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authorYue Hu <huyue2@yulong.com>2021-06-30 18:53:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-07-01 11:06:02 -0700
commitdd794835432c1fbdec5c34ab348ddb641ca2a42d (patch)
tree1921f9d5fef1d729136a620df54ad52f4422bc7e /drivers/block
parent338483372626f9b89ed91ec0b422562ef53b0b12 (diff)
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: Yue Hu <huyue2@yulong.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Acked-by: Minchan Kim <minchan@kernel.org> Cc: Sergey Senozhatsky <senozhatsky@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/zram/zram_drv.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h
index 419a7e8281ee..6e73dc3c2769 100644
--- a/drivers/block/zram/zram_drv.h
+++ b/drivers/block/zram/zram_drv.h
@@ -113,8 +113,8 @@ struct zram {
* zram is claimed so open request will be failed
*/
bool claim; /* Protected by bdev->bd_mutex */
- struct file *backing_dev;
#ifdef CONFIG_ZRAM_WRITEBACK
+ struct file *backing_dev;
spinlock_t wb_limit_lock;
bool wb_limit_enable;
u64 bd_wb_limit;