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-rw-r--r--fs/dcache.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index d30ce699ae4b..7a5b51440afa 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -106,8 +106,7 @@ static inline struct hlist_bl_head *d_hash(const struct dentry *parent,
unsigned int hash)
{
hash += (unsigned long) parent / L1_CACHE_BYTES;
- hash = hash + (hash >> d_hash_shift);
- return dentry_hashtable + (hash & d_hash_mask);
+ return dentry_hashtable + hash_32(hash, d_hash_shift);
}
/* Statistics gathering. */
@@ -2656,6 +2655,12 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon)
dentry->d_parent = dentry;
list_del_init(&dentry->d_u.d_child);
anon->d_parent = dparent;
+ if (likely(!d_unhashed(anon))) {
+ hlist_bl_lock(&anon->d_sb->s_anon);
+ __hlist_bl_del(&anon->d_hash);
+ anon->d_hash.pprev = NULL;
+ hlist_bl_unlock(&anon->d_sb->s_anon);
+ }
list_move(&anon->d_u.d_child, &dparent->d_subdirs);
write_seqcount_end(&dentry->d_seq);
@@ -2714,7 +2719,6 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry)
write_seqlock(&rename_lock);
__d_materialise_dentry(dentry, new);
write_sequnlock(&rename_lock);
- __d_drop(new);
_d_rehash(new);
spin_unlock(&new->d_lock);
spin_unlock(&inode->i_lock);
@@ -2778,7 +2782,6 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
* could splice into our tree? */
__d_materialise_dentry(dentry, alias);
write_sequnlock(&rename_lock);
- __d_drop(alias);
goto found;
} else {
/* Nope, but we must(!) avoid directory