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authorTrond Myklebust <Trond.Myklebust@netapp.com>2005-10-18 16:50:52 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2005-10-18 16:50:52 -0400
commitcff6bf970965c98c62007fc8a36527fd147fe233 (patch)
tree2791f2208b54ade86625af416ff5342f11282f0c /fs
parent6cd7525a00f3b926e8bd2e402954ed3e09a8e924 (diff)
parent39ca371c45b04cd50d0974030ae051906fc516b6 (diff)
Merge /home/trondmy/scm/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs')
-rw-r--r--fs/9p/fid.c176
-rw-r--r--fs/9p/fid.h7
-rw-r--r--fs/9p/vfs_dentry.c2
-rw-r--r--fs/9p/vfs_dir.c11
-rw-r--r--fs/9p/vfs_file.c202
-rw-r--r--fs/9p/vfs_inode.c91
-rw-r--r--fs/9p/vfs_super.c19
-rw-r--r--fs/Kconfig3
-rw-r--r--fs/aio.c124
-rw-r--r--fs/bfs/dir.c2
-rw-r--r--fs/bfs/inode.c44
-rw-r--r--fs/binfmt_elf.c2
-rw-r--r--fs/bio.c10
-rw-r--r--fs/buffer.c2
-rw-r--r--fs/cifs/cifsfs.c2
-rw-r--r--fs/cifs/connect.c2
-rw-r--r--fs/eventpoll.c8
-rw-r--r--fs/ext2/ialloc.c25
-rw-r--r--fs/ext3/ialloc.c29
-rw-r--r--fs/fuse/dir.c6
-rw-r--r--fs/fuse/file.c4
-rw-r--r--fs/hostfs/hostfs_kern.c7
-rw-r--r--fs/mpage.c2
-rw-r--r--fs/namei.c6
-rw-r--r--fs/nfs/delegation.c4
-rw-r--r--fs/nfs/file.c3
-rw-r--r--fs/nfs/inode.c9
-rw-r--r--fs/nfs_common/nfsacl.c70
-rw-r--r--fs/ntfs/ChangeLog13
-rw-r--r--fs/ntfs/bitmap.c5
-rw-r--r--fs/ntfs/layout.h8
-rw-r--r--fs/ntfs/lcnalloc.c31
-rw-r--r--fs/ntfs/lcnalloc.h27
-rw-r--r--fs/ntfs/logfile.c30
-rw-r--r--fs/ntfs/logfile.h2
-rw-r--r--fs/ntfs/malloc.h2
-rw-r--r--fs/ntfs/mft.c5
-rw-r--r--fs/ntfs/unistr.c2
-rw-r--r--fs/posix_acl.c6
-rw-r--r--fs/proc/base.c12
-rw-r--r--fs/proc/nommu.c1
-rw-r--r--fs/read_write.c3
-rw-r--r--fs/relayfs/buffers.c2
-rw-r--r--fs/xfs/linux-2.6/kmem.c10
-rw-r--r--fs/xfs/linux-2.6/kmem.h13
45 files changed, 520 insertions, 524 deletions
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 821c9c4d76aa..d95f8626d170 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -71,21 +71,28 @@ static int v9fs_fid_insert(struct v9fs_fid *fid, struct dentry *dentry)
71 * 71 *
72 */ 72 */
73 73
74struct v9fs_fid *v9fs_fid_create(struct dentry *dentry) 74struct v9fs_fid *v9fs_fid_create(struct dentry *dentry,
75 struct v9fs_session_info *v9ses, int fid, int create)
75{ 76{
76 struct v9fs_fid *new; 77 struct v9fs_fid *new;
77 78
79 dprintk(DEBUG_9P, "fid create dentry %p, fid %d, create %d\n",
80 dentry, fid, create);
81
78 new = kmalloc(sizeof(struct v9fs_fid), GFP_KERNEL); 82 new = kmalloc(sizeof(struct v9fs_fid), GFP_KERNEL);
79 if (new == NULL) { 83 if (new == NULL) {
80 dprintk(DEBUG_ERROR, "Out of Memory\n"); 84 dprintk(DEBUG_ERROR, "Out of Memory\n");
81 return ERR_PTR(-ENOMEM); 85 return ERR_PTR(-ENOMEM);
82 } 86 }
83 87
84 new->fid = -1; 88 new->fid = fid;
89 new->v9ses = v9ses;
85 new->fidopen = 0; 90 new->fidopen = 0;
86 new->fidcreate = 0; 91 new->fidcreate = create;
87 new->fidclunked = 0; 92 new->fidclunked = 0;
88 new->iounit = 0; 93 new->iounit = 0;
94 new->rdir_pos = 0;
95 new->rdir_fcall = NULL;
89 96
90 if (v9fs_fid_insert(new, dentry) == 0) 97 if (v9fs_fid_insert(new, dentry) == 0)
91 return new; 98 return new;
@@ -109,6 +116,59 @@ void v9fs_fid_destroy(struct v9fs_fid *fid)
109} 116}
110 117
111/** 118/**
119 * v9fs_fid_walk_up - walks from the process current directory
120 * up to the specified dentry.
121 */
122static struct v9fs_fid *v9fs_fid_walk_up(struct dentry *dentry)
123{
124 int fidnum, cfidnum, err;
125 struct v9fs_fid *cfid;
126 struct dentry *cde;
127 struct v9fs_session_info *v9ses;
128
129 v9ses = v9fs_inode2v9ses(current->fs->pwd->d_inode);
130 cfid = v9fs_fid_lookup(current->fs->pwd);
131 if (cfid == NULL) {
132 dprintk(DEBUG_ERROR, "process cwd doesn't have a fid\n");
133 return ERR_PTR(-ENOENT);
134 }
135
136 cfidnum = cfid->fid;
137 cde = current->fs->pwd;
138 /* TODO: take advantage of multiwalk */
139
140 fidnum = v9fs_get_idpool(&v9ses->fidpool);
141 if (fidnum < 0) {
142 dprintk(DEBUG_ERROR, "could not get a new fid num\n");
143 err = -ENOENT;
144 goto clunk_fid;
145 }
146
147 while (cde != dentry) {
148 if (cde == cde->d_parent) {
149 dprintk(DEBUG_ERROR, "can't find dentry\n");
150 err = -ENOENT;
151 goto clunk_fid;
152 }
153
154 err = v9fs_t_walk(v9ses, cfidnum, fidnum, "..", NULL);
155 if (err < 0) {
156 dprintk(DEBUG_ERROR, "problem walking to parent\n");
157 goto clunk_fid;
158 }
159
160 cfidnum = fidnum;
161 cde = cde->d_parent;
162 }
163
164 return v9fs_fid_create(dentry, v9ses, fidnum, 0);
165
166clunk_fid:
167 v9fs_t_clunk(v9ses, fidnum, NULL);
168 return ERR_PTR(err);
169}
170
171/**
112 * v9fs_fid_lookup - retrieve the right fid from a particular dentry 172 * v9fs_fid_lookup - retrieve the right fid from a particular dentry
113 * @dentry: dentry to look for fid in 173 * @dentry: dentry to look for fid in
114 * @type: intent of lookup (operation or traversal) 174 * @type: intent of lookup (operation or traversal)
@@ -119,49 +179,25 @@ void v9fs_fid_destroy(struct v9fs_fid *fid)
119 * 179 *
120 */ 180 */
121 181
122struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry, int type) 182struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry)
123{ 183{
124 struct list_head *fid_list = (struct list_head *)dentry->d_fsdata; 184 struct list_head *fid_list = (struct list_head *)dentry->d_fsdata;
125 struct v9fs_fid *current_fid = NULL; 185 struct v9fs_fid *current_fid = NULL;
126 struct v9fs_fid *temp = NULL; 186 struct v9fs_fid *temp = NULL;
127 struct v9fs_fid *return_fid = NULL; 187 struct v9fs_fid *return_fid = NULL;
128 int found_parent = 0;
129 int found_user = 0;
130 188
131 dprintk(DEBUG_9P, " dentry: %s (%p) type %d\n", dentry->d_iname, dentry, 189 dprintk(DEBUG_9P, " dentry: %s (%p)\n", dentry->d_iname, dentry);
132 type);
133 190
134 if (fid_list && !list_empty(fid_list)) { 191 if (fid_list) {
135 list_for_each_entry_safe(current_fid, temp, fid_list, list) { 192 list_for_each_entry_safe(current_fid, temp, fid_list, list) {
136 if (current_fid->uid == current->uid) { 193 if (!current_fid->fidcreate) {
137 if (return_fid == NULL) { 194 return_fid = current_fid;
138 if ((type == FID_OP) 195 break;
139 || (!current_fid->fidopen)) {
140 return_fid = current_fid;
141 found_user = 1;
142 }
143 }
144 }
145 if (current_fid->pid == current->real_parent->pid) {
146 if ((return_fid == NULL) || (found_parent)
147 || (found_user)) {
148 if ((type == FID_OP)
149 || (!current_fid->fidopen)) {
150 return_fid = current_fid;
151 found_parent = 1;
152 found_user = 0;
153 }
154 }
155 }
156 if (current_fid->pid == current->pid) {
157 if ((type == FID_OP) ||
158 (!current_fid->fidopen)) {
159 return_fid = current_fid;
160 found_parent = 0;
161 found_user = 0;
162 }
163 } 196 }
164 } 197 }
198
199 if (!return_fid)
200 return_fid = current_fid;
165 } 201 }
166 202
167 /* we are at the root but didn't match */ 203 /* we are at the root but didn't match */
@@ -187,55 +223,33 @@ struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry, int type)
187 223
188/* XXX - there may be some duplication we can get rid of */ 224/* XXX - there may be some duplication we can get rid of */
189 if (par == dentry) { 225 if (par == dentry) {
190 /* we need to fid_lookup the starting point */ 226 return_fid = v9fs_fid_walk_up(dentry);
191 int fidnum = -1; 227 if (IS_ERR(return_fid))
192 int oldfid = -1; 228 return_fid = NULL;
193 int result = -1; 229 }
194 struct v9fs_session_info *v9ses = 230 }
195 v9fs_inode2v9ses(current->fs->pwd->d_inode);
196
197 current_fid =
198 v9fs_fid_lookup(current->fs->pwd, FID_WALK);
199 if (current_fid == NULL) {
200 dprintk(DEBUG_ERROR,
201 "process cwd doesn't have a fid\n");
202 return return_fid;
203 }
204 oldfid = current_fid->fid;
205 par = current->fs->pwd;
206 /* TODO: take advantage of multiwalk */
207 231
208 fidnum = v9fs_get_idpool(&v9ses->fidpool); 232 return return_fid;
209 if (fidnum < 0) { 233}
210 dprintk(DEBUG_ERROR,
211 "could not get a new fid num\n");
212 return return_fid;
213 }
214 234
215 while (par != dentry) { 235struct v9fs_fid *v9fs_fid_get_created(struct dentry *dentry)
216 result = 236{
217 v9fs_t_walk(v9ses, oldfid, fidnum, "..", 237 struct list_head *fid_list;
218 NULL); 238 struct v9fs_fid *fid, *ftmp, *ret;
219 if (result < 0) { 239
220 dprintk(DEBUG_ERROR, 240 dprintk(DEBUG_9P, " dentry: %s (%p)\n", dentry->d_iname, dentry);
221 "problem walking to parent\n"); 241 fid_list = (struct list_head *)dentry->d_fsdata;
222 242 ret = NULL;
223 break; 243 if (fid_list) {
224 } 244 list_for_each_entry_safe(fid, ftmp, fid_list, list) {
225 oldfid = fidnum; 245 if (fid->fidcreate && fid->pid == current->pid) {
226 if (par == par->d_parent) { 246 list_del(&fid->list);
227 dprintk(DEBUG_ERROR, 247 ret = fid;
228 "can't find dentry\n"); 248 break;
229 break;
230 }
231 par = par->d_parent;
232 }
233 if (par == dentry) {
234 return_fid = v9fs_fid_create(dentry);
235 return_fid->fid = fidnum;
236 } 249 }
237 } 250 }
238 } 251 }
239 252
240 return return_fid; 253 dprintk(DEBUG_9P, "return %p\n", ret);
254 return ret;
241} 255}
diff --git a/fs/9p/fid.h b/fs/9p/fid.h
index 7db478ccca36..84c673a44c83 100644
--- a/fs/9p/fid.h
+++ b/fs/9p/fid.h
@@ -25,6 +25,7 @@
25 25
26#define FID_OP 0 26#define FID_OP 0
27#define FID_WALK 1 27#define FID_WALK 1
28#define FID_CREATE 2
28 29
29struct v9fs_fid { 30struct v9fs_fid {
30 struct list_head list; /* list of fids associated with a dentry */ 31 struct list_head list; /* list of fids associated with a dentry */
@@ -52,6 +53,8 @@ struct v9fs_fid {
52 struct v9fs_session_info *v9ses; /* session info for this FID */ 53 struct v9fs_session_info *v9ses; /* session info for this FID */
53}; 54};
54 55
55struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry, int type); 56struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry);
57struct v9fs_fid *v9fs_fid_get_created(struct dentry *);
56void v9fs_fid_destroy(struct v9fs_fid *fid); 58void v9fs_fid_destroy(struct v9fs_fid *fid);
57struct v9fs_fid *v9fs_fid_create(struct dentry *); 59struct v9fs_fid *v9fs_fid_create(struct dentry *,
60 struct v9fs_session_info *v9ses, int fid, int create);
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
index 306c96741f81..a6aa947de0f9 100644
--- a/fs/9p/vfs_dentry.c
+++ b/fs/9p/vfs_dentry.c
@@ -67,7 +67,7 @@ static int v9fs_dentry_validate(struct dentry *dentry, struct nameidata *nd)
67 struct dentry *dc = current->fs->pwd; 67 struct dentry *dc = current->fs->pwd;
68 68
69 dprintk(DEBUG_VFS, "dentry: %s (%p)\n", dentry->d_iname, dentry); 69 dprintk(DEBUG_VFS, "dentry: %s (%p)\n", dentry->d_iname, dentry);
70 if (v9fs_fid_lookup(dentry, FID_OP)) { 70 if (v9fs_fid_lookup(dentry)) {
71 dprintk(DEBUG_VFS, "VALID\n"); 71 dprintk(DEBUG_VFS, "VALID\n");
72 return 1; 72 return 1;
73 } 73 }
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index c478a7384186..57a43b8feef5 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -197,21 +197,18 @@ int v9fs_dir_release(struct inode *inode, struct file *filp)
197 filemap_fdatawait(inode->i_mapping); 197 filemap_fdatawait(inode->i_mapping);
198 198
199 if (fidnum >= 0) { 199 if (fidnum >= 0) {
200 fid->fidopen--;
201 dprintk(DEBUG_VFS, "fidopen: %d v9f->fid: %d\n", fid->fidopen, 200 dprintk(DEBUG_VFS, "fidopen: %d v9f->fid: %d\n", fid->fidopen,
202 fid->fid); 201 fid->fid);
203 202
204 if (fid->fidopen == 0) { 203 if (v9fs_t_clunk(v9ses, fidnum, NULL))
205 if (v9fs_t_clunk(v9ses, fidnum, NULL)) 204 dprintk(DEBUG_ERROR, "clunk failed\n");
206 dprintk(DEBUG_ERROR, "clunk failed\n");
207 205
208 v9fs_put_idpool(fid->fid, &v9ses->fidpool); 206 v9fs_put_idpool(fid->fid, &v9ses->fidpool);
209 }
210 207
211 kfree(fid->rdir_fcall); 208 kfree(fid->rdir_fcall);
209 kfree(fid);
212 210
213 filp->private_data = NULL; 211 filp->private_data = NULL;
214 v9fs_fid_destroy(fid);
215 } 212 }
216 213
217 d_drop(filp->f_dentry); 214 d_drop(filp->f_dentry);
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 1f8ae7d580ab..bbc3cc63854f 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -53,30 +53,36 @@
53int v9fs_file_open(struct inode *inode, struct file *file) 53int v9fs_file_open(struct inode *inode, struct file *file)
54{ 54{
55 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode); 55 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
56 struct v9fs_fid *v9fid = v9fs_fid_lookup(file->f_dentry, FID_WALK); 56 struct v9fs_fid *v9fid, *fid;
57 struct v9fs_fid *v9newfid = NULL;
58 struct v9fs_fcall *fcall = NULL; 57 struct v9fs_fcall *fcall = NULL;
