AuxXxilium/linux_dsm_epyc7002
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Merge tag 'md/4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md

Browse Source 
Pull MD fixes from Shaohua Li:
 "Several patches for MD. One notable is making flush bios sync, others
  fix small issues"

* tag 'md/4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
  md: Make flush bios explicitely sync
  md: report sector of stripes with check mismatches
  md: uuid debug statement now in processor byte order.
  md-cluster: fix potential lock issue in add_new_disk
This commit is contained in:
Linus Torvalds 2017-06-02 11:47:24 -07:00
commit 6f37fa4364
6 changed files with 26 additions and 14 deletions
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8
drivers/md/bitmap.c
View File

@ -485,10 +485,10 @@ void bitmap_print_sb(struct bitmap *bitmap)
pr_debug(" magic: %08x\n", le32_to_cpu(sb->magic));
pr_debug(" version: %d\n", le32_to_cpu(sb->version));
pr_debug(" uuid: %08x.%08x.%08x.%08x\n",
*(__u32 *)(sb->uuid+0),
*(__u32 *)(sb->uuid+4),
*(__u32 *)(sb->uuid+8),
*(__u32 *)(sb->uuid+12));
le32_to_cpu(*(__u32 *)(sb->uuid+0)),
le32_to_cpu(*(__u32 *)(sb->uuid+4)),
le32_to_cpu(*(__u32 *)(sb->uuid+8)),
le32_to_cpu(*(__u32 *)(sb->uuid+12)));
pr_debug(" events: %llu\n",
(unsigned long long) le64_to_cpu(sb->events));
pr_debug("events cleared: %llu\n",

4
drivers/md/md-cluster.c
View File

@ -1311,8 +1311,10 @@ static int add_new_disk(struct mddev *mddev, struct md_rdev *rdev)
cmsg.raid_slot = cpu_to_le32(rdev->desc_nr);
lock_comm(cinfo, 1);
ret = __sendmsg(cinfo, &cmsg);
if (ret)
if (ret) {
unlock_comm(cinfo);
return ret;
}
cinfo->no_new_dev_lockres->flags |= DLM_LKF_NOQUEUE;
ret = dlm_lock_sync(cinfo->no_new_dev_lockres, DLM_LOCK_EX);
cinfo->no_new_dev_lockres->flags &= ~DLM_LKF_NOQUEUE;

2
drivers/md/md.c
View File

@ -765,7 +765,7 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
test_bit(FailFast, &rdev->flags) &&
!test_bit(LastDev, &rdev->flags))
ff = MD_FAILFAST;
bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH | REQ_FUA | ff;
bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH | REQ_FUA | ff;
atomic_inc(&mddev->pending_writes);
submit_bio(bio);

4
drivers/md/raid5-cache.c
View File

@ -1782,7 +1782,7 @@ static int r5l_log_write_empty_meta_block(struct r5l_log *log, sector_t pos,
mb->checksum = cpu_to_le32(crc32c_le(log->uuid_checksum,
mb, PAGE_SIZE));
if (!sync_page_io(log->rdev, pos, PAGE_SIZE, page, REQ_OP_WRITE,
REQ_FUA, false)) {
REQ_SYNC | REQ_FUA, false)) {
__free_page(page);
return -EIO;
}
@ -2388,7 +2388,7 @@ r5c_recovery_rewrite_data_only_stripes(struct r5l_log *log,
mb->checksum = cpu_to_le32(crc32c_le(log->uuid_checksum,
mb, PAGE_SIZE));
sync_page_io(log->rdev, ctx->pos, PAGE_SIZE, page,
REQ_OP_WRITE, REQ_FUA, false);
REQ_OP_WRITE, REQ_SYNC | REQ_FUA, false);
sh->log_start = ctx->pos;
list_add_tail(&sh->r5c, &log->stripe_in_journal_list);
atomic_inc(&log->stripe_in_journal_count);

4
drivers/md/raid5-ppl.c
View File

@ -907,8 +907,8 @@ static int ppl_write_empty_header(struct ppl_log *log)
pplhdr->checksum = cpu_to_le32(~crc32c_le(~0, pplhdr, PAGE_SIZE));
if (!sync_page_io(rdev, rdev->ppl.sector - rdev->data_offset,
PPL_HEADER_SIZE, page, REQ_OP_WRITE | REQ_FUA, 0,
false)) {
PPL_HEADER_SIZE, page, REQ_OP_WRITE | REQ_SYNC |
REQ_FUA, 0, false)) {
md_error(rdev->mddev, rdev);
ret = -EIO;
}

18
drivers/md/raid5.c
View File

@ -4085,10 +4085,15 @@ static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh,
set_bit(STRIPE_INSYNC, &sh->state);
else {
atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches);
if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery))
if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) {
/* don't try to repair!! */
set_bit(STRIPE_INSYNC, &sh->state);
else {
pr_warn_ratelimited("%s: mismatch sector in range "
"%llu-%llu\n", mdname(conf->mddev),
(unsigned long long) sh->sector,
(unsigned long long) sh->sector +
STRIPE_SECTORS);
} else {
sh->check_state = check_state_compute_run;
set_bit(STRIPE_COMPUTE_RUN, &sh->state);
set_bit(STRIPE_OP_COMPUTE_BLK, &s->ops_request);
@ -4237,10 +4242,15 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh,
}
} else {
atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches);
if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery))
if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) {
/* don't try to repair!! */
set_bit(STRIPE_INSYNC, &sh->state);
else {
pr_warn_ratelimited("%s: mismatch sector in range "
"%llu-%llu\n", mdname(conf->mddev),
(unsigned long long) sh->sector,
(unsigned long long) sh->sector +
STRIPE_SECTORS);
} else {
int *target = &sh->ops.target;
sh->ops.target = -1;