diff options
Diffstat (limited to 'fs/jfs/namei.c')
-rw-r--r-- | fs/jfs/namei.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index 25161c4121e4..932797ba433b 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c | |||
@@ -1477,6 +1477,38 @@ static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, struc | |||
1477 | return dentry; | 1477 | return dentry; |
1478 | } | 1478 | } |
1479 | 1479 | ||
1480 | struct dentry *jfs_get_dentry(struct super_block *sb, void *vobjp) | ||
1481 | { | ||
1482 | __u32 *objp = vobjp; | ||
1483 | unsigned long ino = objp[0]; | ||
1484 | __u32 generation = objp[1]; | ||
1485 | struct inode *inode; | ||
1486 | struct dentry *result; | ||
1487 | |||
1488 | if (ino == 0) | ||
1489 | return ERR_PTR(-ESTALE); | ||
1490 | inode = iget(sb, ino); | ||
1491 | if (inode == NULL) | ||
1492 | return ERR_PTR(-ENOMEM); | ||
1493 | |||
1494 | if (is_bad_inode(inode) || | ||
1495 | (generation && inode->i_generation != generation)) { | ||
1496 | result = ERR_PTR(-ESTALE); | ||
1497 | goto out_iput; | ||
1498 | } | ||
1499 | |||
1500 | result = d_alloc_anon(inode); | ||
1501 | if (!result) { | ||
1502 | result = ERR_PTR(-ENOMEM); | ||
1503 | goto out_iput; | ||
1504 | } | ||
1505 | return result; | ||
1506 | |||
1507 | out_iput: | ||
1508 | iput(inode); | ||
1509 | return result; | ||
1510 | } | ||
1511 | |||
1480 | struct dentry *jfs_get_parent(struct dentry *dentry) | 1512 | struct dentry *jfs_get_parent(struct dentry *dentry) |
1481 | { | 1513 | { |
1482 | struct super_block *sb = dentry->d_inode->i_sb; | 1514 | struct super_block *sb = dentry->d_inode->i_sb; |