59 int open_mode = 0; 58 int open_mode = 0;
60 unsigned int iounit = 0; 59 unsigned int iounit = 0;
61 int newfid = -1; 60 int newfid = -1;
62 long result = -1; 61 long result = -1;
63 62
64 dprintk(DEBUG_VFS, "inode: %p file: %p v9fid= %p\n", inode, file, 63 dprintk(DEBUG_VFS, "inode: %p file: %p \n", inode, file);
65 v9fid); 64
65 v9fid = v9fs_fid_get_created(file->f_dentry);
66 if (!v9fid)
67 v9fid = v9fs_fid_lookup(file->f_dentry);
66 68
67 if (!v9fid) { 69 if (!v9fid) {
68 struct dentry *dentry = file->f_dentry;
69 dprintk(DEBUG_ERROR, "Couldn't resolve fid from dentry\n"); 70 dprintk(DEBUG_ERROR, "Couldn't resolve fid from dentry\n");
71 return -EBADF;
72 }
70 73
71 /* XXX - some duplication from lookup, generalize later */ 74 if (!v9fid->fidcreate) {
72 /* basically vfs_lookup is too heavy weight */ 75 fid = kmalloc(sizeof(struct v9fs_fid), GFP_KERNEL);
73 v9fid = v9fs_fid_lookup(file->f_dentry, FID_OP); 76 if (fid == NULL) {
74 if (!v9fid) 77 dprintk(DEBUG_ERROR, "Out of Memory\n");
75 return -EBADF; 78 return -ENOMEM;
79 }
76 80
77 v9fid = v9fs_fid_lookup(dentry->d_parent, FID_WALK); 81 fid->fidopen = 0;
78 if (!v9fid) 82 fid->fidcreate = 0;
79 return -EBADF; 83 fid->fidclunked = 0;
84 fid->iounit = 0;
85 fid->v9ses = v9ses;
80 86
81 newfid = v9fs_get_idpool(&v9ses->fidpool); 87 newfid = v9fs_get_idpool(&v9ses->fidpool);
82 if (newfid < 0) { 88 if (newfid < 0) {
@@ -85,58 +91,16 @@ int v9fs_file_open(struct inode *inode, struct file *file)
85 } 91 }
86 92
87 result = 93 result =
88 v9fs_t_walk(v9ses, v9fid->fid, newfid, 94 v9fs_t_walk(v9ses, v9fid->fid, newfid, NULL, NULL);
89 (char *)file->f_dentry->d_name.name, NULL); 95
90 if (result < 0) { 96 if (result < 0) {
91 v9fs_put_idpool(newfid, &v9ses->fidpool); 97 v9fs_put_idpool(newfid, &v9ses->fidpool);
92 dprintk(DEBUG_ERROR, "rewalk didn't work\n"); 98 dprintk(DEBUG_ERROR, "rewalk didn't work\n");
93 return -EBADF; 99 return -EBADF;
94 } 100 }
95 101
96 v9fid = v9fs_fid_create(dentry); 102 fid->fid = newfid;
97 if (v9fid == NULL) { 103 v9fid = fid;
98 dprintk(DEBUG_ERROR, "couldn't insert\n");
99 return -ENOMEM;
100 }
101 v9fid->fid = newfid;
102 }
103
104 if (v9fid->fidcreate) {
105 /* create case */
106 newfid = v9fid->fid;
107 iounit = v9fid->iounit;
108 v9fid->fidcreate = 0;
109 } else {
110 if (!S_ISDIR(inode->i_mode))
111 newfid = v9fid->fid;
112 else {
113 newfid = v9fs_get_idpool(&v9ses->fidpool);
114 if (newfid < 0) {
115 eprintk(KERN_WARNING, "allocation failed\n");
116 return -ENOSPC;
117 }
118 /* This would be a somewhat critical clone */
119 result =
120 v9fs_t_walk(v9ses, v9fid->fid, newfid, NULL,
121 &fcall);
122 if (result < 0) {
123 dprintk(DEBUG_ERROR, "clone error: %s\n",
124 FCALL_ERROR(fcall));
125 kfree(fcall);
126 return result;
127 }
128
129 v9newfid = v9fs_fid_create(file->f_dentry);
130 v9newfid->fid = newfid;
131 v9newfid->qid = v9fid->qid;
132 v9newfid->iounit = v9fid->iounit;
133 v9newfid->fidopen = 0;
134 v9newfid->fidclunked = 0;
135 v9newfid->v9ses = v9ses;
136 v9fid = v9newfid;
137 kfree(fcall);
138 }
139
140 /* TODO: do special things for O_EXCL, O_NOFOLLOW, O_SYNC */ 104 /* TODO: do special things for O_EXCL, O_NOFOLLOW, O_SYNC */
141 /* translate open mode appropriately */ 105 /* translate open mode appropriately */
142 open_mode = file->f_flags & 0x3; 106 open_mode = file->f_flags & 0x3;
@@ -163,9 +127,13 @@ int v9fs_file_open(struct inode *inode, struct file *file)
163 127
164 iounit = fcall->params.ropen.iounit; 128 iounit = fcall->params.ropen.iounit;
165 kfree(fcall); 129 kfree(fcall);
130 } else {
131 /* create case */
132 newfid = v9fid->fid;
133 iounit = v9fid->iounit;
134 v9fid->fidcreate = 0;
166 } 135 }
167 136
168
169 file->private_data = v9fid; 137 file->private_data = v9fid;
170 138
171 v9fid->rdir_pos = 0; 139 v9fid->rdir_pos = 0;
@@ -207,16 +175,16 @@ static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
207} 175}
208 176
209/** 177/**
210 * v9fs_read - read from a file (internal) 178 * v9fs_file_read - read from a file
211 * @filep: file pointer to read 179 * @filep: file pointer to read
212 * @data: data buffer to read data into 180 * @data: data buffer to read data into
213 * @count: size of buffer 181 * @count: size of buffer
214 * @offset: offset at which to read data 182 * @offset: offset at which to read data
215 * 183 *
216 */ 184 */
217
218static ssize_t 185static ssize_t
219v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset) 186v9fs_file_read(struct file *filp, char __user * data, size_t count,
187 loff_t * offset)
220{ 188{
221 struct inode *inode = filp->f_dentry->d_inode; 189 struct inode *inode = filp->f_dentry->d_inode;
222 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode); 190 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
@@ -226,6 +194,7 @@ v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
226 int rsize = 0; 194 int rsize = 0;
227 int result = 0; 195 int result = 0;
228 int total = 0; 196 int total = 0;
197 int n;
229 198
230 dprintk(DEBUG_VFS, "\n"); 199 dprintk(DEBUG_VFS, "\n");
231 200
@@ -248,10 +217,15 @@ v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
248 } else 217 } else
249 *offset += result; 218 *offset += result;
250 219
251 /* XXX - extra copy */ 220 n = copy_to_user(data, fcall->params.rread.data, result);
252 memcpy(buffer, fcall->params.rread.data, result); 221 if (n) {
222 dprintk(DEBUG_ERROR, "Problem copying to user %d\n", n);
223 kfree(fcall);
224 return -EFAULT;
225 }
226
253 count -= result; 227 count -= result;
254 buffer += result; 228 data += result;
255 total += result; 229 total += result;
256 230
257 kfree(fcall); 231 kfree(fcall);
@@ -264,42 +238,7 @@ v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
264} 238}
265 239
266/** 240/**
267 * v9fs_file_read - read from a file 241 * v9fs_file_write - write to a file
268 * @filep: file pointer to read
269 * @data: data buffer to read data into
270 * @count: size of buffer
271 * @offset: offset at which to read data
272 *
273 */
274
275static ssize_t
276v9fs_file_read(struct file *filp, char __user * data, size_t count,
277 loff_t * offset)
278{
279 int retval = -1;
280 int ret = 0;
281 char *buffer;
282
283 buffer = kmalloc(count, GFP_KERNEL);
284 if (!buffer)
285 return -ENOMEM;
286
287 retval = v9fs_read(filp, buffer, count, offset);
288 if (retval > 0) {
289 if ((ret = copy_to_user(data, buffer, retval)) != 0) {
290 dprintk(DEBUG_ERROR, "Problem copying to user %d\n",
291 ret);
292 retval = ret;
293 }
294 }
295
296 kfree(buffer);
297
298 return retval;
299}
300
301/**
302 * v9fs_write - write to a file
303 * @filep: file pointer to write 242 * @filep: file pointer to write
304 * @data: data buffer to write data from 243 * @data: data buffer to write data from
305 * @count: size of buffer 244 * @count: size of buffer
@@ -308,7 +247,8 @@ v9fs_file_read(struct file *filp, char __user * data, size_t count,
308 */ 247 */
309 248
310static ssize_t 249static ssize_t
311v9fs_write(struct file *filp, char *buffer, size_t count, loff_t * offset) 250v9fs_file_write(struct file *filp, const char __user * data,
251 size_t count, loff_t * offset)
312{ 252{
313 struct inode *inode = filp->f_dentry->d_inode; 253 struct inode *inode = filp->f_dentry->d_inode;
314 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode); 254 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
@@ -318,30 +258,42 @@ v9fs_write(struct file *filp, char *buffer, size_t count, loff_t * offset)
318 int result = -EIO; 258 int result = -EIO;
319 int rsize = 0; 259 int rsize = 0;
320 int total = 0; 260 int total = 0;
261 char *buf;
321 262
322 dprintk(DEBUG_VFS, "data %p count %d offset %x\n", buffer, (int)count, 263 dprintk(DEBUG_VFS, "data %p count %d offset %x\n", data, (int)count,
323 (int)*offset); 264 (int)*offset);
324 rsize = v9ses->maxdata - V9FS_IOHDRSZ; 265 rsize = v9ses->maxdata - V9FS_IOHDRSZ;
325 if (v9fid->iounit != 0 && rsize > v9fid->iounit) 266 if (v9fid->iounit != 0 && rsize > v9fid->iounit)
326 rsize = v9fid->iounit; 267 rsize = v9fid->iounit;
327 268
328 dump_data(buffer, count); 269 buf = kmalloc(v9ses->maxdata - V9FS_IOHDRSZ, GFP_KERNEL);
270 if (!buf)
271 return -ENOMEM;
329 272
330 do { 273 do {
331 if (count < rsize) 274 if (count < rsize)
332 rsize = count; 275 rsize = count;
333 276
334 result = 277 result = copy_from_user(buf, data, rsize);
335 v9fs_t_write(v9ses, fid, *offset, rsize, buffer, &fcall); 278 if (result) {
279 dprintk(DEBUG_ERROR, "Problem copying from user\n");
280 kfree(buf);
281 return -EFAULT;
282 }
283
284 dump_data(buf, rsize);
285 result = v9fs_t_write(v9ses, fid, *offset, rsize, buf, &fcall);
336 if (result < 0) { 286 if (result < 0) {
337 eprintk(KERN_ERR, "error while writing: %s(%d)\n", 287 eprintk(KERN_ERR, "error while writing: %s(%d)\n",
338 FCALL_ERROR(fcall), result); 288 FCALL_ERROR(fcall), result);
339 kfree(fcall); 289 kfree(fcall);
290 kfree(buf);
340 return result; 291 return result;
341 } else 292 } else
342 *offset += result; 293 *offset += result;
343 294
344 kfree(fcall); 295 kfree(fcall);
296 fcall = NULL;
345 297
346 if (result != rsize) { 298 if (result != rsize) {
347 eprintk(KERN_ERR, 299 eprintk(KERN_ERR,
@@ -351,46 +303,14 @@ v9fs_write(struct file *filp, char *buffer, size_t count, loff_t * offset)
351 } 303 }
352 304
353 count -= result; 305 count -= result;
354 buffer += result; 306 data += result;
355 total += result; 307 total += result;
356 } while (count); 308 } while (count);
357 309
310 kfree(buf);
358 return total; 311 return total;
359} 312}
360 313
361/**
362 * v9fs_file_write - write to a file
363 * @filep: file pointer to write
364 * @data: data buffer to write data from
365 * @count: size of buffer
366 * @offset: offset at which to write data
367 *
368 */
369
370static ssize_t
371v9fs_file_write(struct file *filp, const char __user * data,
372 size_t count, loff_t * offset)
373{
374 int ret = -1;
375 char *buffer;
376
377 buffer = kmalloc(count, GFP_KERNEL);
378 if (buffer == NULL)
379 return -ENOMEM;
380
381 ret = copy_from_user(buffer, data, count);
382 if (ret) {
383 dprintk(DEBUG_ERROR, "Problem copying from user\n");
384 ret = -EFAULT;
385 } else {
386 ret = v9fs_write(filp, buffer, count, offset);
387 }
388
389 kfree(buffer);
390
391 return ret;
392}
393
394struct file_operations v9fs_file_operations = { 314struct file_operations v9fs_file_operations = {
395 .llseek = generic_file_llseek, 315 .llseek = generic_file_llseek,
396 .read = v9fs_file_read, 316 .read = v9fs_file_read,
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index b16322db5ce6..2b696ae6655a 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -307,7 +307,7 @@ v9fs_create(struct inode *dir,
307 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir); 307 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir);
308 struct super_block *sb = dir->i_sb; 308 struct super_block *sb = dir->i_sb;
309 struct v9fs_fid *dirfid = 309 struct v9fs_fid *dirfid =
310 v9fs_fid_lookup(file_dentry->d_parent, FID_WALK); 310 v9fs_fid_lookup(file_dentry->d_parent);
311 struct v9fs_fid *fid = NULL; 311 struct v9fs_fid *fid = NULL;
312 struct inode *file_inode = NULL; 312 struct inode *file_inode = NULL;
313 struct v9fs_fcall *fcall = NULL; 313 struct v9fs_fcall *fcall = NULL;
@@ -317,6 +317,7 @@ v9fs_create(struct inode *dir,
317 long newfid = -1; 317 long newfid = -1;
318 int result = 0; 318 int result = 0;
319 unsigned int iounit = 0; 319 unsigned int iounit = 0;
320 int wfidno = -1;
320 321
321 perm = unixmode2p9mode(v9ses, perm); 322 perm = unixmode2p9mode(v9ses, perm);
322 323
@@ -350,7 +351,7 @@ v9fs_create(struct inode *dir,
350 if (result < 0) { 351 if (result < 0) {
351 dprintk(DEBUG_ERROR, "clone error: %s\n", FCALL_ERROR(fcall)); 352 dprintk(DEBUG_ERROR, "clone error: %s\n", FCALL_ERROR(fcall));
352 v9fs_put_idpool(newfid, &v9ses->fidpool); 353 v9fs_put_idpool(newfid, &v9ses->fidpool);
353 newfid = 0; 354 newfid = -1;
354 goto CleanUpFid; 355 goto CleanUpFid;
355 } 356 }
356 357
@@ -369,20 +370,39 @@ v9fs_create(struct inode *dir,
369 qid = fcall->params.rcreate.qid; 370 qid = fcall->params.rcreate.qid;
370 kfree(fcall); 371 kfree(fcall);
371 372
372 fid = v9fs_fid_create(file_dentry); 373 fid = v9fs_fid_create(file_dentry, v9ses, newfid, 1);
374 dprintk(DEBUG_VFS, "fid %p %d\n", fid, fid->fidcreate);
373 if (!fid) { 375 if (!fid) {
374 result = -ENOMEM; 376 result = -ENOMEM;
