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raid1: copy write hint from master bio to behind bio
author
Mariusz Dabrowski
<mariusz.dabrowski@intel.com>
Wed, 14 Feb 2018 13:23:30 +0000
(14:23 +0100)
committer
Shaohua Li
<shli@fb.com>
Mon, 9 Apr 2018 15:54:34 +0000
(08:54 -0700)
Signed-off-by: Mariusz Dabrowski <mariusz.dabrowski@intel.com>
Reviewed-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Reviewed-by: Pawel Baldysiak <pawel.baldysiak@intel.com>
Signed-off-by: Shaohua Li <shli@fb.com>
drivers/md/raid1.c
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diff --git
a/drivers/md/raid1.c
b/drivers/md/raid1.c
index 6f624311cec22592cc65d9cfd63d681cb3890476..e9e3308cb0a75948e54c135d9b5da2621c073bc6 100644
(file)
--- a/
drivers/md/raid1.c
+++ b/
drivers/md/raid1.c
@@
-1102,6
+1102,8
@@
static void alloc_behind_master_bio(struct r1bio *r1_bio,
goto skip_copy;
}
+ behind_bio->bi_write_hint = bio->bi_write_hint;
+
while (i < vcnt && size) {
struct page *page;
int len = min_t(int, PAGE_SIZE, size);