Commit dd794835 authored by Yue Hu's avatar Yue Hu Committed by Linus Torvalds
Browse files

zram: move backing_dev under macro CONFIG_ZRAM_WRITEBACK 

backing_dev is never used when not enable CONFIG_ZRAM_WRITEBACK and it's
introduced from writeback feature.  So it's needless also affect
readability in that case.

Link: https://lkml.kernel.org/r/20210521060544.2385-1-zbestahu@gmail.com


Signed-off-by: default avatarYue Hu <huyue2@yulong.com>
Reviewed-by: default avatarSergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: default avatarMinchan Kim <minchan@kernel.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 33848337

drivers/block/zram/zram_drv.h

+1 −1
Original line number Original line Diff line number Diff line
@@ -113,8 +113,8 @@ struct zram { 
	 * zram is claimed so open request will be failed

	 * zram is claimed so open request will be failed

	 */

	 */

	bool claim; /* Protected by bdev->bd_mutex */

	bool claim; /* Protected by bdev->bd_mutex */

	struct file *backing_dev;

#ifdef CONFIG_ZRAM_WRITEBACK

#ifdef CONFIG_ZRAM_WRITEBACK

	struct file *backing_dev;

	spinlock_t wb_limit_lock;

	spinlock_t wb_limit_lock;

	bool wb_limit_enable;

	bool wb_limit_enable;

	u64 bd_wb_limit;

	u64 bd_wb_limit;