375 goto CleanUpFid; 377 goto CleanUpFid;
376 } 378 }
377 379
378 fid->fid = newfid;
379 fid->fidopen = 0;
380 fid->fidcreate = 1;
381 fid->qid = qid; 380 fid->qid = qid;
382 fid->iounit = iounit; 381 fid->iounit = iounit;
383 fid->rdir_pos = 0; 382
384 fid->rdir_fcall = NULL; 383 /* walk to the newly created file and put the fid in the dentry */
385 fid->v9ses = v9ses; 384 wfidno = v9fs_get_idpool(&v9ses->fidpool);
385 if (newfid < 0) {
386 eprintk(KERN_WARNING, "no free fids available\n");
387 return -ENOSPC;
388 }
389
390 result = v9fs_t_walk(v9ses, dirfidnum, wfidno,
391 (char *) file_dentry->d_name.name, NULL);
392 if (result < 0) {
393 dprintk(DEBUG_ERROR, "clone error: %s\n", FCALL_ERROR(fcall));
394 v9fs_put_idpool(wfidno, &v9ses->fidpool);
395 wfidno = -1;
396 goto CleanUpFid;
397 }
398
399 if (!v9fs_fid_create(file_dentry, v9ses, wfidno, 0)) {
400 if (!v9fs_t_clunk(v9ses, newfid, &fcall)) {
401 v9fs_put_idpool(wfidno, &v9ses->fidpool);
402 }
403
404 goto CleanUpFid;
405 }
386 406
387 if ((perm & V9FS_DMSYMLINK) || (perm & V9FS_DMLINK) || 407 if ((perm & V9FS_DMSYMLINK) || (perm & V9FS_DMLINK) ||
388 (perm & V9FS_DMNAMEDPIPE) || (perm & V9FS_DMSOCKET) || 408 (perm & V9FS_DMNAMEDPIPE) || (perm & V9FS_DMSOCKET) ||
@@ -410,11 +430,11 @@ v9fs_create(struct inode *dir,
410 d_instantiate(file_dentry, file_inode); 430 d_instantiate(file_dentry, file_inode);
411 431
412 if (perm & V9FS_DMDIR) { 432 if (perm & V9FS_DMDIR) {
413 if (v9fs_t_clunk(v9ses, newfid, &fcall)) 433 if (!v9fs_t_clunk(v9ses, newfid, &fcall))
434 v9fs_put_idpool(newfid, &v9ses->fidpool);
435 else
414 dprintk(DEBUG_ERROR, "clunk for mkdir failed: %s\n", 436 dprintk(DEBUG_ERROR, "clunk for mkdir failed: %s\n",
415 FCALL_ERROR(fcall)); 437 FCALL_ERROR(fcall));
416
417 v9fs_put_idpool(newfid, &v9ses->fidpool);
418 kfree(fcall); 438 kfree(fcall);
419 fid->fidopen = 0; 439 fid->fidopen = 0;
420 fid->fidcreate = 0; 440 fid->fidcreate = 0;
@@ -426,12 +446,22 @@ v9fs_create(struct inode *dir,
426 CleanUpFid: 446 CleanUpFid:
427 kfree(fcall); 447 kfree(fcall);
428 448
429 if (newfid) { 449 if (newfid >= 0) {
430 if (v9fs_t_clunk(v9ses, newfid, &fcall)) 450 if (!v9fs_t_clunk(v9ses, newfid, &fcall))
451 v9fs_put_idpool(newfid, &v9ses->fidpool);
452 else
453 dprintk(DEBUG_ERROR, "clunk failed: %s\n",
454 FCALL_ERROR(fcall));
455
456 kfree(fcall);
457 }
458 if (wfidno >= 0) {
459 if (!v9fs_t_clunk(v9ses, wfidno, &fcall))
460 v9fs_put_idpool(wfidno, &v9ses->fidpool);
461 else
431 dprintk(DEBUG_ERROR, "clunk failed: %s\n", 462 dprintk(DEBUG_ERROR, "clunk failed: %s\n",
432 FCALL_ERROR(fcall)); 463 FCALL_ERROR(fcall));
433 464
434 v9fs_put_idpool(newfid, &v9ses->fidpool);
435 kfree(fcall); 465 kfree(fcall);
436 } 466 }
437 return result; 467 return result;
@@ -461,7 +491,7 @@ static int v9fs_remove(struct inode *dir, struct dentry *file, int rmdir)
461 file_inode = file->d_inode; 491 file_inode = file->d_inode;
462 sb = file_inode->i_sb; 492 sb = file_inode->i_sb;
463 v9ses = v9fs_inode2v9ses(file_inode); 493 v9ses = v9fs_inode2v9ses(file_inode);
464 v9fid = v9fs_fid_lookup(file, FID_OP); 494 v9fid = v9fs_fid_lookup(file);
465 495
466 if (!v9fid) { 496 if (!v9fid) {
467 dprintk(DEBUG_ERROR, 497 dprintk(DEBUG_ERROR,
@@ -545,7 +575,7 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
545 575
546 sb = dir->i_sb; 576 sb = dir->i_sb;
547 v9ses = v9fs_inode2v9ses(dir); 577 v9ses = v9fs_inode2v9ses(dir);
548 dirfid = v9fs_fid_lookup(dentry->d_parent, FID_WALK); 578 dirfid = v9fs_fid_lookup(dentry->d_parent);
549 579
550 if (!dirfid) { 580 if (!dirfid) {
551 dprintk(DEBUG_ERROR, "no dirfid\n"); 581 dprintk(DEBUG_ERROR, "no dirfid\n");
@@ -573,7 +603,7 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
573 v9fs_put_idpool(newfid, &v9ses->fidpool); 603 v9fs_put_idpool(newfid, &v9ses->fidpool);
574 if (result == -ENOENT) { 604 if (result == -ENOENT) {
575 d_add(dentry, NULL); 605 d_add(dentry, NULL);
576 dprintk(DEBUG_ERROR, 606 dprintk(DEBUG_VFS,
577 "Return negative dentry %p count %d\n", 607 "Return negative dentry %p count %d\n",
578 dentry, atomic_read(&dentry->d_count)); 608 dentry, atomic_read(&dentry->d_count));
579 return NULL; 609 return NULL;
@@ -601,16 +631,13 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
601 631
602 inode->i_ino = v9fs_qid2ino(&fcall->params.rstat.stat->qid); 632 inode->i_ino = v9fs_qid2ino(&fcall->params.rstat.stat->qid);
603 633
604 fid = v9fs_fid_create(dentry); 634 fid = v9fs_fid_create(dentry, v9ses, newfid, 0);
605 if (fid == NULL) { 635 if (fid == NULL) {
606 dprintk(DEBUG_ERROR, "couldn't insert\n"); 636 dprintk(DEBUG_ERROR, "couldn't insert\n");
607 result = -ENOMEM; 637 result = -ENOMEM;
608 goto FreeFcall; 638 goto FreeFcall;
609 } 639 }
610 640
611 fid->fid = newfid;
612 fid->fidopen = 0;
613 fid->v9ses = v9ses;
614 fid->qid = fcall->params.rstat.stat->qid; 641 fid->qid = fcall->params.rstat.stat->qid;
615 642
616 dentry->d_op = &v9fs_dentry_operations; 643 dentry->d_op = &v9fs_dentry_operations;
@@ -665,11 +692,11 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
665{ 692{
666 struct inode *old_inode = old_dentry->d_inode; 693 struct inode *old_inode = old_dentry->d_inode;
667 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(old_inode); 694 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(old_inode);
668 struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry, FID_WALK); 695 struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry);
669 struct v9fs_fid *olddirfid = 696 struct v9fs_fid *olddirfid =
670 v9fs_fid_lookup(old_dentry->d_parent, FID_WALK); 697 v9fs_fid_lookup(old_dentry->d_parent);
671 struct v9fs_fid *newdirfid = 698 struct v9fs_fid *newdirfid =
672 v9fs_fid_lookup(new_dentry->d_parent, FID_WALK); 699 v9fs_fid_lookup(new_dentry->d_parent);
673 struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL); 700 struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL);
674 struct v9fs_fcall *fcall = NULL; 701 struct v9fs_fcall *fcall = NULL;
675 int fid = -1; 702 int fid = -1;
@@ -744,7 +771,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
744{ 771{
745 struct v9fs_fcall *fcall = NULL; 772 struct v9fs_fcall *fcall = NULL;
746 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode); 773 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode);
747 struct v9fs_fid *fid = v9fs_fid_lookup(dentry, FID_OP); 774 struct v9fs_fid *fid = v9fs_fid_lookup(dentry);
748 int err = -EPERM; 775 int err = -EPERM;
749 776
750 dprintk(DEBUG_VFS, "dentry: %p\n", dentry); 777 dprintk(DEBUG_VFS, "dentry: %p\n", dentry);
@@ -778,7 +805,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
778static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr) 805static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
779{ 806{
780 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode); 807 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode);
781 struct v9fs_fid *fid = v9fs_fid_lookup(dentry, FID_OP); 808 struct v9fs_fid *fid = v9fs_fid_lookup(dentry);
782 struct v9fs_fcall *fcall = NULL; 809 struct v9fs_fcall *fcall = NULL;
783 struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL); 810 struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL);
784 int res = -EPERM; 811 int res = -EPERM;
@@ -960,7 +987,7 @@ v9fs_vfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
960 if (retval != 0) 987 if (retval != 0)
961 goto FreeFcall; 988 goto FreeFcall;
962 989
963 newfid = v9fs_fid_lookup(dentry, FID_OP); 990 newfid = v9fs_fid_lookup(dentry);
964 991
965 /* issue a twstat */ 992 /* issue a twstat */
966 v9fs_blank_mistat(v9ses, mistat); 993 v9fs_blank_mistat(v9ses, mistat);
@@ -1004,7 +1031,7 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen)
1004 1031
1005 struct v9fs_fcall *fcall = NULL; 1032 struct v9fs_fcall *fcall = NULL;
1006 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode); 1033 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode);
1007 struct v9fs_fid *fid = v9fs_fid_lookup(dentry, FID_OP); 1034 struct v9fs_fid *fid = v9fs_fid_lookup(dentry);
1008 1035
1009 if (!fid) { 1036 if (!fid) {
1010 dprintk(DEBUG_ERROR, "could not resolve fid from dentry\n"); 1037 dprintk(DEBUG_ERROR, "could not resolve fid from dentry\n");
@@ -1148,7 +1175,7 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
1148 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir); 1175 struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir);
1149 struct v9fs_fcall *fcall = NULL; 1176 struct v9fs_fcall *fcall = NULL;
1150 struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL); 1177 struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL);
1151 struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry, FID_OP); 1178 struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry);
1152 struct v9fs_fid *newfid = NULL; 1179 struct v9fs_fid *newfid = NULL;
1153 char *symname = __getname(); 1180 char *symname = __getname();
1154 1181
@@ -1168,7 +1195,7 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
1168 if (retval != 0) 1195 if (retval != 0)
1169 goto FreeMem; 1196 goto FreeMem;
1170 1197
1171 newfid = v9fs_fid_lookup(dentry, FID_OP); 1198 newfid = v9fs_fid_lookup(dentry);
1172 if (!newfid) { 1199 if (!newfid) {
1173 dprintk(DEBUG_ERROR, "couldn't resolve fid from dentry\n"); 1200 dprintk(DEBUG_ERROR, "couldn't resolve fid from dentry\n");
1174 goto FreeMem; 1201 goto FreeMem;
@@ -1246,7 +1273,7 @@ v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
1246 if (retval != 0) 1273 if (retval != 0)
1247 goto FreeMem; 1274 goto FreeMem;
1248 1275
1249 newfid = v9fs_fid_lookup(dentry, FID_OP); 1276 newfid = v9fs_fid_lookup(dentry);
1250 if (!newfid) { 1277 if (!newfid) {
1251 dprintk(DEBUG_ERROR, "coudn't resove fid from dentry\n"); 1278 dprintk(DEBUG_ERROR, "coudn't resove fid from dentry\n");
1252 retval = -EINVAL; 1279 retval = -EINVAL;
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 1e2b2b54d300..82c5b0084079 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -129,7 +129,6 @@ static struct super_block *v9fs_get_sb(struct file_system_type
129 129
130 if ((newfid = v9fs_session_init(v9ses, dev_name, data)) < 0) { 130 if ((newfid = v9fs_session_init(v9ses, dev_name, data)) < 0) {
131 dprintk(DEBUG_ERROR, "problem initiating session\n"); 131 dprintk(DEBUG_ERROR, "problem initiating session\n");
132 kfree(v9ses);
133 return ERR_PTR(newfid); 132 return ERR_PTR(newfid);
134 } 133 }
135 134
@@ -155,23 +154,19 @@ static struct super_block *v9fs_get_sb(struct file_system_type
155 154
156 sb->s_root = root; 155 sb->s_root = root;
157 156
158 /* Setup the Root Inode */
159 root_fid = v9fs_fid_create(root);
160 if (root_fid == NULL) {
161 retval = -ENOMEM;
162 goto put_back_sb;
163 }
164
165 root_fid->fidopen = 0;
166 root_fid->v9ses = v9ses;
167
168 stat_result = v9fs_t_stat(v9ses, newfid, &fcall); 157 stat_result = v9fs_t_stat(v9ses, newfid, &fcall);
169 if (stat_result < 0) { 158 if (stat_result < 0) {
170 dprintk(DEBUG_ERROR, "stat error\n"); 159 dprintk(DEBUG_ERROR, "stat error\n");
171 v9fs_t_clunk(v9ses, newfid, NULL); 160 v9fs_t_clunk(v9ses, newfid, NULL);
172 v9fs_put_idpool(newfid, &v9ses->fidpool); 161 v9fs_put_idpool(newfid, &v9ses->fidpool);
173 } else { 162 } else {
174 root_fid->fid = newfid; 163 /* Setup the Root Inode */
164 root_fid = v9fs_fid_create(root, v9ses, newfid, 0);
165 if (root_fid == NULL) {
166 retval = -ENOMEM;
167 goto put_back_sb;
168 }
169
175 root_fid->qid = fcall->params.rstat.stat->qid; 170 root_fid->qid = fcall->params.rstat.stat->qid;
176 root->d_inode->i_ino = 171 root->d_inode->i_ino =
177 v9fs_qid2ino(&fcall->params.rstat.stat->qid); 172 v9fs_qid2ino(&fcall->params.rstat.stat->qid);
diff --git a/fs/Kconfig b/fs/Kconfig
index 068ccea2f184..48f5422cb19a 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -472,6 +472,9 @@ config FUSE_FS
472 utilities is available from the FUSE homepage: 472 utilities is available from the FUSE homepage:
473 <http://fuse.sourceforge.net/> 473 <http://fuse.sourceforge.net/>
474 474
475 See <file:Documentation/filesystems/fuse.txt> for more information.
476 See <file:Documentation/Changes> for needed library/utility version.
477
475 If you want to develop a userspace FS, or if you want to use 478 If you want to develop a userspace FS, or if you want to use
476 a filesystem based on FUSE, answer Y or M. 479 a filesystem based on FUSE, answer Y or M.
