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authorDave Chinner <dchinner@redhat.com>2011-07-08 14:14:40 +1000
committerAl Viro <viro@zeniv.linux.org.uk>2011-07-20 01:44:36 -0400
commit09cc9fc7a7c3d872065426d7fb0f0ad6d3eb90fc (patch)
tree79f6f835dd009ac34bd35ee3ee61e616ec2b255a /fs/super.c
parent98b745c647a5a90c3c21ea43cbfad9a47b0dfad7 (diff)
downloadop-kernel-dev-09cc9fc7a7c3d872065426d7fb0f0ad6d3eb90fc.zip
op-kernel-dev-09cc9fc7a7c3d872065426d7fb0f0ad6d3eb90fc.tar.gz
inode: move to per-sb LRU locks
With the inode LRUs moving to per-sb structures, there is no longer a need for a global inode_lru_lock. The locking can be made more fine-grained by moving to a per-sb LRU lock, isolating the LRU operations of different filesytsems completely from each other. Signed-off-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/super.c')
-rw-r--r--fs/super.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/super.c b/fs/super.c
index e8e6dbf..73ab9f9 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -78,6 +78,7 @@ static struct super_block *alloc_super(struct file_system_type *type)
INIT_LIST_HEAD(&s->s_inodes);
INIT_LIST_HEAD(&s->s_dentry_lru);
INIT_LIST_HEAD(&s->s_inode_lru);
+ spin_lock_init(&s->s_inode_lru_lock);
init_rwsem(&s->s_umount);
mutex_init(&s->s_lock);
lockdep_set_class(&s->s_umount, &type->s_umount_key);
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