diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-14 19:33:47 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-14 19:33:47 -0700 |
| commit | caf382fe31b7327a1e4449f1c05c0cc7fb5b90be (patch) | |
| tree | b7b0fcbf594db884a68cbc354ed933b5c8ad6d61 /fs/dcache.c | |
| parent | ea521dbc48c1550a4302c851a1e77f5b84ac8f81 (diff) | |
| parent | 9e82bf014195d6f0054982c463575cdce24292be (diff) | |
Merge 3.17-rc5 into staging-next.
This fixes a merge conflict in lustre, and we want the other fixes that
went into 3.17-rc5 as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/dcache.c')
| -rw-r--r-- | fs/dcache.c | 11 |
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 |