f2fs: shrink size of struct discard_cmd

In order to shrink size of struct discard_cmd, change variable type of
@state in struct discard_cmd from int to unsigned char.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 5759671fc948..6f671c719570 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -220,7 +220,7 @@ struct discard_cmd {
 	struct completion wait;		/* compleation */
 	struct block_device *bdev;	/* bdev */
 	unsigned short ref;		/* reference count */
-	int state;			/* state */
+	unsigned char state;		/* state */
 	int error;			/* bio error */
 };