btrfs: use smaller type for btrfs_path reada



The possible values for reada are all positive and bounded, we can later
save some bytes by storing it in u8.

Signed-off-by: David Sterba <dsterba@suse.com>

parent e4058b54

fs/btrfs/ctree.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -596,7 +596,7 @@ struct btrfs_path {
		int slots[BTRFS_MAX_LEVEL];
		/* if there is real range locking, this locks field will change */
		int locks[BTRFS_MAX_LEVEL];
		int reada;
		u8 reada;
		/* keep some upper locks as we walk down */
		int lowest_level;