locks: keep a count of locks on the flctx lists

This makes things a bit more efficient in the cifs and ceph lock
pushing code.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Acked-by: Christoph Hellwig <hch@lst.de>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 94e706a0a408..f87cb2f03103 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -972,6 +972,9 @@ struct file_lock_context {
         struct list_head        flc_flock;
         struct list_head        flc_posix;
         struct list_head        flc_lease;
+        int                     flc_flock_cnt;
+        int                     flc_posix_cnt;
+        int                     flc_lease_cnt;
 };
 
 /* The following constant reflects the upper bound of the file/locking space */