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authorJeff Layton <jlayton@primarydata.com>2015-01-16 15:05:54 -0500
committerJeff Layton <jlayton@primarydata.com>2015-01-16 15:05:54 -0500
commit6dee60f69d48fcef021b4b53b3431797ec440764 (patch)
treed5d8dbc3321788c3d5c0ee146f8219b50a295417 /fs/locks.c
parentcb59670870d90ff8bc31f5f2efc407c6fe4938c0 (diff)
locks: add new struct list_head to struct file_lock
...that we can use to queue file_locks to per-ctx list_heads. Go ahead and convert locks_delete_lock and locks_dispose_list to use it instead of the fl_block list. Signed-off-by: Jeff Layton <jlayton@primarydata.com> Acked-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/locks.c')
-rw-r--r--fs/locks.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/locks.c b/fs/locks.c
index 59e2f905e4ff..bfe5f17401de 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -207,6 +207,7 @@ static struct kmem_cache *filelock_cache __read_mostly;
static void locks_init_lock_heads(struct file_lock *fl)
{
INIT_HLIST_NODE(&fl->fl_link);
+ INIT_LIST_HEAD(&fl->fl_list);
INIT_LIST_HEAD(&fl->fl_block);
init_waitqueue_head(&fl->fl_wait);
}
@@ -243,6 +244,7 @@ EXPORT_SYMBOL_GPL(locks_release_private);
void locks_free_lock(struct file_lock *fl)
{
BUG_ON(waitqueue_active(&fl->fl_wait));
+ BUG_ON(!list_empty(&fl->fl_list));
BUG_ON(!list_empty(&fl->fl_block));
BUG_ON(!hlist_unhashed(&fl->fl_link));
@@ -257,8 +259,8 @@ locks_dispose_list(struct list_head *dispose)
struct file_lock *fl;
while (!list_empty(dispose)) {
- fl = list_first_entry(dispose, struct file_lock, fl_block);
- list_del_init(&fl->fl_block);
+ fl = list_first_entry(dispose, struct file_lock, fl_list);
+ list_del_init(&fl->fl_list);
locks_free_lock(fl);
}
}
@@ -691,7 +693,7 @@ static void locks_delete_lock(struct file_lock **thisfl_p,
locks_unlink_lock(thisfl_p);
if (dispose)
- list_add(&fl->fl_block, dispose);
+ list_add(&fl->fl_list, dispose);
else
locks_free_lock(fl);
}