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-rw-r--r--fs/efs/inode.c25
-rw-r--r--fs/efs/namei.c23
-rw-r--r--fs/efs/super.c16
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
48void efs_read_inode(struct inode *inode) 48struct 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
164read_inode_error: 174read_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
171static inline efs_block_t 180static 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)
107static const struct super_operations efs_superblock_operations = { 107static 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:
318out_no_fs: 324out_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
324static int efs_statfs(struct dentry *dentry, struct kstatfs *buf) { 330static int efs_statfs(struct dentry *dentry, struct kstatfs *buf) {