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Diffstat (limited to 'fs/jfs/namei.c')
-rw-r--r--fs/jfs/namei.c49
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;
}