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md: fix a build warning 

Warning like this:

drivers/md/md.c: In function "update_array_info":
drivers/md/md.c:6394:26: warning: logical not is only applied
to the left hand side of comparison [-Wlogical-not-parentheses]
      !mddev->persistent  != info->not_persistent||

Fix it as Neil Brown said:
mddev->persistent != !info->not_persistent ||

Signed-off-by: Firo Yang <firogm@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Firo Yang 2015-06-11 09:41:10 +08:00 committed by NeilBrown
parent 713bc5c2de
commit 4e02361232
1 changed files with 1 additions and 1 deletions
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2
drivers/md/md.c
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@ -6394,7 +6394,7 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info)
mddev->ctime != info->ctime ||
mddev->level != info->level ||
/* mddev->layout != info->layout || */
!mddev->persistent != info->not_persistent||
mddev->persistent != !info->not_persistent ||
mddev->chunk_sectors != info->chunk_size >> 9 ||
/* ignore bottom 8 bits of state, and allow SB_BITMAP_PRESENT to change */
((state^info->state) & 0xfffffe00)