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authorLinus Torvalds <torvalds@linux-foundation.org>2024-08-16 14:03:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-08-16 14:03:31 -0700
commit85652baa895b59b94bea29c77cb9b51cf7120deb (patch)
tree923d4cc8e49835cc1bdda55fa35172b1281f29b4 /drivers/md/raid1.c
parentc5ac744cdddae82916d4cd35d962d3f47065e68a (diff)
parentb313a8c835516bdda85025500be866ac8a74e022 (diff)
Merge tag 'block-6.11-20240824' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe: - Fix corruption issues with s390/dasd (Eric, Stefan) - Fix a misuse of non irq locking grab of a lock (Li) - MD pull request with a single data corruption fix for raid1 (Yu) * tag 'block-6.11-20240824' of git://git.kernel.dk/linux: block: Fix lockdep warning in blk_mq_mark_tag_wait md/raid1: Fix data corruption for degraded array with slow disk s390/dasd: fix error recovery leading to data corruption on ESE devices s390/dasd: Remove DMA alignment
Diffstat (limited to 'drivers/md/raid1.c')
-rw-r--r--drivers/md/raid1.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 7acfe7c9dc8d..761989d67906 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -617,6 +617,12 @@ static int choose_first_rdev(struct r1conf *conf, struct r1bio *r1_bio,
return -1;
}
+static bool rdev_in_recovery(struct md_rdev *rdev, struct r1bio *r1_bio)
+{
+ return !test_bit(In_sync, &rdev->flags) &&
+ rdev->recovery_offset < r1_bio->sector + r1_bio->sectors;
+}
+
static int choose_bb_rdev(struct r1conf *conf, struct r1bio *r1_bio,
int *max_sectors)
{
@@ -635,6 +641,7 @@ static int choose_bb_rdev(struct r1conf *conf, struct r1bio *r1_bio,
rdev = conf->mirrors[disk].rdev;
if (!rdev || test_bit(Faulty, &rdev->flags) ||
+ rdev_in_recovery(rdev, r1_bio) ||
test_bit(WriteMostly, &rdev->flags))
continue;
@@ -673,7 +680,8 @@ static int choose_slow_rdev(struct r1conf *conf, struct r1bio *r1_bio,
rdev = conf->mirrors[disk].rdev;
if (!rdev || test_bit(Faulty, &rdev->flags) ||
- !test_bit(WriteMostly, &rdev->flags))
+ !test_bit(WriteMostly, &rdev->flags) ||
+ rdev_in_recovery(rdev, r1_bio))
continue;
/* there are no bad blocks, we can use this disk */
@@ -733,9 +741,7 @@ static bool rdev_readable(struct md_rdev *rdev, struct r1bio *r1_bio)
if (!rdev || test_bit(Faulty, &rdev->flags))
return false;
- /* still in recovery */
- if (!test_bit(In_sync, &rdev->flags) &&
- rdev->recovery_offset < r1_bio->sector + r1_bio->sectors)
+ if (rdev_in_recovery(rdev, r1_bio))
return false;
/* don't read from slow disk unless have to */