477 480
diff --git a/fs/aio.c b/fs/aio.c
index 0e11e31dbb77..9fe7216457d8 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -398,7 +398,7 @@ static struct kiocb fastcall *__aio_get_req(struct kioctx *ctx)
398 if (unlikely(!req)) 398 if (unlikely(!req))
399 return NULL; 399 return NULL;
400 400
401 req->ki_flags = 1 << KIF_LOCKED; 401 req->ki_flags = 0;
402 req->ki_users = 2; 402 req->ki_users = 2;
403 req->ki_key = 0; 403 req->ki_key = 0;
404 req->ki_ctx = ctx; 404 req->ki_ctx = ctx;
@@ -547,25 +547,6 @@ struct kioctx *lookup_ioctx(unsigned long ctx_id)
547 return ioctx; 547 return ioctx;
548} 548}
549 549
550static int lock_kiocb_action(void *param)
551{
552 schedule();
553 return 0;
554}
555
556static inline void lock_kiocb(struct kiocb *iocb)
557{
558 wait_on_bit_lock(&iocb->ki_flags, KIF_LOCKED, lock_kiocb_action,
559 TASK_UNINTERRUPTIBLE);
560}
561
562static inline void unlock_kiocb(struct kiocb *iocb)
563{
564 kiocbClearLocked(iocb);
565 smp_mb__after_clear_bit();
566 wake_up_bit(&iocb->ki_flags, KIF_LOCKED);
567}
568
569/* 550/*
570 * use_mm 551 * use_mm
571 * Makes the calling kernel thread take on the specified 552 * Makes the calling kernel thread take on the specified
@@ -741,19 +722,9 @@ static ssize_t aio_run_iocb(struct kiocb *iocb)
741 ret = retry(iocb); 722 ret = retry(iocb);
742 current->io_wait = NULL; 723 current->io_wait = NULL;
743 724
744 if (-EIOCBRETRY != ret) { 725 if (ret != -EIOCBRETRY && ret != -EIOCBQUEUED) {
745 if (-EIOCBQUEUED != ret) { 726 BUG_ON(!list_empty(&iocb->ki_wait.task_list));
746 BUG_ON(!list_empty(&iocb->ki_wait.task_list)); 727 aio_complete(iocb, ret, 0);
747 aio_complete(iocb, ret, 0);
748 /* must not access the iocb after this */
749 }
750 } else {
751 /*
752 * Issue an additional retry to avoid waiting forever if
753 * no waits were queued (e.g. in case of a short read).
754 */
755 if (list_empty(&iocb->ki_wait.task_list))
756 kiocbSetKicked(iocb);
757 } 728 }
758out: 729out:
759 spin_lock_irq(&ctx->ctx_lock); 730 spin_lock_irq(&ctx->ctx_lock);
@@ -806,9 +777,7 @@ static int __aio_run_iocbs(struct kioctx *ctx)
806 * Hold an extra reference while retrying i/o. 777 * Hold an extra reference while retrying i/o.
807 */ 778 */
808 iocb->ki_users++; /* grab extra reference */ 779 iocb->ki_users++; /* grab extra reference */
809 lock_kiocb(iocb);
810 aio_run_iocb(iocb); 780 aio_run_iocb(iocb);
811 unlock_kiocb(iocb);
812 if (__aio_put_req(ctx, iocb)) /* drop extra ref */ 781 if (__aio_put_req(ctx, iocb)) /* drop extra ref */
813 put_ioctx(ctx); 782 put_ioctx(ctx);
814 } 783 }
@@ -899,16 +868,24 @@ static void aio_kick_handler(void *data)
899 * and if required activate the aio work queue to process 868 * and if required activate the aio work queue to process
900 * it 869 * it
901 */ 870 */
902static void queue_kicked_iocb(struct kiocb *iocb) 871static void try_queue_kicked_iocb(struct kiocb *iocb)
903{ 872{
904 struct kioctx *ctx = iocb->ki_ctx; 873 struct kioctx *ctx = iocb->ki_ctx;
905 unsigned long flags; 874 unsigned long flags;
906 int run = 0; 875 int run = 0;
907 876
908 WARN_ON((!list_empty(&iocb->ki_wait.task_list))); 877 /* We're supposed to be the only path putting the iocb back on the run
878 * list. If we find that the iocb is *back* on a wait queue already
879 * than retry has happened before we could queue the iocb. This also
880 * means that the retry could have completed and freed our iocb, no
881 * good. */
882 BUG_ON((!list_empty(&iocb->ki_wait.task_list)));
909 883
910 spin_lock_irqsave(&ctx->ctx_lock, flags); 884 spin_lock_irqsave(&ctx->ctx_lock, flags);
911 run = __queue_kicked_iocb(iocb); 885 /* set this inside the lock so that we can't race with aio_run_iocb()
886 * testing it and putting the iocb on the run list under the lock */
887 if (!kiocbTryKick(iocb))
888 run = __queue_kicked_iocb(iocb);
912 spin_unlock_irqrestore(&ctx->ctx_lock, flags); 889 spin_unlock_irqrestore(&ctx->ctx_lock, flags);
913 if (run) 890 if (run)
914 aio_queue_work(ctx); 891 aio_queue_work(ctx);
@@ -931,10 +908,7 @@ void fastcall kick_iocb(struct kiocb *iocb)
931 return; 908 return;
932 } 909 }
933 910
934 /* If its already kicked we shouldn't queue it again */ 911 try_queue_kicked_iocb(iocb);
935 if (!kiocbTryKick(iocb)) {
936 queue_kicked_iocb(iocb);
937 }
938} 912}
939EXPORT_SYMBOL(kick_iocb); 913EXPORT_SYMBOL(kick_iocb);
940 914
@@ -1322,8 +1296,11 @@ asmlinkage long sys_io_destroy(aio_context_t ctx)
1322} 1296}
1323 1297
1324/* 1298/*
1325 * Default retry method for aio_read (also used for first time submit) 1299 * aio_p{read,write} are the default ki_retry methods for
1326 * Responsible for updating iocb state as retries progress 1300 * IO_CMD_P{READ,WRITE}. They maintains kiocb retry state around potentially
1301 * multiple calls to f_op->aio_read(). They loop around partial progress
1302 * instead of returning -EIOCBRETRY because they don't have the means to call
1303 * kick_iocb().
1327 */ 1304 */
1328static ssize_t aio_pread(struct kiocb *iocb) 1305static ssize_t aio_pread(struct kiocb *iocb)
1329{ 1306{
@@ -1332,25 +1309,25 @@ static ssize_t aio_pread(struct kiocb *iocb)
1332 struct inode *inode = mapping->host; 1309 struct inode *inode = mapping->host;
1333 ssize_t ret = 0; 1310 ssize_t ret = 0;
1334 1311
1335 ret = file->f_op->aio_read(iocb, iocb->ki_buf, 1312 do {
1336 iocb->ki_left, iocb->ki_pos); 1313 ret = file->f_op->aio_read(iocb, iocb->ki_buf,
1314 iocb->ki_left, iocb->ki_pos);
1315 /*
1316 * Can't just depend on iocb->ki_left to determine
1317 * whether we are done. This may have been a short read.
1318 */
1319 if (ret > 0) {
1320 iocb->ki_buf += ret;
1321 iocb->ki_left -= ret;
1322 }
1337 1323
1338 /*
1339 * Can't just depend on iocb->ki_left to determine
1340 * whether we are done. This may have been a short read.
1341 */
1342 if (ret > 0) {
1343 iocb->ki_buf += ret;
1344 iocb->ki_left -= ret;
1345 /* 1324 /*
1346 * For pipes and sockets we return once we have 1325 * For pipes and sockets we return once we have some data; for
1347 * some data; for regular files we retry till we 1326 * regular files we retry till we complete the entire read or
1348 * complete the entire read or find that we can't 1327 * find that we can't read any more data (e.g short reads).
1349 * read any more data (e.g short reads).
1350 */ 1328 */
1351 if (!S_ISFIFO(inode->i_mode) && !S_ISSOCK(inode->i_mode)) 1329 } while (ret > 0 && iocb->ki_left > 0 &&
1352 ret = -EIOCBRETRY; 1330 !S_ISFIFO(inode->i_mode) && !S_ISSOCK(inode->i_mode));
1353 }
1354 1331
1355 /* This means we must have transferred all that we could */ 1332 /* This means we must have transferred all that we could */
1356 /* No need to retry anymore */ 1333 /* No need to retry anymore */
@@ -1360,27 +1337,21 @@ static ssize_t aio_pread(struct kiocb *iocb)
1360 return ret; 1337 return ret;
1361} 1338}
1362 1339
1363/* 1340/* see aio_pread() */
1364 * Default retry method for aio_write (also used for first time submit)
1365 * Responsible for updating iocb state as retries progress
1366 */
1367static ssize_t aio_pwrite(struct kiocb *iocb) 1341static ssize_t aio_pwrite(struct kiocb *iocb)
1368{ 1342{
1369 struct file *file = iocb->ki_filp; 1343 struct file *file = iocb->ki_filp;
1370 ssize_t ret = 0; 1344 ssize_t ret = 0;
1371 1345
1372 ret = file->f_op->aio_write(iocb, iocb->ki_buf, 1346 do {
1373 iocb->ki_left, iocb->ki_pos); 1347 ret = file->f_op->aio_write(iocb, iocb->ki_buf,
1374 1348 iocb->ki_left, iocb->ki_pos);
1375 if (ret > 0) { 1349 if (ret > 0) {
1376 iocb->ki_buf += ret; 1350 iocb->ki_buf += ret;
1377 iocb->ki_left -= ret; 1351 iocb->ki_left -= ret;
1378 1352 }
1379 ret = -EIOCBRETRY; 1353 } while (ret > 0 && iocb->ki_left > 0);
1380 }
1381 1354
1382 /* This means we must have transferred all that we could */
1383 /* No need to retry anymore */
1384 if ((ret == 0) || (iocb->ki_left == 0)) 1355 if ((ret == 0) || (iocb->ki_left == 0))
1385 ret = iocb->ki_nbytes - iocb->ki_left; 1356 ret = iocb->ki_nbytes - iocb->ki_left;
1386 1357
@@ -1550,7 +1521,6 @@ int fastcall io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
1550 1521
1551 spin_lock_irq(&ctx->ctx_lock); 1522 spin_lock_irq(&ctx->ctx_lock);
1552 aio_run_iocb(req); 1523 aio_run_iocb(req);
1553 unlock_kiocb(req);
1554 if (!list_empty(&ctx->run_list)) { 1524 if (!list_empty(&ctx->run_list)) {
1555 /* drain the run list */ 1525 /* drain the run list */
1556 while (__aio_run_iocbs(ctx)) 1526 while (__aio_run_iocbs(ctx))
@@ -1682,7 +1652,6 @@ asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
1682 if (NULL != cancel) { 1652 if (NULL != cancel) {
1683 struct io_event tmp; 1653 struct io_event tmp;
1684 pr_debug("calling cancel\n"); 1654 pr_debug("calling cancel\n");
1685 lock_kiocb(kiocb);
1686 memset(&tmp, 0, sizeof(tmp)); 1655 memset(&tmp, 0, sizeof(tmp));
1687 tmp.obj = (u64)(unsigned long)kiocb->ki_obj.user; 1656 tmp.obj = (u64)(unsigned long)kiocb->ki_obj.user;
1688 tmp.data = kiocb->ki_user_data; 1657 tmp.data = kiocb->ki_user_data;
@@ -1694,7 +1663,6 @@ asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
1694 if (copy_to_user(result, &tmp, sizeof(tmp))) 1663 if (copy_to_user(result, &tmp, sizeof(tmp)))
1695 ret = -EFAULT; 1664 ret = -EFAULT;
1696 } 1665 }
1697 unlock_kiocb(kiocb);
1698 } else 1666 } else
1699 ret = -EINVAL; 1667 ret = -EINVAL;
1700 1668
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index e240c335eb23..5af928fa0449 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -108,7 +108,7 @@ static int bfs_create(struct inode * dir, struct dentry * dentry, int mode,
108 inode->i_mapping->a_ops = &bfs_aops; 108 inode->i_mapping->a_ops = &bfs_aops;
109 inode->i_mode = mode; 109 inode->i_mode = mode;
110 inode->i_ino = ino; 110 inode->i_ino = ino;
111 BFS_I(inode)->i_dsk_ino = cpu_to_le16(ino); 111 BFS_I(inode)->i_dsk_ino = ino;
112 BFS_I(inode)->i_sblock = 0; 112 BFS_I(inode)->i_sblock = 0;
113 BFS_I(inode)->i_eblock = 0; 113 BFS_I(inode)->i_eblock = 0;
114 insert_inode_hash(inode); 114 insert_inode_hash(inode);
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index c7b39aa279d7..3af6c73c5b5a 100644
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -357,28 +357,46 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
357 } 357 }
358 358
359 info->si_blocks = (le32_to_cpu(bfs_sb->s_end) + 1)>>BFS_BSIZE_BITS; /* for statfs(2) */ 359 info->si_blocks = (le32_to_cpu(bfs_sb->s_end) + 1)>>BFS_BSIZE_BITS; /* for statfs(2) */
360 info->si_freeb = (le32_to_cpu(bfs_sb->s_end) + 1 - cpu_to_le32(bfs_sb->s_start))>>BFS_BSIZE_BITS; 360 info->si_freeb = (le32_to_cpu(bfs_sb->s_end) + 1 - le32_to_cpu(bfs_sb->s_start))>>BFS_BSIZE_BITS;
361 info->si_freei = 0; 361 info->si_freei = 0;
362 info->si_lf_eblk = 0; 362 info->si_lf_eblk = 0;
363 info->si_lf_sblk = 0; 363 info->si_lf_sblk = 0;
364 info->si_lf_ioff = 0; 364 info->si_lf_ioff = 0;
365 bh = NULL;
365 for (i=BFS_ROOT_INO; i<=info->si_lasti; i++) { 366 for (i=BFS_ROOT_INO; i<=info->si_lasti; i++) {
366 inode = iget(s,i); 367 struct bfs_inode *di;
367 if (BFS_I(inode)->i_dsk_ino == 0) 368 int block = (i - BFS_ROOT_INO)/BFS_INODES_PER_BLOCK + 1;
369 int off = (i - BFS_ROOT_INO) % BFS_INODES_PER_BLOCK;
370 unsigned long sblock, eblock;
371
372 if (!off) {
373 brelse(bh);
374 bh = sb_bread(s, block);
375 }
376
377 if (!bh)
378 continue;
379
380 di = (struct bfs_inode *)bh->b_data + off;
381
382 if (!di->i_ino) {
368 info->si_freei++; 383 info->si_freei++;
369 else { 384 continue;
370 set_bit(i, info->si_imap); 385 }
371 info->si_freeb -= inode->i_blocks; 386 set_bit(i, info->si_imap);
372 if (BFS_I(inode)->i_eblock > info->si_lf_eblk) { 387 info->si_freeb -= BFS_FILEBLOCKS(di);
373 info->si_lf_eblk = BFS_I(inode)->i_eblock; 388
374 info->si_lf_sblk = BFS_I(inode)->i_sblock; 389 sblock = le32_to_cpu(di->i_sblock);
375 info->si_lf_ioff = BFS_INO2OFF(i); 390 eblock = le32_to_cpu(di->i_eblock);
376 } 391 if (eblock > info->si_lf_eblk) {
392 info->si_lf_eblk = eblock;
393 info->si_lf_sblk = sblock;
394 info->si_lf_ioff = BFS_INO2OFF(i);
377 } 395 }
378 iput(inode);
379 } 396 }
397 brelse(bh);
380 if (!(s->s_flags & MS_RDONLY)) { 398 if (!(s->s_flags & MS_RDONLY)) {
381 mark_buffer_dirty(bh); 399 mark_buffer_dirty(info->si_sbh);
382 s->s_dirt = 1; 400 s->s_dirt = 1;
383 } 401 }
384 dump_imap("read_super", s); 402 dump_imap("read_super", s);
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 7976a238f0a3..d4b15576e584 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -905,7 +905,7 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs)
905 send_sig(SIGKILL, current, 0); 905 send_sig(SIGKILL, current, 0);
906 goto out_free_dentry; 906 goto out_free_dentry;
907 } 907 }
908 if (padzero(elf_bss)) { 908 if (likely(elf_bss != elf_brk) && unlikely(padzero(elf_bss))) {
909 send_sig(SIGSEGV, current, 0); 909 send_sig(SIGSEGV, current, 0);
910 retval = -EFAULT; /* Nobody gets to see this, but.. */ 910 retval = -EFAULT; /* Nobody gets to see this, but.. */
911 goto out_free_dentry; 911 goto out_free_dentry;
diff --git a/fs/bio.c b/fs/bio.c
index 83a349574567..7d81a93afd48 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -75,7 +75,7 @@ struct bio_set {
75 */ 75 */
76static struct bio_set *fs_bio_set; 76static struct bio_set *fs_bio_set;
77 77
78static inline struct bio_vec *bvec_alloc_bs(unsigned int __nocast gfp_mask, int nr, unsigned long *idx, struct bio_set *bs) 78static inline struct bio_vec *bvec_alloc_bs(gfp_t gfp_mask, int nr, unsigned long *idx, struct bio_set *bs)
79{ 79{
80 struct bio_vec *bvl; 80 struct bio_vec *bvl;
81 struct biovec_slab *bp; 81 struct biovec_slab *bp;
@@ -155,7 +155,7 @@ inline void bio_init(struct bio *bio)
155 * allocate bio and iovecs from the memory pools specified by the 155 * allocate bio and iovecs from the memory pools specified by the
156 * bio_set structure. 156 * bio_set structure.
