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>
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 5759671..6f671c71 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 */
};