btrfs: switch extent_buffer::lock_nested to bool

The member is tracking simple status of the lock, we can use bool for
that and make some room for further space reduction in the structure.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c
index 3f7b5989e31e..6df03ba36026 100644
--- a/fs/btrfs/locking.c
+++ b/fs/btrfs/locking.c
@@ -172,7 +172,7 @@ again:
                  * called on a partly (write-)locked tree.
                  */
                 BUG_ON(eb->lock_nested);
-                eb->lock_nested = 1;
+                eb->lock_nested = true;
                 read_unlock(&eb->lock);
                 return;
         }
@@ -261,7 +261,7 @@ void btrfs_tree_read_unlock(struct extent_buffer *eb)
          * field only matters to the lock owner.
          */
         if (eb->lock_nested && current->pid == eb->lock_owner) {
-                eb->lock_nested = 0;
+                eb->lock_nested = false;
                 return;
         }
         btrfs_assert_tree_read_locked(eb);
@@ -282,7 +282,7 @@ void btrfs_tree_read_unlock_blocking(struct extent_buffer *eb)
          * field only matters to the lock owner.
          */
         if (eb->lock_nested && current->pid == eb->lock_owner) {
-                eb->lock_nested = 0;
+                eb->lock_nested = false;
                 return;
         }
         btrfs_assert_tree_read_locked(eb);