diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/efs/inode.c | 25 | ||||
-rw-r--r-- | fs/efs/namei.c | 23 | ||||
-rw-r--r-- | fs/efs/super.c | 16 |
3 files changed, 40 insertions, 24 deletions
diff --git a/fs/efs/inode.c b/fs/efs/inode.c index 174696f9bf14..627c3026946d 100644 --- a/fs/efs/inode.c +++ b/fs/efs/inode.c | |||
@@ -45,17 +45,26 @@ static inline void extent_copy(efs_extent *src, efs_extent *dst) { | |||
45 | return; | 45 | return; |
46 | } | 46 | } |
47 | 47 | ||
48 | void efs_read_inode(struct inode *inode) | 48 | struct inode *efs_iget(struct super_block *super, unsigned long ino) |
49 | { | 49 | { |
50 | int i, inode_index; | 50 | int i, inode_index; |
51 | dev_t device; | 51 | dev_t device; |
52 | u32 rdev; | 52 | u32 rdev; |
53 | struct buffer_head *bh; | 53 | struct buffer_head *bh; |
54 | struct efs_sb_info *sb = SUPER_INFO(inode->i_sb); | 54 | struct efs_sb_info *sb = SUPER_INFO(super); |
55 | struct efs_inode_info *in = INODE_INFO(inode); | 55 | struct efs_inode_info *in; |
56 | efs_block_t block, offset; | 56 | efs_block_t block, offset; |
57 | struct efs_dinode *efs_inode; | 57 | struct efs_dinode *efs_inode; |
58 | 58 | struct inode *inode; | |
59 | |||
60 | inode = iget_locked(super, ino); | ||
61 | if (IS_ERR(inode)) | ||
62 | return ERR_PTR(-ENOMEM); | ||
63 | if (!(inode->i_state & I_NEW)) | ||
64 | return inode; | ||
65 | |||
66 | in = INODE_INFO(inode); | ||
67 | |||
59 | /* | 68 | /* |
60 | ** EFS layout: | 69 | ** EFS layout: |
61 | ** | 70 | ** |
@@ -159,13 +168,13 @@ void efs_read_inode(struct inode *inode) | |||
159 | break; | 168 | break; |
160 | } | 169 | } |
161 | 170 | ||
162 | return; | 171 | unlock_new_inode(inode); |
172 | return inode; | ||
163 | 173 | ||
164 | read_inode_error: | 174 | read_inode_error: |
165 | printk(KERN_WARNING "EFS: failed to read inode %lu\n", inode->i_ino); | 175 | printk(KERN_WARNING "EFS: failed to read inode %lu\n", inode->i_ino); |
166 | make_bad_inode(inode); | 176 | iget_failed(inode); |
167 | 177 | return ERR_PTR(-EIO); | |
168 | return; | ||
169 | } | 178 | } |
170 | 179 | ||
171 | static inline efs_block_t | 180 | static inline efs_block_t |
diff --git a/fs/efs/namei.c b/fs/efs/namei.c index f7f407075be1..e26704742d41 100644 --- a/fs/efs/namei.c +++ b/fs/efs/namei.c | |||
@@ -66,9 +66,10 @@ struct dentry *efs_lookup(struct inode *dir, struct dentry *dentry, struct namei | |||
66 | lock_kernel(); | 66 | lock_kernel(); |
67 | inodenum = efs_find_entry(dir, dentry->d_name.name, dentry->d_name.len); | 67 | inodenum = efs_find_entry(dir, dentry->d_name.name, dentry->d_name.len); |
68 | if (inodenum) { | 68 | if (inodenum) { |
69 | if (!(inode = iget(dir->i_sb, inodenum))) { | 69 | inode = efs_iget(dir->i_sb, inodenum); |
70 | if (IS_ERR(inode)) { | ||
70 | unlock_kernel(); | 71 | unlock_kernel(); |
71 | return ERR_PTR(-EACCES); | 72 | return ERR_CAST(inode); |
72 | } | 73 | } |
73 | } | 74 | } |
74 | unlock_kernel(); | 75 | unlock_kernel(); |
@@ -84,12 +85,11 @@ static struct inode *efs_nfs_get_inode(struct super_block *sb, u64 ino, | |||
84 | 85 | ||
85 | if (ino == 0) | 86 | if (ino == 0) |
86 | return ERR_PTR(-ESTALE); | 87 | return ERR_PTR(-ESTALE); |
87 | inode = iget(sb, ino); | 88 | inode = efs_iget(sb, ino); |
88 | if (inode == NULL) | 89 | if (IS_ERR(inode)) |
89 | return ERR_PTR(-ENOMEM); | 90 | return ERR_CAST(inode); |
90 | 91 | ||
91 | if (is_bad_inode(inode) || | 92 | if (generation && inode->i_generation != generation) { |
92 | (generation && inode->i_generation != generation)) { | ||
93 | iput(inode); | 93 | iput(inode); |
94 | return ERR_PTR(-ESTALE); | 94 | return ERR_PTR(-ESTALE); |
