diff options
Diffstat (limited to 'fs/jfs/namei.c')
-rw-r--r-- | fs/jfs/namei.c | 49 |
1 files changed, 17 insertions, 32 deletions
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index eaaf2b511e89..03787ef6a118 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -1456,34 +1456,23 @@ static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, struc ino_t inum; struct inode *ip; struct component_name key; - const char *name = dentry->d_name.name; - int len = dentry->d_name.len; int rc; - jfs_info("jfs_lookup: name = %s", name); - - if ((name[0] == '.') && (len == 1)) - inum = dip->i_ino; - else if (strcmp(name, "..") == 0) - inum = PARENT(dip); - else { - if ((rc = get_UCSname(&key, dentry))) - return ERR_PTR(rc); - rc = dtSearch(dip, &key, &inum, &btstack, JFS_LOOKUP); - free_UCSname(&key); - if (rc == -ENOENT) { - d_add(dentry, NULL); - return NULL; - } else if (rc) { - jfs_err("jfs_lookup: dtSearch returned %d", rc); - return ERR_PTR(rc); - } - } - - ip = jfs_iget(dip->i_sb, inum); - if (IS_ERR(ip)) { - jfs_err("jfs_lookup: iget failed on inum %d", (uint) inum); - return ERR_CAST(ip); + jfs_info("jfs_lookup: name = %s", dentry->d_name.name); + + if ((rc = get_UCSname(&key, dentry))) + return ERR_PTR(rc); + rc = dtSearch(dip, &key, &inum, &btstack, JFS_LOOKUP); + free_UCSname(&key); + if (rc == -ENOENT) { + ip = NULL; + } else if (rc) { + jfs_err("jfs_lookup: dtSearch returned %d", rc); + ip = ERR_PTR(rc); + } else { + ip = jfs_iget(dip->i_sb, inum); + if (IS_ERR(ip)) + jfs_err("jfs_lookup: iget failed on inum %d", (uint)inum); } return d_splice_alias(ip, dentry); @@ -1597,8 +1586,6 @@ out: static int jfs_ci_revalidate(struct dentry *dentry, struct nameidata *nd) { - if (nd && nd->flags & LOOKUP_RCU) - return -ECHILD; /* * This is not negative dentry. Always valid. * @@ -1624,10 +1611,8 @@ static int jfs_ci_revalidate(struct dentry *dentry, struct nameidata *nd) * case sensitive name which is specified by user if this is * for creation. */ - if (!(nd->flags & (LOOKUP_CONTINUE | LOOKUP_PARENT))) { - if (nd->flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET)) - return 0; - } + if (nd->flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET)) + return 0; return 1; } |