157 **/ 157 **/
158struct bio *bio_alloc_bioset(unsigned int __nocast gfp_mask, int nr_iovecs, struct bio_set *bs) 158struct bio *bio_alloc_bioset(gfp_t gfp_mask, int nr_iovecs, struct bio_set *bs)
159{ 159{
160 struct bio *bio = mempool_alloc(bs->bio_pool, gfp_mask); 160 struct bio *bio = mempool_alloc(bs->bio_pool, gfp_mask);
161 161
@@ -181,7 +181,7 @@ out:
181 return bio; 181 return bio;
182} 182}
183 183
184struct bio *bio_alloc(unsigned int __nocast gfp_mask, int nr_iovecs) 184struct bio *bio_alloc(gfp_t gfp_mask, int nr_iovecs)
185{ 185{
186 struct bio *bio = bio_alloc_bioset(gfp_mask, nr_iovecs, fs_bio_set); 186 struct bio *bio = bio_alloc_bioset(gfp_mask, nr_iovecs, fs_bio_set);
187 187
@@ -277,7 +277,7 @@ inline void __bio_clone(struct bio *bio, struct bio *bio_src)
277 * 277 *
278 * Like __bio_clone, only also allocates the returned bio 278 * Like __bio_clone, only also allocates the returned bio
279 */ 279 */
280struct bio *bio_clone(struct bio *bio, unsigned int __nocast gfp_mask) 280struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask)
281{ 281{
282 struct bio *b = bio_alloc_bioset(gfp_mask, bio->bi_max_vecs, fs_bio_set); 282 struct bio *b = bio_alloc_bioset(gfp_mask, bio->bi_max_vecs, fs_bio_set);
283 283
@@ -1078,7 +1078,7 @@ struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, int first_sectors)
1078 return bp; 1078 return bp;
1079} 1079}
1080 1080
1081static void *bio_pair_alloc(unsigned int __nocast gfp_flags, void *data) 1081static void *bio_pair_alloc(gfp_t gfp_flags, void *data)
1082{ 1082{
1083 return kmalloc(sizeof(struct bio_pair), gfp_flags); 1083 return kmalloc(sizeof(struct bio_pair), gfp_flags);
1084} 1084}
diff --git a/fs/buffer.c b/fs/buffer.c
index 6cbfceabd95d..1216c0d3c8ce 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3045,7 +3045,7 @@ static void recalc_bh_state(void)
3045 buffer_heads_over_limit = (tot > max_buffer_heads); 3045 buffer_heads_over_limit = (tot > max_buffer_heads);
3046} 3046}
3047 3047
3048struct buffer_head *alloc_buffer_head(unsigned int __nocast gfp_flags) 3048struct buffer_head *alloc_buffer_head(gfp_t gfp_flags)
3049{ 3049{
3050 struct buffer_head *ret = kmem_cache_alloc(bh_cachep, gfp_flags); 3050 struct buffer_head *ret = kmem_cache_alloc(bh_cachep, gfp_flags);
3051 if (ret) { 3051 if (ret) {
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 8cc23e7d0d5d..1ebf7dafc1d7 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -781,6 +781,8 @@ static int cifs_oplock_thread(void * dummyarg)
781 781
782 oplockThread = current; 782 oplockThread = current;
783 do { 783 do {
784 if (try_to_freeze())
785 continue;
784 set_current_state(TASK_INTERRUPTIBLE); 786 set_current_state(TASK_INTERRUPTIBLE);
785 787
786 schedule_timeout(1*HZ); 788 schedule_timeout(1*HZ);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 2335f14a1583..47360156cc54 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -344,6 +344,8 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
344 } 344 }
345 345
346 while (server->tcpStatus != CifsExiting) { 346 while (server->tcpStatus != CifsExiting) {
347 if (try_to_freeze())
348 continue;
347 if (bigbuf == NULL) { 349 if (bigbuf == NULL) {
348 bigbuf = cifs_buf_get(); 350 bigbuf = cifs_buf_get();
349 if(bigbuf == NULL) { 351 if(bigbuf == NULL) {
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 403b90a1213d..4284cd31eba6 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -101,6 +101,10 @@
101/* Maximum number of poll wake up nests we are allowing */ 101/* Maximum number of poll wake up nests we are allowing */
102#define EP_MAX_POLLWAKE_NESTS 4 102#define EP_MAX_POLLWAKE_NESTS 4
103 103
104/* Maximum msec timeout value storeable in a long int */
105#define EP_MAX_MSTIMEO min(1000ULL * MAX_SCHEDULE_TIMEOUT / HZ, (LONG_MAX - 999ULL) / HZ)
106
107
104struct epoll_filefd { 108struct epoll_filefd {
105 struct file *file; 109 struct file *file;
106 int fd; 110 int fd;
@@ -1506,8 +1510,8 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events,
1506 * and the overflow condition. The passed timeout is in milliseconds, 1510 * and the overflow condition. The passed timeout is in milliseconds,
1507 * that why (t * HZ) / 1000. 1511 * that why (t * HZ) / 1000.
1508 */ 1512 */
1509 jtimeout = timeout == -1 || timeout > (MAX_SCHEDULE_TIMEOUT - 1000) / HZ ? 1513 jtimeout = (timeout < 0 || timeout >= EP_MAX_MSTIMEO) ?
1510 MAX_SCHEDULE_TIMEOUT: (timeout * HZ + 999) / 1000; 1514 MAX_SCHEDULE_TIMEOUT : (timeout * HZ + 999) / 1000;
1511 1515
1512retry: 1516retry:
1513 write_lock_irqsave(&ep->lock, flags); 1517 write_lock_irqsave(&ep->lock, flags);
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index c8d07030c897..e2d6208633a7 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -605,27 +605,28 @@ got:
605 insert_inode_hash(inode); 605 insert_inode_hash(inode);
606 606
607 if (DQUOT_ALLOC_INODE(inode)) { 607 if (DQUOT_ALLOC_INODE(inode)) {
608 DQUOT_DROP(inode);
609 err = -ENOSPC; 608 err = -ENOSPC;
610 goto fail2; 609 goto fail_drop;
611 } 610 }
611
612 err = ext2_init_acl(inode, dir); 612 err = ext2_init_acl(inode, dir);
613 if (err) { 613 if (err)
614 DQUOT_FREE_INODE(inode); 614 goto fail_free_drop;
615 DQUOT_DROP(inode); 615
616 goto fail2;
617 }
618 err = ext2_init_security(inode,dir); 616 err = ext2_init_security(inode,dir);
619 if (err) { 617 if (err)
620 DQUOT_FREE_INODE(inode); 618 goto fail_free_drop;
621 goto fail2; 619
622 }
623 mark_inode_dirty(inode); 620 mark_inode_dirty(inode);
624 ext2_debug("allocating inode %lu\n", inode->i_ino); 621 ext2_debug("allocating inode %lu\n", inode->i_ino);
625 ext2_preread_inode(inode); 622 ext2_preread_inode(inode);
626 return inode; 623 return inode;
627 624
628fail2: 625fail_free_drop:
626 DQUOT_FREE_INODE(inode);
627
628fail_drop:
629 DQUOT_DROP(inode);
629 inode->i_flags |= S_NOQUOTA; 630 inode->i_flags |= S_NOQUOTA;
630 inode->i_nlink = 0; 631 inode->i_nlink = 0;
631 iput(inode); 632 iput(inode);
diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c
index 96552769d039..6549945f9ac1 100644
--- a/fs/ext3/ialloc.c
+++ b/fs/ext3/ialloc.c
@@ -597,27 +597,22 @@ got:
597 597
598 ret = inode; 598 ret = inode;
599 if(DQUOT_ALLOC_INODE(inode)) { 599 if(DQUOT_ALLOC_INODE(inode)) {
600 DQUOT_DROP(inode);
601 err = -EDQUOT; 600 err = -EDQUOT;
602 goto fail2; 601 goto fail_drop;
603 } 602 }
603
604 err = ext3_init_acl(handle, inode, dir); 604 err = ext3_init_acl(handle, inode, dir);
605 if (err) { 605 if (err)
606 DQUOT_FREE_INODE(inode); 606 goto fail_free_drop;
607 DQUOT_DROP(inode); 607
608 goto fail2;
609 }
610 err = ext3_init_security(handle,inode, dir); 608 err = ext3_init_security(handle,inode, dir);
611 if (err) { 609 if (err)
612 DQUOT_FREE_INODE(inode); 610 goto fail_free_drop;
613 goto fail2; 611
614 }
615 err = ext3_mark_inode_dirty(handle, inode); 612 err = ext3_mark_inode_dirty(handle, inode);
616 if (err) { 613 if (err) {
617 ext3_std_error(sb, err); 614 ext3_std_error(sb, err);
618 DQUOT_FREE_INODE(inode); 615 goto fail_free_drop;
619 DQUOT_DROP(inode);
620 goto fail2;
621 } 616 }
622 617
623 ext3_debug("allocating inode %lu\n", inode->i_ino); 618 ext3_debug("allocating inode %lu\n", inode->i_ino);
@@ -631,7 +626,11 @@ really_out:
631 brelse(bitmap_bh); 626 brelse(bitmap_bh);
632 return ret; 627 return ret;
633 628
634fail2: 629fail_free_drop:
630 DQUOT_FREE_INODE(inode);
631
632fail_drop:
633 DQUOT_DROP(inode);
635 inode->i_flags |= S_NOQUOTA; 634 inode->i_flags |= S_NOQUOTA;
636 inode->i_nlink = 0; 635 inode->i_nlink = 0;
637 iput(inode); 636 iput(inode);
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index e79e49b3eec7..29f1e9f6e85c 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -96,6 +96,8 @@ static int fuse_lookup_iget(struct inode *dir, struct dentry *entry,
96 fuse_lookup_init(req, dir, entry, &outarg); 96 fuse_lookup_init(req, dir, entry, &outarg);
97 request_send(fc, req); 97 request_send(fc, req);
98 err = req->out.h.error; 98 err = req->out.h.error;
99 if (!err && (!outarg.nodeid || outarg.nodeid == FUSE_ROOT_ID))
100 err = -EIO;
99 if (!err) { 101 if (!err) {
100 inode = fuse_iget(dir->i_sb, outarg.nodeid, outarg.generation, 102 inode = fuse_iget(dir->i_sb, outarg.nodeid, outarg.generation,
101 &outarg.attr); 103 &outarg.attr);
@@ -152,6 +154,10 @@ static int create_new_entry(struct fuse_conn *fc, struct fuse_req *req,
152 fuse_put_request(fc, req); 154 fuse_put_request(fc, req);
153 return err; 155 return err;
154 } 156 }
157 if (!outarg.nodeid || outarg.nodeid == FUSE_ROOT_ID) {
158 fuse_put_request(fc, req);
159 return -EIO;
160 }
155 inode = fuse_iget(dir->i_sb, outarg.nodeid, outarg.generation, 161 inode = fuse_iget(dir->i_sb, outarg.nodeid, outarg.generation,
156 &outarg.attr); 162 &outarg.attr);
157 if (!inode) { 163 if (!inode) {
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 6454022b0536..657ab11c173b 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -23,6 +23,10 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir)
23 struct fuse_file *ff; 23 struct fuse_file *ff;
24 int err; 24 int err;
25 25
26 /* VFS checks this, but only _after_ ->open() */
27 if (file->f_flags & O_DIRECT)
28 return -EINVAL;
29
26 err = generic_file_open(inode, file); 30 err = generic_file_open(inode, file);
27 if (err) 31 if (err)
28 return err; 32 return err;
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 59c5062cd63f..dd7113106269 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -793,11 +793,6 @@ int hostfs_rename(struct inode *from_ino, struct dentry *from,
793 return(err); 793 return(err);
794} 794}
795 795
796void hostfs_truncate(struct inode *ino)
797{
798 not_implemented();
799}
800
801int hostfs_permission(struct inode *ino, int desired, struct nameidata *nd) 796int hostfs_permission(struct inode *ino, int desired, struct nameidata *nd)
802{ 797{
803 char *name; 798 char *name;
@@ -894,7 +889,6 @@ static struct inode_operations hostfs_iops = {
894 .rmdir = hostfs_rmdir, 889 .rmdir = hostfs_rmdir,
895 .mknod = hostfs_mknod, 890 .mknod = hostfs_mknod,
896 .rename = hostfs_rename, 891 .rename = hostfs_rename,
897 .truncate = hostfs_truncate,
898 .permission = hostfs_permission, 892 .permission = hostfs_permission,
899 .setattr = hostfs_setattr, 893 .setattr = hostfs_setattr,
900 .getattr = hostfs_getattr, 894 .getattr = hostfs_getattr,
@@ -910,7 +904,6 @@ static struct inode_operations hostfs_dir_iops = {
910 .rmdir = hostfs_rmdir, 904 .rmdir = hostfs_rmdir,
911 .mknod = hostfs_mknod, 905 .mknod = hostfs_mknod,
912 .rename = hostfs_rename, 906 .rename = hostfs_rename,
913 .truncate = hostfs_truncate,
914 .permission = hostfs_permission, 907 .permission = hostfs_permission,
915 .setattr = hostfs_setattr, 908 .setattr = hostfs_setattr,
916 .getattr = hostfs_getattr, 909 .getattr = hostfs_getattr,
diff --git a/fs/mpage.c b/fs/mpage.c
index bb9aebe93862..c5adcdddf3cc 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -102,7 +102,7 @@ static struct bio *mpage_bio_submit(int rw, struct bio *bio)
102static struct bio * 102static struct bio *
103mpage_alloc(struct block_device *bdev, 103mpage_alloc(struct block_device *bdev,
104 sector_t first_sector, int nr_vecs, 104 sector_t first_sector, int nr_vecs,
105 unsigned int __nocast gfp_flags) 105 gfp_t gfp_flags)
106{ 106{
107 struct bio *bio; 107 struct bio *bio;
108 108
diff --git a/fs/namei.c b/fs/namei.c
index 043d587216b5..aa62dbda93ac 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1551,19 +1551,19 @@ do_link:
1551 if (nd->last_type != LAST_NORM) 1551 if (nd->last_type != LAST_NORM)
1552 goto exit; 1552 goto exit;
1553 if (nd->last.name[nd->last.len]) { 1553 if (nd->last.name[nd->last.len]) {
1554 putname(nd->last.name); 1554 __putname(nd->last.name);
1555 goto exit; 1555 goto exit;
1556 } 1556 }
1557 error = -ELOOP; 1557 error = -ELOOP;
1558 if (count++==32) { 1558 if (count++==32) {
1559 putname(nd->last.name); 1559 __putname(nd->last.name);
1560 goto exit; 1560 goto exit;
1561 } 1561 }
1562 dir = nd->dentry; 1562 dir = nd->dentry;
1563 down(&dir->d_inode->i_sem); 1563 down(&dir->d_inode->i_sem);
1564 path.dentry = __lookup_hash(&nd->last, nd->dentry, nd); 1564 path.dentry = __lookup_hash(&nd->last, nd->dentry, nd);
1565 path.mnt = nd->mnt; 1565 path.mnt = nd->mnt;
1566 putname(nd->last.name); 1566 __putname(nd->last.name);
1567 goto do_last; 1567 goto do_last;
1568} 1568}
1569 1569
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index d7f7eb669d03..4a36839f0bbd 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -85,6 +85,10 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct
85 struct nfs_delegation *delegation; 85 struct nfs_delegation *delegation;
86 int status = 0; 86 int status = 0;
87 87
88 /* Ensure we first revalidate the attributes and page cache! */
89 if ((nfsi->cache_validity & (NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_ATTR)))
90 __nfs_revalidate_inode(NFS_SERVER(inode), inode);
91
88 delegation = nfs_alloc_delegation(); 92 delegation = nfs_alloc_delegation();
89 if (delegation == NULL) 93 if (delegation == NULL)
90 return -ENOMEM; 94 return -ENOMEM;
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index f6b9eda925c5..6bdcfa95de94 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -137,7 +137,8 @@ static int nfs_revalidate_file(struct inode *inode, struct file *filp)
