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Merge tag 'md-6.15-20250416' of https://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux into block-6.15

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Pull MD fixes from Yu:

"- fix raid10 missing discard IO accounting (Yu Kuai)
 - fix bitmap stats for bitmap file (Zheng Qixing)
 - fix oops while reading all member disks failed during check/repair
   (Meir Elisha)"

* tag 'md-6.15-20250416' of https://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux:
  md/raid1: Add check for missing source disk in process_checks()
  md/md-bitmap: fix stats collection for external bitmaps
  md/raid10: fix missing discard IO accounting
This commit is contained in:
Jens Axboe 2025-04-16 21:08:28 -06:00
commit 31391000c8
3 changed files with 19 additions and 13 deletions
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5
drivers/md/md-bitmap.c
View File

@ -2357,9 +2357,8 @@ static int bitmap_get_stats(void *data, struct md_bitmap_stats *stats)
if (!bitmap)
return -ENOENT;
if (bitmap->mddev->bitmap_info.external)
return -ENOENT;
if (!bitmap->storage.sb_page) /* no superblock */
if (!bitmap->mddev->bitmap_info.external &&
!bitmap->storage.sb_page)
return -EINVAL;
sb = kmap_local_page(bitmap->storage.sb_page);
stats->sync_size = le64_to_cpu(sb->sync_size);

26
drivers/md/raid1.c
View File

@ -2200,14 +2200,9 @@ static int fix_sync_read_error(struct r1bio *r1_bio)
if (!rdev_set_badblocks(rdev, sect, s, 0))
abort = 1;
}
if (abort) {
conf->recovery_disabled =
mddev->recovery_disabled;
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
md_done_sync(mddev, r1_bio->sectors, 0);
put_buf(r1_bio);
if (abort)
return 0;
}
/* Try next page */
sectors -= s;
sect += s;
@ -2346,10 +2341,21 @@ static void sync_request_write(struct mddev *mddev, struct r1bio *r1_bio)
int disks = conf->raid_disks * 2;
struct bio *wbio;
if (!test_bit(R1BIO_Uptodate, &r1_bio->state))
/* ouch - failed to read all of that. */
if (!fix_sync_read_error(r1_bio))
if (!test_bit(R1BIO_Uptodate, &r1_bio->state)) {
/*
* ouch - failed to read all of that.
* No need to fix read error for check/repair
* because all member disks are read.
*/
if (test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery) ||
!fix_sync_read_error(r1_bio)) {
conf->recovery_disabled = mddev->recovery_disabled;
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
md_done_sync(mddev, r1_bio->sectors, 0);
put_buf(r1_bio);
return;
}
}
if (test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery))
process_checks(r1_bio);

1
drivers/md/raid10.c
View File

@ -1735,6 +1735,7 @@ retry_discard:
* The discard bio returns only first r10bio finishes
*/
if (first_copy) {
md_account_bio(mddev, &bio);
r10_bio->master_bio = bio;
set_bit(R10BIO_Discard, &r10_bio->state);
first_copy = false;