diff options
| -rw-r--r-- | fs/namei.c | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/fs/namei.c b/fs/namei.c index f6f3ef47bc74..d1a5dfeaf999 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1217,16 +1217,6 @@ static int do_lookup(struct nameidata *nd, struct qstr *name, int err; /* - * See if the low-level filesystem might want - * to use its own hash.. - */ - if (unlikely(parent->d_flags & DCACHE_OP_HASH)) { - err = parent->d_op->d_hash(parent, nd->inode, name); - if (err < 0) - return err; - } - - /* * Rename seqlock is not required here because in the off chance * of a false negative due to a concurrent rename, we're going to * do the non-racy lookup, below. @@ -1414,8 +1404,16 @@ static int link_path_walk(const char *name, struct nameidata *nd) case 1: type = LAST_DOT; } - if (likely(type == LAST_NORM)) + if (likely(type == LAST_NORM)) { + struct dentry *parent = nd->path.dentry; nd->flags &= ~LOOKUP_JUMPED; + if (unlikely(parent->d_flags & DCACHE_OP_HASH)) { + err = parent->d_op->d_hash(parent, nd->inode, + &this); + if (err < 0) + break; + } + } /* remove trailing slashes? */ if (!c) @@ -1723,17 +1721,6 @@ static struct dentry *__lookup_hash(struct qstr *name, return ERR_PTR(err); /* - * See if the low-level filesystem might want - * to use its own hash.. - */ - if (base->d_flags & DCACHE_OP_HASH) { - err = base->d_op->d_hash(base, inode, name); - dentry = ERR_PTR(err); - if (err < 0) - goto out; - } - - /* * Don't bother with __d_lookup: callers are for creat as * well as unlink, so a lot of the time it would cost * a double lookup. @@ -1745,7 +1732,7 @@ static struct dentry *__lookup_hash(struct qstr *name, if (!dentry) dentry = d_alloc_and_lookup(base, name, nd); -out: + return dentry; } @@ -1791,6 +1778,15 @@ struct dentry *lookup_one_len(const char *name, struct dentry *base, int len) hash = partial_name_hash(c, hash); } this.hash = end_name_hash(hash); + /* + * See if the low-level filesystem might want + * to use its own hash.. + */ + if (base->d_flags & DCACHE_OP_HASH) { + int err = base->d_op->d_hash(base, base->d_inode, &this); + if (err < 0) + return ERR_PTR(err); + } return __lookup_hash(&this, base, NULL); } |