137 struct nfs_inode *nfsi = NFS_I(inode); 137 struct nfs_inode *nfsi = NFS_I(inode);
138 int retval = 0; 138 int retval = 0;
139 139
140 if ((nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE) || nfs_attribute_timeout(inode)) 140 if ((nfsi->cache_validity & (NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_ATTR))
141 || nfs_attribute_timeout(inode))
141 retval = __nfs_revalidate_inode(NFS_SERVER(inode), inode); 142 retval = __nfs_revalidate_inode(NFS_SERVER(inode), inode);
142 nfs_revalidate_mapping(inode, filp->f_mapping); 143 nfs_revalidate_mapping(inode, filp->f_mapping);
143 return 0; 144 return 0;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 358d8ef8c087..d7abaa00473a 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -909,12 +909,10 @@ static int nfs_wait_on_inode(struct inode *inode)
909 sigset_t oldmask; 909 sigset_t oldmask;
910 int error; 910 int error;
911 911
912 atomic_inc(&inode->i_count);
913 rpc_clnt_sigmask(clnt, &oldmask); 912 rpc_clnt_sigmask(clnt, &oldmask);
914 error = wait_on_bit_lock(&nfsi->flags, NFS_INO_REVALIDATING, 913 error = wait_on_bit_lock(&nfsi->flags, NFS_INO_REVALIDATING,
915 nfs_wait_schedule, TASK_INTERRUPTIBLE); 914 nfs_wait_schedule, TASK_INTERRUPTIBLE);
916 rpc_clnt_sigunmask(clnt, &oldmask); 915 rpc_clnt_sigunmask(clnt, &oldmask);
917 iput(inode);
918 916
919 return error; 917 return error;
920} 918}
@@ -1258,10 +1256,6 @@ int nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr)
1258 loff_t cur_size, new_isize; 1256 loff_t cur_size, new_isize;
1259 int data_unstable; 1257 int data_unstable;
1260 1258
1261 /* Do we hold a delegation? */
1262 if (nfs_have_delegation(inode, FMODE_READ))
1263 return 0;
1264
1265 spin_lock(&inode->i_lock); 1259 spin_lock(&inode->i_lock);
1266 1260
1267 /* Are we in the process of updating data on the server? */ 1261 /* Are we in the process of updating data on the server? */
@@ -1382,7 +1376,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsign
1382 nfsi->read_cache_jiffies = fattr->timestamp; 1376 nfsi->read_cache_jiffies = fattr->timestamp;
1383 1377
1384 /* Are we racing with known updates of the metadata on the server? */ 1378 /* Are we racing with known updates of the metadata on the server? */
1385 data_unstable = ! nfs_verify_change_attribute(inode, verifier); 1379 data_unstable = ! (nfs_verify_change_attribute(inode, verifier) ||
1380 (nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE));
1386 1381
1387 /* Check if our cached file size is stale */ 1382 /* Check if our cached file size is stale */
1388 new_isize = nfs_size_to_loff_t(fattr->size); 1383 new_isize = nfs_size_to_loff_t(fattr->size);
diff --git a/fs/nfs_common/nfsacl.c b/fs/nfs_common/nfsacl.c
index 251e5a1bb1c4..0c2be8c0307d 100644
--- a/fs/nfs_common/nfsacl.c
+++ b/fs/nfs_common/nfsacl.c
@@ -48,43 +48,26 @@ xdr_nfsace_encode(struct xdr_array2_desc *desc, void *elem)
48 (struct nfsacl_encode_desc *) desc; 48 (struct nfsacl_encode_desc *) desc;
49 u32 *p = (u32 *) elem; 49 u32 *p = (u32 *) elem;
50 50
51 if (nfsacl_desc->count < nfsacl_desc->acl->a_count) { 51 struct posix_acl_entry *entry =
52 struct posix_acl_entry *entry = 52 &nfsacl_desc->acl->a_entries[nfsacl_desc->count++];
53 &nfsacl_desc->acl->a_entries[nfsacl_desc->count++];
54 53
55 *p++ = htonl(entry->e_tag | nfsacl_desc->typeflag); 54 *p++ = htonl(entry->e_tag | nfsacl_desc->typeflag);
56 switch(entry->e_tag) { 55 switch(entry->e_tag) {
57 case ACL_USER_OBJ: 56 case ACL_USER_OBJ:
58 *p++ = htonl(nfsacl_desc->uid); 57 *p++ = htonl(nfsacl_desc->uid);
59 break; 58 break;
60 case ACL_GROUP_OBJ: 59 case ACL_GROUP_OBJ:
61 *p++ = htonl(nfsacl_desc->gid); 60 *p++ = htonl(nfsacl_desc->gid);
62 break; 61 break;
63 case ACL_USER: 62 case ACL_USER:
64 case ACL_GROUP: 63 case ACL_GROUP:
65 *p++ = htonl(entry->e_id); 64 *p++ = htonl(entry->e_id);
66 break; 65 break;
67 default: /* Solaris depends on that! */ 66 default: /* Solaris depends on that! */
68 *p++ = 0; 67 *p++ = 0;
69 break; 68 break;
70 }
71 *p++ = htonl(entry->e_perm & S_IRWXO);
72 } else {
73 const struct posix_acl_entry *pa, *pe;
74 int group_obj_perm = ACL_READ|ACL_WRITE|ACL_EXECUTE;
75
76 FOREACH_ACL_ENTRY(pa, nfsacl_desc->acl, pe) {
77 if (pa->e_tag == ACL_GROUP_OBJ) {
78 group_obj_perm = pa->e_perm & S_IRWXO;
79 break;
80 }
81 }
82 /* fake up ACL_MASK entry */
83 *p++ = htonl(ACL_MASK | nfsacl_desc->typeflag);
84 *p++ = htonl(0);
85 *p++ = htonl(group_obj_perm);
86 } 69 }
87 70 *p++ = htonl(entry->e_perm & S_IRWXO);
88 return 0; 71 return 0;
89} 72}
90 73
@@ -105,11 +88,28 @@ nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode,
105 .gid = inode->i_gid, 88 .gid = inode->i_gid,
106 }; 89 };
107 int err; 90 int err;
91 struct posix_acl *acl2 = NULL;
108 92
109 if (entries > NFS_ACL_MAX_ENTRIES || 93 if (entries > NFS_ACL_MAX_ENTRIES ||
110 xdr_encode_word(buf, base, entries)) 94 xdr_encode_word(buf, base, entries))
111 return -EINVAL; 95 return -EINVAL;
96 if (encode_entries && acl && acl->a_count == 3) {
97 /* Fake up an ACL_MASK entry. */
98 acl2 = posix_acl_alloc(4, GFP_KERNEL);
99 if (!acl2)
100 return -ENOMEM;
101 /* Insert entries in canonical order: other orders seem
102 to confuse Solaris VxFS. */
103 acl2->a_entries[0] = acl->a_entries[0]; /* ACL_USER_OBJ */
104 acl2->a_entries[1] = acl->a_entries[1]; /* ACL_GROUP_OBJ */
105 acl2->a_entries[2] = acl->a_entries[1]; /* ACL_MASK */
106 acl2->a_entries[2].e_tag = ACL_MASK;
107 acl2->a_entries[3] = acl->a_entries[2]; /* ACL_OTHER */
108 nfsacl_desc.acl = acl2;
109 }
112 err = xdr_encode_array2(buf, base + 4, &nfsacl_desc.desc); 110 err = xdr_encode_array2(buf, base + 4, &nfsacl_desc.desc);
111 if (acl2)
112 posix_acl_release(acl2);
113 if (!err) 113 if (!err)
114 err = 8 + nfsacl_desc.desc.elem_size * 114 err = 8 + nfsacl_desc.desc.elem_size *
115 nfsacl_desc.desc.array_len; 115 nfsacl_desc.desc.array_len;
diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog
index c7e9237379c2..de58579a1d0e 100644
--- a/fs/ntfs/ChangeLog
+++ b/fs/ntfs/ChangeLog
@@ -29,7 +29,8 @@ ToDo/Notes:
29 The Windows boot will run chkdsk and then reboot. The user can then 29 The Windows boot will run chkdsk and then reboot. The user can then
30 immediately boot into Linux rather than having to do a full Windows 30 immediately boot into Linux rather than having to do a full Windows
31 boot first before rebooting into Linux and we will recognize such a 31 boot first before rebooting into Linux and we will recognize such a
32 journal and empty it as it is clean by definition. 32 journal and empty it as it is clean by definition. Note, this only
33 works if chkdsk left the journal in an obviously clean state.
33 - Support journals ($LogFile) with only one restart page as well as 34 - Support journals ($LogFile) with only one restart page as well as
34 journals with two different restart pages. We sanity check both and 35 journals with two different restart pages. We sanity check both and
35 either use the only sane one or the more recent one of the two in the 36 either use the only sane one or the more recent one of the two in the
@@ -94,6 +95,16 @@ ToDo/Notes:
94 my ways. 95 my ways.
95 - Fix various bugs in the runlist merging code. (Based on libntfs 96 - Fix various bugs in the runlist merging code. (Based on libntfs
96 changes by Richard Russon.) 97 changes by Richard Russon.)
98 - Fix sparse warnings that have crept in over time.
99 - Change ntfs_cluster_free() to require a write locked runlist on entry
100 since we otherwise get into a lock reversal deadlock if a read locked
101 runlist is passed in. In the process also change it to take an ntfs
102 inode instead of a vfs inode as parameter.
103 - Fix the definition of the CHKD ntfs record magic. It had an off by
104 two error causing it to be CHKB instead of CHKD.
105 - Fix a stupid bug in __ntfs_bitmap_set_bits_in_run() which caused the
106 count to become negative and hence we had a wild memset() scribbling
107 all over the system's ram.
97 108
982.1.23 - Implement extension of resident files and make writing safe as well as 1092.1.23 - Implement extension of resident files and make writing safe as well as
99 many bug fixes, cleanups, and enhancements... 110 many bug fixes, cleanups, and enhancements...
diff --git a/fs/ntfs/bitmap.c b/fs/ntfs/bitmap.c
index 12cf2e30c7dd..7a190cdc60e2 100644
--- a/fs/ntfs/bitmap.c
+++ b/fs/ntfs/bitmap.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * bitmap.c - NTFS kernel bitmap handling. Part of the Linux-NTFS project. 2 * bitmap.c - NTFS kernel bitmap handling. Part of the Linux-NTFS project.
3 * 3 *
4 * Copyright (c) 2004 Anton Altaparmakov 4 * Copyright (c) 2004-2005 Anton Altaparmakov
5 * 5 *
6 * This program/include file is free software; you can redistribute it and/or 6 * This program/include file is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as published 7 * modify it under the terms of the GNU General Public License as published
@@ -90,7 +90,8 @@ int __ntfs_bitmap_set_bits_in_run(struct inode *vi, const s64 start_bit,
90 /* If the first byte is partial, modify the appropriate bits in it. */ 90 /* If the first byte is partial, modify the appropriate bits in it. */
91 if (bit) { 91 if (bit) {
92 u8 *byte = kaddr + pos; 92 u8 *byte = kaddr + pos;
93 while ((bit & 7) && cnt--) { 93 while ((bit & 7) && cnt) {
94 cnt--;
94 if (value) 95 if (value)
95 *byte |= 1 << bit++; 96 *byte |= 1 << bit++;
96 else 97 else
diff --git a/fs/ntfs/layout.h b/fs/ntfs/layout.h
index 609ad1728ce4..5c248d404f05 100644
--- a/fs/ntfs/layout.h
+++ b/fs/ntfs/layout.h
@@ -123,7 +123,7 @@ enum {
123 magic_RCRD = const_cpu_to_le32(0x44524352), /* Log record page. */ 123 magic_RCRD = const_cpu_to_le32(0x44524352), /* Log record page. */
124 124
125 /* Found in $LogFile/$DATA. (May be found in $MFT/$DATA, also?) */ 125 /* Found in $LogFile/$DATA. (May be found in $MFT/$DATA, also?) */
126 magic_CHKD = const_cpu_to_le32(0x424b4843), /* Modified by chkdsk. */ 126 magic_CHKD = const_cpu_to_le32(0x444b4843), /* Modified by chkdsk. */
127 127
128 /* Found in all ntfs record containing records. */ 128 /* Found in all ntfs record containing records. */
129 magic_BAAD = const_cpu_to_le32(0x44414142), /* Failed multi sector 129 magic_BAAD = const_cpu_to_le32(0x44414142), /* Failed multi sector
@@ -308,10 +308,8 @@ typedef le16 MFT_RECORD_FLAGS;
308 * The _LE versions are to be applied on little endian MFT_REFs. 308 * The _LE versions are to be applied on little endian MFT_REFs.
309 * Note: The _LE versions will return a CPU endian formatted value! 309 * Note: The _LE versions will return a CPU endian formatted value!
310 */ 310 */
311typedef enum { 311#define MFT_REF_MASK_CPU 0x0000ffffffffffffULL
312 MFT_REF_MASK_CPU = 0x0000ffffffffffffULL, 312#define MFT_REF_MASK_LE const_cpu_to_le64(MFT_REF_MASK_CPU)
313 MFT_REF_MASK_LE = const_cpu_to_le64(0x0000ffffffffffffULL),
314} MFT_REF_CONSTS;
315 313
316typedef u64 MFT_REF; 314typedef u64 MFT_REF;
317typedef le64 leMFT_REF; 315typedef le64 leMFT_REF;
diff --git a/fs/ntfs/lcnalloc.c b/fs/ntfs/lcnalloc.c
index 7b5934290685..5af3bf0b7eee 100644
--- a/fs/ntfs/lcnalloc.c
+++ b/fs/ntfs/lcnalloc.c
@@ -779,14 +779,13 @@ out:
779 779
780/** 780/**
781 * __ntfs_cluster_free - free clusters on an ntfs volume 781 * __ntfs_cluster_free - free clusters on an ntfs volume
782 * @vi: vfs inode whose runlist describes the clusters to free 782 * @ni: ntfs inode whose runlist describes the clusters to free
783 * @start_vcn: vcn in the runlist of @vi at which to start freeing clusters 783 * @start_vcn: vcn in the runlist of @ni at which to start freeing clusters
784 * @count: number of clusters to free or -1 for all clusters 784 * @count: number of clusters to free or -1 for all clusters
785 * @write_locked: true if the runlist is locked for writing
786 * @is_rollback: true if this is a rollback operation 785 * @is_rollback: true if this is a rollback operation
787 * 786 *
788 * Free @count clusters starting at the cluster @start_vcn in the runlist 787 * Free @count clusters starting at the cluster @start_vcn in the runlist
789 * described by the vfs inode @vi. 788 * described by the vfs inode @ni.
790 * 789 *
791 * If @count is -1, all clusters from @start_vcn to the end of the runlist are 790 * If @count is -1, all clusters from @start_vcn to the end of the runlist are
792 * deallocated. Thus, to completely free all clusters in a runlist, use 791 * deallocated. Thus, to completely free all clusters in a runlist, use
@@ -801,31 +800,28 @@ out:
801 * Return the number of deallocated clusters (not counting sparse ones) on 800 * Return the number of deallocated clusters (not counting sparse ones) on
802 * success and -errno on error. 801 * success and -errno on error.
803 * 802 *
804 * Locking: - The runlist described by @vi must be locked on entry and is 803 * Locking: - The runlist described by @ni must be locked for writing on entry
805 * locked on return. Note if the runlist is locked for reading the 804 * and is locked on return. Note the runlist may be modified when
806 * lock may be dropped and reacquired. Note the runlist may be 805 * needed runlist fragments need to be mapped.