95 | } | 95 | } |
@@ -116,7 +116,7 @@ struct dentry *efs_get_parent(struct dentry *child) | |||
116 | struct dentry *parent; | 116 | struct dentry *parent; |
117 | struct inode *inode; | 117 | struct inode *inode; |
118 | efs_ino_t ino; | 118 | efs_ino_t ino; |
119 | int error; | 119 | long error; |
120 | 120 | ||
121 | lock_kernel(); | 121 | lock_kernel(); |
122 | 122 | ||
@@ -125,10 +125,11 @@ struct dentry *efs_get_parent(struct dentry *child) | |||
125 | if (!ino) | 125 | if (!ino) |
126 | goto fail; | 126 | goto fail; |
127 | 127 | ||
128 | error = -EACCES; | 128 | inode = efs_iget(child->d_inode->i_sb, ino); |
129 | inode = iget(child->d_inode->i_sb, ino); | 129 | if (IS_ERR(inode)) { |
130 | if (!inode) | 130 | error = PTR_ERR(inode); |
131 | goto fail; | 131 | goto fail; |
132 | } | ||
132 | 133 | ||
133 | error = -ENOMEM; | 134 | error = -ENOMEM; |
134 | parent = d_alloc_anon(inode); | 135 | parent = d_alloc_anon(inode); |
diff --git a/fs/efs/super.c b/fs/efs/super.c index c79bc627f107..14082405cdd1 100644 --- a/fs/efs/super.c +++ b/fs/efs/super.c | |||
@@ -107,7 +107,6 @@ static int efs_remount(struct super_block *sb, int *flags, char *data) | |||
107 | static const struct super_operations efs_superblock_operations = { | 107 | static const struct super_operations efs_superblock_operations = { |
108 | .alloc_inode = efs_alloc_inode, | 108 | .alloc_inode = efs_alloc_inode, |
109 | .destroy_inode = efs_destroy_inode, | 109 | .destroy_inode = efs_destroy_inode, |
110 | .read_inode = efs_read_inode, | ||
111 | .put_super = efs_put_super, | 110 | .put_super = efs_put_super, |
112 | .statfs = efs_statfs, | 111 | .statfs = efs_statfs, |
113 | .remount_fs = efs_remount, | 112 | .remount_fs = efs_remount, |
@@ -247,6 +246,7 @@ static int efs_fill_super(struct super_block *s, void *d, int silent) | |||
247 | struct efs_sb_info *sb; | 246 | struct efs_sb_info *sb; |
248 | struct buffer_head *bh; | 247 | struct buffer_head *bh; |
249 | struct inode *root; | 248 | struct inode *root; |
249 | int ret = -EINVAL; | ||
250 | 250 | ||
251 | sb = kzalloc(sizeof(struct efs_sb_info), GFP_KERNEL); | 251 | sb = kzalloc(sizeof(struct efs_sb_info), GFP_KERNEL); |
252 | if (!sb) | 252 | if (!sb) |
@@ -303,12 +303,18 @@ static int efs_fill_super(struct super_block *s, void *d, int silent) | |||
303 | } | 303 | } |
304 | s->s_op = &efs_superblock_operations; | 304 | s->s_op = &efs_superblock_operations; |
305 | s->s_export_op = &efs_export_ops; | 305 | s->s_export_op = &efs_export_ops; |
306 | root = iget(s, EFS_ROOTINODE); | 306 | root = efs_iget(s, EFS_ROOTINODE); |
307 | if (IS_ERR(root)) { | ||
308 | printk(KERN_ERR "EFS: get root inode failed\n"); | ||
309 | ret = PTR_ERR(root); | ||
310 | goto out_no_fs; | ||
311 | } | ||
312 | |||
307 | s->s_root = d_alloc_root(root); | 313 | s->s_root = d_alloc_root(root); |
308 | |||
309 | if (!(s->s_root)) { | 314 | if (!(s->s_root)) { |
310 | printk(KERN_ERR "EFS: get root inode failed\n"); | 315 | printk(KERN_ERR "EFS: get root dentry failed\n"); |
311 | iput(root); | 316 | iput(root); |
317 | ret = -ENOMEM; | ||
312 | goto out_no_fs; | 318 | goto out_no_fs; |
313 | } | 319 | } |
314 | 320 | ||
@@ -318,7 +324,7 @@ out_no_fs_ul: | |||
318 | out_no_fs: | 324 | out_no_fs: |
319 | s->s_fs_info = NULL; | 325 | s->s_fs_info = NULL; |
320 | kfree(sb); | 326 | kfree(sb); |
321 | return -EINVAL; | 327 | return ret; |
322 | } | 328 | } |
323 | 329 | ||
324 | static int efs_statfs(struct dentry *dentry, struct kstatfs *buf) { | 330 | static int efs_statfs(struct dentry *dentry, struct kstatfs *buf) { |