diff options
| -rw-r--r-- | fs/sysv/inode.c | 25 | ||||
| -rw-r--r-- | fs/sysv/namei.c | 6 | ||||
| -rw-r--r-- | fs/sysv/super.c | 4 | ||||
| -rw-r--r-- | fs/sysv/sysv.h | 1 |
4 files changed, 22 insertions, 14 deletions
diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index 81ec6c548c07..c5d60de0658f 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -169,20 +169,27 @@ void sysv_set_inode(struct inode *inode, dev_t rdev) init_special_inode(inode, inode->i_mode, rdev); } -static void sysv_read_inode(struct inode *inode) +struct inode *sysv_iget(struct super_block *sb, unsigned int ino) { - struct super_block * sb = inode->i_sb; struct sysv_sb_info * sbi = SYSV_SB(sb); struct buffer_head * bh; struct sysv_inode * raw_inode; struct sysv_inode_info * si; - unsigned int block, ino = inode->i_ino; + struct inode *inode; + unsigned int block; if (!ino || ino > sbi->s_ninodes) { printk("Bad inode number on dev %s: %d is out of range\n", - inode->i_sb->s_id, ino); - goto bad_inode; + sb->s_id, ino); + return ERR_PTR(-EIO); } + + inode = iget_locked(sb, ino); + if (!inode) + return ERR_PTR(-ENOMEM); + if (!(inode->i_state & I_NEW)) + return inode; + raw_inode = sysv_raw_inode(sb, ino, &bh); if (!raw_inode) { printk("Major problem: unable to read inode from dev %s\n", @@ -214,11 +221,12 @@ static void sysv_read_inode(struct inode *inode) old_decode_dev(fs32_to_cpu(sbi, si->i_data[0]))); else sysv_set_inode(inode, 0); - return; + unlock_new_inode(inode); + return inode; bad_inode: - make_bad_inode(inode); - return; + iget_failed(inode); + return ERR_PTR(-EIO); } static struct buffer_head * sysv_update_inode(struct inode * inode) @@ -328,7 +336,6 @@ static void init_once(struct kmem_cache *cachep, void *p) const struct super_operations sysv_sops = { .alloc_inode = sysv_alloc_inode, .destroy_inode = sysv_destroy_inode, - .read_inode = sysv_read_inode, .write_inode = sysv_write_inode, .delete_inode = sysv_delete_inode, .put_super = sysv_put_super, diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index 6bd850b7641a..a1f1ef33e81c 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -53,9 +53,9 @@ static struct dentry *sysv_lookup(struct inode * dir, struct dentry * dentry, st ino = sysv_inode_by_name(dentry); if (ino) { - inode = iget(dir->i_sb, ino); - if (!inode) - return ERR_PTR(-EACCES); + inode = sysv_iget(dir->i_sb, ino); + if (IS_ERR(inode)) + return ERR_CAST(inode); } d_add(dentry, inode); return NULL; diff --git a/fs/sysv/super.c b/fs/sysv/super.c index 6f9707a1b954..5a903da54551 100644 --- a/fs/sysv/super.c +++ b/fs/sysv/super.c @@ -332,8 +332,8 @@ static int complete_read_super(struct super_block *sb, int silent, int size) sb->s_magic = SYSV_MAGIC_BASE + sbi->s_type; /* set up enough so that it can read an inode */ sb->s_op = &sysv_sops; - root_inode = iget(sb,SYSV_ROOT_INO); - if (!root_inode || is_bad_inode(root_inode)) { + root_inode = sysv_iget(sb, SYSV_ROOT_INO); + if (IS_ERR(root_inode)) { printk("SysV FS: get root inode failed\n"); return 0; } diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h index 64c03bdf06a5..42d51d1c05cd 100644 --- a/fs/sysv/sysv.h +++ b/fs/sysv/sysv.h @@ -141,6 +141,7 @@ extern int __sysv_write_begin(struct file *file, struct address_space *mapping, struct page **pagep, void **fsdata); /* inode.c */ +extern struct inode *sysv_iget(struct super_block *, unsigned int); extern int sysv_write_inode(struct inode *, int); extern int sysv_sync_inode(struct inode *); extern int sysv_sync_file(struct file *, struct dentry *, int); |