807 * modified when needed runlist fragments need to be mapped.
808 * - The volume lcn bitmap must be unlocked on entry and is unlocked 806 * - The volume lcn bitmap must be unlocked on entry and is unlocked
809 * on return. 807 * on return.
810 * - This function takes the volume lcn bitmap lock for writing and 808 * - This function takes the volume lcn bitmap lock for writing and
811 * modifies the bitmap contents. 809 * modifies the bitmap contents.
812 */ 810 */
813s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, s64 count, 811s64 __ntfs_cluster_free(ntfs_inode *ni, const VCN start_vcn, s64 count,
814 const BOOL write_locked, const BOOL is_rollback) 812 const BOOL is_rollback)
815{ 813{
816 s64 delta, to_free, total_freed, real_freed; 814 s64 delta, to_free, total_freed, real_freed;
817 ntfs_inode *ni;
818 ntfs_volume *vol; 815 ntfs_volume *vol;
819 struct inode *lcnbmp_vi; 816 struct inode *lcnbmp_vi;
820 runlist_element *rl; 817 runlist_element *rl;
821 int err; 818 int err;
822 819
823 BUG_ON(!vi); 820 BUG_ON(!ni);
824 ntfs_debug("Entering for i_ino 0x%lx, start_vcn 0x%llx, count " 821 ntfs_debug("Entering for i_ino 0x%lx, start_vcn 0x%llx, count "
825 "0x%llx.%s", vi->i_ino, (unsigned long long)start_vcn, 822 "0x%llx.%s", ni->mft_no, (unsigned long long)start_vcn,
826 (unsigned long long)count, 823 (unsigned long long)count,
827 is_rollback ? " (rollback)" : ""); 824 is_rollback ? " (rollback)" : "");
828 ni = NTFS_I(vi);
829 vol = ni->vol; 825 vol = ni->vol;
830 lcnbmp_vi = vol->lcnbmp_ino; 826 lcnbmp_vi = vol->lcnbmp_ino;
831 BUG_ON(!lcnbmp_vi); 827 BUG_ON(!lcnbmp_vi);
@@ -843,7 +839,7 @@ s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, s64 count,
843 839
844 total_freed = real_freed = 0; 840 total_freed = real_freed = 0;
845 841
846 rl = ntfs_attr_find_vcn_nolock(ni, start_vcn, write_locked); 842 rl = ntfs_attr_find_vcn_nolock(ni, start_vcn, TRUE);
847 if (IS_ERR(rl)) { 843 if (IS_ERR(rl)) {
848 if (!is_rollback) 844 if (!is_rollback)
849 ntfs_error(vol->sb, "Failed to find first runlist " 845 ntfs_error(vol->sb, "Failed to find first runlist "
@@ -897,7 +893,7 @@ s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, s64 count,
897 893
898 /* Attempt to map runlist. */ 894 /* Attempt to map runlist. */
899 vcn = rl->vcn; 895 vcn = rl->vcn;
900 rl = ntfs_attr_find_vcn_nolock(ni, vcn, write_locked); 896 rl = ntfs_attr_find_vcn_nolock(ni, vcn, TRUE);
901 if (IS_ERR(rl)) { 897 if (IS_ERR(rl)) {
902 err = PTR_ERR(rl); 898 err = PTR_ERR(rl);
903 if (!is_rollback) 899 if (!is_rollback)
@@ -965,8 +961,7 @@ err_out:
965 * If rollback fails, set the volume errors flag, emit an error 961 * If rollback fails, set the volume errors flag, emit an error
966 * message, and return the error code. 962 * message, and return the error code.
967 */ 963 */
968 delta = __ntfs_cluster_free(vi, start_vcn, total_freed, write_locked, 964 delta = __ntfs_cluster_free(ni, start_vcn, total_freed, TRUE);
969 TRUE);
970 if (delta < 0) { 965 if (delta < 0) {
971 ntfs_error(vol->sb, "Failed to rollback (error %i). Leaving " 966 ntfs_error(vol->sb, "Failed to rollback (error %i). Leaving "
972 "inconsistent metadata! Unmount and run " 967 "inconsistent metadata! Unmount and run "
diff --git a/fs/ntfs/lcnalloc.h b/fs/ntfs/lcnalloc.h
index e4d7fb98d685..a6a8827882e7 100644
--- a/fs/ntfs/lcnalloc.h
+++ b/fs/ntfs/lcnalloc.h
@@ -2,7 +2,7 @@
2 * lcnalloc.h - Exports for NTFS kernel cluster (de)allocation. Part of the 2 * lcnalloc.h - Exports for NTFS kernel cluster (de)allocation. Part of the
3 * Linux-NTFS project. 3 * Linux-NTFS project.
4 * 4 *
5 * Copyright (c) 2004 Anton Altaparmakov 5 * Copyright (c) 2004-2005 Anton Altaparmakov
6 * 6 *
7 * This program/include file is free software; you can redistribute it and/or 7 * This program/include file is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as published 8 * modify it under the terms of the GNU General Public License as published
@@ -28,6 +28,7 @@
28#include <linux/fs.h> 28#include <linux/fs.h>
29 29
30#include "types.h" 30#include "types.h"
31#include "inode.h"
31#include "runlist.h" 32#include "runlist.h"
32#include "volume.h" 33#include "volume.h"
33 34
@@ -42,18 +43,17 @@ extern runlist_element *ntfs_cluster_alloc(ntfs_volume *vol,
42 const VCN start_vcn, const s64 count, const LCN start_lcn, 43 const VCN start_vcn, const s64 count, const LCN start_lcn,
43 const NTFS_CLUSTER_ALLOCATION_ZONES zone); 44 const NTFS_CLUSTER_ALLOCATION_ZONES zone);
44 45
45extern s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, 46extern s64 __ntfs_cluster_free(ntfs_inode *ni, const VCN start_vcn,
46 s64 count, const BOOL write_locked, const BOOL is_rollback); 47 s64 count, const BOOL is_rollback);
47 48
48/** 49/**
49 * ntfs_cluster_free - free clusters on an ntfs volume 50 * ntfs_cluster_free - free clusters on an ntfs volume
50 * @vi: vfs inode whose runlist describes the clusters to free 51 * @ni: ntfs inode whose runlist describes the clusters to free
51 * @start_vcn: vcn in the runlist of @vi at which to start freeing clusters 52 * @start_vcn: vcn in the runlist of @ni at which to start freeing clusters
52 * @count: number of clusters to free or -1 for all clusters 53 * @count: number of clusters to free or -1 for all clusters
53 * @write_locked: true if the runlist is locked for writing
54 * 54 *
55 * Free @count clusters starting at the cluster @start_vcn in the runlist 55 * Free @count clusters starting at the cluster @start_vcn in the runlist
56 * described by the vfs inode @vi. 56 * described by the ntfs inode @ni.
57 * 57 *
58 * If @count is -1, all clusters from @start_vcn to the end of the runlist are 58 * If @count is -1, all clusters from @start_vcn to the end of the runlist are
59 * deallocated. Thus, to completely free all clusters in a runlist, use 59 * deallocated. Thus, to completely free all clusters in a runlist, use
@@ -65,19 +65,18 @@ extern s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn,
65 * Return the number of deallocated clusters (not counting sparse ones) on 65 * Return the number of deallocated clusters (not counting sparse ones) on
66 * success and -errno on error. 66 * success and -errno on error.
67 * 67 *
68 * Locking: - The runlist described by @vi must be locked on entry and is 68 * Locking: - The runlist described by @ni must be locked for writing on entry
69 * locked on return. Note if the runlist is locked for reading the 69 * and is locked on return. Note the runlist may be modified when
70 * lock may be dropped and reacquired. Note the runlist may be 70 * needed runlist fragments need to be mapped.
71 * modified when needed runlist fragments need to be mapped.
72 * - The volume lcn bitmap must be unlocked on entry and is unlocked 71 * - The volume lcn bitmap must be unlocked on entry and is unlocked
73 * on return. 72 * on return.
74 * - This function takes the volume lcn bitmap lock for writing and 73 * - This function takes the volume lcn bitmap lock for writing and
75 * modifies the bitmap contents. 74 * modifies the bitmap contents.
76 */ 75 */
77static inline s64 ntfs_cluster_free(struct inode *vi, const VCN start_vcn, 76static inline s64 ntfs_cluster_free(ntfs_inode *ni, const VCN start_vcn,
78 s64 count, const BOOL write_locked) 77 s64 count)
79{ 78{
80 return __ntfs_cluster_free(vi, start_vcn, count, write_locked, FALSE); 79 return __ntfs_cluster_free(ni, start_vcn, count, FALSE);
81} 80}
82 81
83extern int ntfs_cluster_free_from_rl_nolock(ntfs_volume *vol, 82extern int ntfs_cluster_free_from_rl_nolock(ntfs_volume *vol,
diff --git a/fs/ntfs/logfile.c b/fs/ntfs/logfile.c
index 0173e95500d9..0fd70295cca6 100644
--- a/fs/ntfs/logfile.c
+++ b/fs/ntfs/logfile.c
@@ -51,7 +51,8 @@ static BOOL ntfs_check_restart_page_header(struct inode *vi,
51 RESTART_PAGE_HEADER *rp, s64 pos) 51 RESTART_PAGE_HEADER *rp, s64 pos)
52{ 52{
53 u32 logfile_system_page_size, logfile_log_page_size; 53 u32 logfile_system_page_size, logfile_log_page_size;
54 u16 usa_count, usa_ofs, usa_end, ra_ofs; 54 u16 ra_ofs, usa_count, usa_ofs, usa_end = 0;
55 BOOL have_usa = TRUE;
55 56
56 ntfs_debug("Entering."); 57 ntfs_debug("Entering.");
57 /* 58 /*
@@ -86,6 +87,14 @@ static BOOL ntfs_check_restart_page_header(struct inode *vi,
86 (int)sle16_to_cpu(rp->minor_ver)); 87 (int)sle16_to_cpu(rp->minor_ver));
87 return FALSE; 88 return FALSE;
88 } 89 }
90 /*
91 * If chkdsk has been run the restart page may not be protected by an
92 * update sequence array.
93 */
94 if (ntfs_is_chkd_record(rp->magic) && !le16_to_cpu(rp->usa_count)) {
95 have_usa = FALSE;
96 goto skip_usa_checks;
97 }
89 /* Verify the size of the update sequence array. */ 98 /* Verify the size of the update sequence array. */
90 usa_count = 1 + (logfile_system_page_size >> NTFS_BLOCK_SIZE_BITS); 99 usa_count = 1 + (logfile_system_page_size >> NTFS_BLOCK_SIZE_BITS);
91 if (usa_count != le16_to_cpu(rp->usa_count)) { 100 if (usa_count != le16_to_cpu(rp->usa_count)) {
@@ -102,6 +111,7 @@ static BOOL ntfs_check_restart_page_header(struct inode *vi,
102 "inconsistent update sequence array offset."); 111 "inconsistent update sequence array offset.");
103 return FALSE; 112 return FALSE;
104 } 113 }
114skip_usa_checks:
105 /* 115 /*
106 * Verify the position of the restart area. It must be: 116 * Verify the position of the restart area. It must be:
107 * - aligned to 8-byte boundary, 117 * - aligned to 8-byte boundary,
@@ -109,7 +119,8 @@ static BOOL ntfs_check_restart_page_header(struct inode *vi,
109 * - within the system page size. 119 * - within the system page size.
110 */ 120 */
111 ra_ofs = le16_to_cpu(rp->restart_area_offset); 121 ra_ofs = le16_to_cpu(rp->restart_area_offset);
112 if (ra_ofs & 7 || ra_ofs < usa_end || 122 if (ra_ofs & 7 || (have_usa ? ra_ofs < usa_end :
123 ra_ofs < sizeof(RESTART_PAGE_HEADER)) ||
113 ra_ofs > logfile_system_page_size) { 124 ra_ofs > logfile_system_page_size) {
114 ntfs_error(vi->i_sb, "$LogFile restart page specifies " 125 ntfs_error(vi->i_sb, "$LogFile restart page specifies "
115 "inconsistent restart area offset."); 126 "inconsistent restart area offset.");
@@ -402,8 +413,12 @@ static int ntfs_check_and_load_restart_page(struct inode *vi,
402 idx++; 413 idx++;
403 } while (to_read > 0); 414 } while (to_read > 0);
404 } 415 }
405 /* Perform the multi sector transfer deprotection on the buffer. */ 416 /*
406 if (post_read_mst_fixup((NTFS_RECORD*)trp, 417 * Perform the multi sector transfer deprotection on the buffer if the
418 * restart page is protected.
419 */
420 if ((!ntfs_is_chkd_record(trp->magic) || le16_to_cpu(trp->usa_count))
421 && post_read_mst_fixup((NTFS_RECORD*)trp,
407 le32_to_cpu(rp->system_page_size))) { 422 le32_to_cpu(rp->system_page_size))) {
408 /* 423 /*
409 * A multi sector tranfer error was detected. We only need to 424 * A multi sector tranfer error was detected. We only need to
@@ -615,11 +630,16 @@ is_empty:
615 * Otherwise just throw it away. 630 * Otherwise just throw it away.
616 */ 631 */
617 if (rstr2_lsn > rstr1_lsn) { 632 if (rstr2_lsn > rstr1_lsn) {
633 ntfs_debug("Using second restart page as it is more "
634 "recent.");
618 ntfs_free(rstr1_ph); 635 ntfs_free(rstr1_ph);
619 rstr1_ph = rstr2_ph; 636 rstr1_ph = rstr2_ph;
620 /* rstr1_lsn = rstr2_lsn; */ 637 /* rstr1_lsn = rstr2_lsn; */
621 } else 638 } else {
639 ntfs_debug("Using first restart page as it is more "
640 "recent.");
622 ntfs_free(rstr2_ph); 641 ntfs_free(rstr2_ph);
642 }
623 rstr2_ph = NULL; 643 rstr2_ph = NULL;
624 } 644 }
625 /* All consistency checks passed. */ 645 /* All consistency checks passed. */
diff --git a/fs/ntfs/logfile.h b/fs/ntfs/logfile.h
index 42388f95ea6d..a51f3dd0e9eb 100644
--- a/fs/ntfs/logfile.h
+++ b/fs/ntfs/logfile.h
@@ -113,7 +113,7 @@ typedef struct {
113 */ 113 */
114enum { 114enum {
115 RESTART_VOLUME_IS_CLEAN = const_cpu_to_le16(0x0002), 115 RESTART_VOLUME_IS_CLEAN = const_cpu_to_le16(0x0002),
116 RESTART_SPACE_FILLER = 0xffff, /* gcc: Force enum bit width to 16. */ 116 RESTART_SPACE_FILLER = const_cpu_to_le16(0xffff), /* gcc: Force enum bit width to 16. */
117} __attribute__ ((__packed__)); 117} __attribute__ ((__packed__));
118 118
119typedef le16 RESTART_AREA_FLAGS; 119typedef le16 RESTART_AREA_FLAGS;
diff --git a/fs/ntfs/malloc.h b/fs/ntfs/malloc.h
index 006946efca8c..590887b943f5 100644
--- a/fs/ntfs/malloc.h
+++ b/fs/ntfs/malloc.h
@@ -40,7 +40,7 @@
40 * Depending on @gfp_mask the allocation may be guaranteed to succeed. 40 * Depending on @gfp_mask the allocation may be guaranteed to succeed.
41 */ 41 */
42static inline void *__ntfs_malloc(unsigned long size, 42static inline void *__ntfs_malloc(unsigned long size,
43 unsigned int __nocast gfp_mask) 43 gfp_t gfp_mask)
44{ 44{
45 if (likely(size <= PAGE_SIZE)) { 45 if (likely(size <= PAGE_SIZE)) {
46 BUG_ON(!size); 46 BUG_ON(!size);
diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c
index 2c32b84385a8..b011369b5956 100644
--- a/fs/ntfs/mft.c
+++ b/fs/ntfs/mft.c
@@ -58,7 +58,8 @@ static inline MFT_RECORD *map_mft_record_page(ntfs_inode *ni)
58 * overflowing the unsigned long, but I don't think we would ever get 58 * overflowing the unsigned long, but I don't think we would ever get
59 * here if the volume was that big... 59 * here if the volume was that big...
60 */ 60 */
61 index = ni->mft_no << vol->mft_record_size_bits >> PAGE_CACHE_SHIFT; 61 index = (u64)ni->mft_no << vol->mft_record_size_bits >>
62 PAGE_CACHE_SHIFT;
62 ofs = (ni->mft_no << vol->mft_record_size_bits) & ~PAGE_CACHE_MASK; 63 ofs = (ni->mft_no << vol->mft_record_size_bits) & ~PAGE_CACHE_MASK;
63 64
64 i_size = i_size_read(mft_vi); 65 i_size = i_size_read(mft_vi);
@@ -1953,7 +1954,7 @@ restore_undo_alloc:
1953 a = ctx->attr; 1954 a = ctx->attr;
1954 a->data.non_resident.highest_vcn = cpu_to_sle64(old_last_vcn - 1); 1955 a->data.non_resident.highest_vcn = cpu_to_sle64(old_last_vcn - 1);
1955undo_alloc: 1956undo_alloc:
1956 if (ntfs_cluster_free(vol->mft_ino, old_last_vcn, -1, TRUE) < 0) { 1957 if (ntfs_cluster_free(mft_ni, old_last_vcn, -1) < 0) {
1957 ntfs_error(vol->sb, "Failed to free clusters from mft data " 1958 ntfs_error(vol->sb, "Failed to free clusters from mft data "
1958 "attribute.%s", es); 1959 "attribute.%s", es);
1959 NVolSetErrors(vol); 1960 NVolSetErrors(vol);
diff --git a/fs/ntfs/unistr.c b/fs/ntfs/unistr.c
index a389a5a16c84..0ea887fc859c 100644
--- a/fs/ntfs/unistr.c
+++ b/fs/ntfs/unistr.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * unistr.c - NTFS Unicode string handling. Part of the Linux-NTFS project. 2 * unistr.c - NTFS Unicode string handling. Part of the Linux-NTFS project.
3 * 3 *
4 * Copyright (c) 2001-2004 Anton Altaparmakov 4 * Copyright (c) 2001-2005 Anton Altaparmakov
5 * 5 *
6 * This program/include file is free software; you can redistribute it and/or 6 * This program/include file is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as published 7 * modify it under the terms of the GNU General Public License as published
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 296480e96dd5..6c8dcf7613fd 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -35,7 +35,7 @@ EXPORT_SYMBOL(posix_acl_permission);
35 * Allocate a new ACL with the specified number of entries. 35 * Allocate a new ACL with the specified number of entries.
36 */ 36 */
37struct posix_acl * 37struct posix_acl *
38posix_acl_alloc(int count, unsigned int __nocast flags) 38posix_acl_alloc(int count, gfp_t flags)
39{ 39{
40 const size_t size = sizeof(struct posix_acl) + 40 const size_t size = sizeof(struct posix_acl) +
41 count * sizeof(struct posix_acl_entry); 41 count * sizeof(struct posix_acl_entry);
@@ -51,7 +51,7 @@ posix_acl_alloc(int count, unsigned int __nocast flags)
51 * Clone an ACL. 51 * Clone an ACL.
52 */ 52 */
53struct posix_acl * 53struct posix_acl *
54posix_acl_clone(const struct posix_acl *acl, unsigned int __nocast flags) 54posix_acl_clone(const struct posix_acl *acl, gfp_t flags)
55{ 55{
56 struct posix_acl *clone = NULL; 56 struct posix_acl *clone = NULL;
57 57
@@ -185,7 +185,7 @@ posix_acl_equiv_mode(const struct posix_acl *acl, mode_t *mode_p)
185 * Create an ACL representing the file mode permission bits of an inode. 185 * Create an ACL representing the file mode permission bits of an inode.
186 */ 186 */
187struct posix_acl * 187struct posix_acl *
188posix_acl_from_mode(mode_t mode, unsigned int __nocast flags) 188posix_acl_from_mode(mode_t mode, gfp_t flags)
189{ 189{
190 struct posix_acl *acl = posix_acl_alloc(3, flags); 190 struct posix_acl *acl = posix_acl_alloc(3, flags);
191 if (!acl) 191 if (!acl)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 3b33f94020db..a170450aadb1 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -103,7 +103,9 @@ enum pid_directory_inos {
103 PROC_TGID_NUMA_MAPS, 103 PROC_TGID_NUMA_MAPS,
104 PROC_TGID_MOUNTS, 104 PROC_TGID_MOUNTS,
105 PROC_TGID_WCHAN, 105 PROC_TGID_WCHAN,
106#ifdef CONFIG_MMU
106 PROC_TGID_SMAPS, 107 PROC_TGID_SMAPS,
108#endif
107#ifdef CONFIG_SCHEDSTATS 109#ifdef CONFIG_SCHEDSTATS
108 PROC_TGID_SCHEDSTAT, 110 PROC_TGID_SCHEDSTAT,
109#endif 111#endif
@@ -141,7 +143,9 @@ enum pid_directory_inos {
141 PROC_TID_NUMA_MAPS, 143 PROC_TID_NUMA_MAPS,
142 PROC_TID_MOUNTS, 144 PROC_TID_MOUNTS,
143 PROC_TID_WCHAN, 145 PROC_TID_WCHAN,
146#ifdef CONFIG_MMU
144 PROC_TID_SMAPS, 147 PROC_TID_SMAPS,
148#endif
145#ifdef CONFIG_SCHEDSTATS 149#ifdef CONFIG_SCHEDSTATS
146 PROC_TID_SCHEDSTAT, 150 PROC_TID_SCHEDSTAT,
147#endif 151#endif
@@ -195,7 +199,9 @@ static struct pid_entry tgid_base_stuff[] = {
195 E(PROC_TGID_ROOT, "root", S_IFLNK|S_IRWXUGO), 199 E(PROC_TGID_ROOT, "root", S_IFLNK|S_IRWXUGO),
196 E(PROC_TGID_EXE, "exe", S_IFLNK|S_IRWXUGO), 200 E(PROC_TGID_EXE, "exe", S_IFLNK|S_IRWXUGO),
197 E(PROC_TGID_MOUNTS, "mounts", S_IFREG|S_IRUGO), 201 E(PROC_TGID_MOUNTS, "mounts", S_IFREG|S_IRUGO),
202#ifdef CONFIG_MMU
198 E(PROC_TGID_SMAPS, "smaps", S_IFREG|S_IRUGO), 203 E(PROC_TGID_SMAPS, "smaps", S_IFREG|S_IRUGO),
204#endif
199#ifdef CONFIG_SECURITY 205#ifdef CONFIG_SECURITY
200 E(PROC_TGID_ATTR, "attr", S_IFDIR|S_IRUGO|S_IXUGO), 206 E(PROC_TGID_ATTR, "attr", S_IFDIR|S_IRUGO|S_IXUGO),
201#endif 207#endif
@@ -235,7 +241,9 @@ static struct pid_entry tid_base_stuff[] = {
235 E(PROC_TID_ROOT, "root", S_IFLNK|S_IRWXUGO), 241 E(PROC_TID_ROOT, "root", S_IFLNK|S_IRWXUGO),
236 E(PROC_TID_EXE, "exe", S_IFLNK|S_IRWXUGO), 242 E(PROC_TID_EXE, "exe", S_IFLNK|S_IRWXUGO),
237 E(PROC_TID_MOUNTS, "mounts", S_IFREG|S_IRUGO), 243 E(PROC_TID_MOUNTS, "mounts", S_IFREG|S_IRUGO),
244#ifdef CONFIG_MMU
238 E(PROC_TID_SMAPS, "smaps", S_IFREG|S_IRUGO), 245 E(PROC_TID_SMAPS, "smaps", S_IFREG|S_IRUGO),
246#endif
239#ifdef CONFIG_SECURITY 247#ifdef CONFIG_SECURITY
240 E(PROC_TID_ATTR, "attr", S_IFDIR|S_IRUGO|S_IXUGO), 248 E(PROC_TID_ATTR, "attr", S_IFDIR|S_IRUGO|S_IXUGO),
241#endif 249#endif
@@ -630,6 +638,7 @@ static struct file_operations proc_numa_maps_operations = {
630}; 638};
631#endif 639#endif
632 640
641#ifdef CONFIG_MMU
633extern struct seq_operations proc_pid_smaps_op; 642extern struct seq_operations proc_pid_smaps_op;
634static int smaps_open(struct inode *inode, struct file *file) 643static int smaps_open(struct inode *inode, struct file *file)
635{ 644{
@@ -648,6 +657,7 @@ static struct file_operations proc_smaps_operations = {
648 .llseek = seq_lseek, 657 .llseek = seq_lseek,
649 .release = seq_release, 658 .release = seq_release,
650}; 659};
660#endif
651 661
652extern struct seq_operations mounts_op; 662extern struct seq_operations mounts_op;
653static int mounts_open(struct inode *inode, struct file *file) 663static int mounts_open(struct inode *inode, struct file *file)
@@ -1681,10 +1691,12 @@ static struct dentry *proc_pident_lookup(struct inode *dir,
1681 case PROC_TGID_MOUNTS: 1691 case PROC_TGID_MOUNTS:
1682 inode->i_fop = &proc_mounts_operations; 1692 inode->i_fop = &proc_mounts_operations;
1683 break; 1693 break;
1694#ifdef CONFIG_MMU
1684 case PROC_TID_SMAPS: 1695 case PROC_TID_SMAPS:
1685 case PROC_TGID_SMAPS: 1696 case PROC_TGID_SMAPS:
1686 inode->i_fop = &proc_smaps_operations; 1697 inode->i_fop = &proc_smaps_operations;
1687 break; 1698 break;
1699#endif
1688#ifdef CONFIG_SECURITY 1700#ifdef CONFIG_SECURITY
1689 case PROC_TID_ATTR: 1701 case PROC_TID_ATTR:
1690 inode->i_nlink = 2; 1702 inode->i_nlink = 2;
diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
index f3bf016d5ee3..cff10ab1af63 100644
--- a/fs/proc/nommu.c
+++ b/fs/proc/nommu.c
@@ -91,6 +91,7 @@ static void *nommu_vma_list_start(struct seq_file *m, loff_t *_pos)
91 next = _rb; 91 next = _rb;
92 break; 92 break;
93 } 93 }
94 pos--;
94 } 95 }
95 96
96 return next; 97 return next;
diff --git a/fs/read_write.c b/fs/read_write.c
index b60324aaa2b6..a091ee4f430d 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -499,6 +499,9 @@ static ssize_t do_readv_writev(int type, struct file *file,
499 ret = rw_verify_area(type, file, pos, tot_len); 499 ret = rw_verify_area(type, file, pos, tot_len);
500 if (ret) 500 if (ret)
501 goto out; 501 goto out;
502 ret = security_file_permission(file, type == READ ? MAY_READ : MAY_WRITE);
503 if (ret)
504 goto out;
502 505
503 fnv = NULL; 506 fnv = NULL;
504 if (type == READ) { 507 if (type == READ) {
diff --git a/fs/relayfs/buffers.c b/fs/relayfs/buffers.c
index 2aa8e2719999..84e21ffa5ca8 100644
--- a/fs/relayfs/buffers.c
+++ b/fs/relayfs/buffers.c
@@ -109,7 +109,7 @@ static void *relay_alloc_buf(struct rchan_buf *buf, unsigned long size)
109 if (unlikely(!buf->page_array[i])) 109 if (unlikely(!buf->page_array[i]))
110 goto depopulate; 110 goto depopulate;
111 } 111 }
112 mem = vmap(buf->page_array, n_pages, GFP_KERNEL, PAGE_KERNEL); 112 mem = vmap(buf->page_array, n_pages, VM_MAP, PAGE_KERNEL);
113 if (!mem) 113 if (!mem)
114 goto depopulate; 114 goto depopulate;
115 115
diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/linux-2.6/kmem.c
index 4b184559f231..d2653b589b1c 100644
--- a/fs/xfs/linux-2.6/kmem.c
+++ b/fs/xfs/linux-2.6/kmem.c
@@ -45,7 +45,7 @@
45 45
46 46
47void * 47void *
48kmem_alloc(size_t size, unsigned int __nocast flags) 48kmem_alloc(size_t size, gfp_t flags)
49{ 49{
50 int retries = 0; 50 int retries = 0;
51 unsigned int lflags = kmem_flags_convert(flags); 51 unsigned int lflags = kmem_flags_convert(flags);
@@ -67,7 +67,7 @@ kmem_alloc(size_t size, unsigned int __nocast flags)
67} 67}
68 68
69void * 69void *
70kmem_zalloc(size_t size, unsigned int __nocast flags) 70kmem_zalloc(size_t size, gfp_t flags)
71{ 71{
72 void *ptr; 72 void *ptr;
73 73
@@ -90,7 +90,7 @@ kmem_free(void *ptr, size_t size)
90 90
91void * 91void *
92kmem_realloc(void *ptr, size_t newsize, size_t oldsize, 92kmem_realloc(void *ptr, size_t newsize, size_t oldsize,
93 unsigned int __nocast flags) 93 gfp_t flags)
94{ 94{
95 void *new; 95 void *new;
96 96
@@ -105,7 +105,7 @@ kmem_realloc(void *ptr, size_t newsize, size_t oldsize,
105} 105}
106 106
107void * 107void *
108kmem_zone_alloc(kmem_zone_t *zone, unsigned int __nocast flags) 108kmem_zone_alloc(kmem_zone_t *zone, gfp_t flags)
109{ 109{
110 int retries = 0; 110 int retries = 0;
111 unsigned int lflags = kmem_flags_convert(flags); 111 unsigned int lflags = kmem_flags_convert(flags);
@@ -124,7 +124,7 @@ kmem_zone_alloc(kmem_zone_t *zone, unsigned int __nocast flags)
124} 124}
125 125
126void * 126void *
127kmem_zone_zalloc(kmem_zone_t *zone, unsigned int __nocast flags) 127kmem_zone_zalloc(kmem_zone_t *zone, gfp_t flags)
128{ 128{
129 void *ptr; 129 void *ptr;
130 130
diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h
index 109fcf27e256..ee7010f085bc 100644
--- a/fs/xfs/linux-2.6/kmem.h
+++ b/fs/xfs/linux-2.6/kmem.h
@@ -81,7 +81,7 @@ typedef unsigned long xfs_pflags_t;
81 *(NSTATEP) = *(OSTATEP); \ 81 *(NSTATEP) = *(OSTATEP); \
82} while (0) 82} while (0)
83 83
84static __inline unsigned int kmem_flags_convert(unsigned int __nocast flags) 84static __inline unsigned int kmem_flags_convert(gfp_t flags)
85{ 85{
86 unsigned int lflags = __GFP_NOWARN; /* we'll report problems, if need be */ 86 unsigned int lflags = __GFP_NOWARN; /* we'll report problems, if need be */
87 87
@@ -125,13 +125,12 @@ kmem_zone_destroy(kmem_zone_t *zone)
125 BUG(); 125 BUG();
126} 126}
127 127
128extern void *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast); 128extern void *kmem_zone_zalloc(kmem_zone_t *, gfp_t);
129extern void *kmem_zone_alloc(kmem_zone_t *, unsigned int __nocast); 129extern void *kmem_zone_alloc(kmem_zone_t *, gfp_t);
130 130
131extern void *kmem_alloc(size_t, unsigned int __nocast); 131extern void *kmem_alloc(size_t, gfp_t);
132extern void *kmem_realloc(void *, size_t, size_t, 132extern void *kmem_realloc(void *, size_t, size_t, gfp_t);
133 unsigned int __nocast); 133extern void *kmem_zalloc(size_t, gfp_t);
134extern void *kmem_zalloc(size_t, unsigned int __nocast);
135extern void kmem_free(void *, size_t); 134extern void kmem_free(void *, size_t);
136 135
137typedef struct shrinker *kmem_shaker_t; 136typedef struct shrinker *kmem_shaker_t;