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Merge tag 'md/4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md

Browse Source 
Pull MD updates from Shaohua Li:
 "This update mainly fixes bugs:

   - Make raid5 ppl support several ppl from Pawel

   - Several raid5-cache bug fixes from Song

   - Bitmap fixes from Neil and Me

   - One raid1/10 regression fix since 4.12 from Me

   - Other small fixes and cleanup"

* tag 'md/4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
  md/bitmap: disable bitmap_resize for file-backed bitmaps.
  raid5-ppl: Recovery support for multiple partial parity logs
  md: Runtime support for multiple ppls
  md/raid0: attach correct cgroup info in bio
  lib/raid6: align AVX512 constants to 512 bits, not bytes
  raid5: remove raid5_build_block
  md/r5cache: call mddev_lock/unlock() in r5c_journal_mode_show
  md: replace seq_release_private with seq_release
  md: notify about new spare disk in the container
  md/raid1/10: reset bio allocated from mempool
  md/raid5: release/flush io in raid5_do_work()
  md/bitmap: copy correct data for bitmap super
This commit is contained in:
Linus Torvalds 2017-09-07 12:41:48 -07:00
commit 3645e6d0dc
12 changed files with 232 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
block/bio.c
View File

@ -2089,7 +2089,7 @@ void bio_clone_blkcg_association(struct bio *dst, struct bio *src)
if (src->bi_css)
WARN_ON(bio_associate_blkcg(dst, src->bi_css));
}
EXPORT_SYMBOL_GPL(bio_clone_blkcg_association);
#endif /* CONFIG_BLK_CGROUP */
static void __init biovec_init_slabs(void)

9
drivers/md/bitmap.c
View File

@ -625,7 +625,7 @@ static int bitmap_read_sb(struct bitmap *bitmap)
err = read_sb_page(bitmap->mddev,
offset,
sb_page,
0, sizeof(bitmap_super_t));
0, PAGE_SIZE);
}
if (err)
return err;
@ -2058,6 +2058,11 @@ int bitmap_resize(struct bitmap *bitmap, sector_t blocks,
long pages;
struct bitmap_page *new_bp;
if (bitmap->storage.file && !init) {
pr_info("md: cannot resize file-based bitmap\n");
return -EINVAL;
}
if (chunksize == 0) {
/* If there is enough space, leave the chunk size unchanged,
* else increase by factor of two until there is enough space.
@ -2118,7 +2123,7 @@ int bitmap_resize(struct bitmap *bitmap, sector_t blocks,
if (store.sb_page && bitmap->storage.sb_page)
memcpy(page_address(store.sb_page),
page_address(bitmap->storage.sb_page),
sizeof(bitmap_super_t));
PAGE_SIZE);
bitmap_file_unmap(&bitmap->storage);
bitmap->storage = store;

18
drivers/md/md.c
View File

@ -1538,7 +1538,8 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
} else if (sb->bblog_offset != 0)
rdev->badblocks.shift = 0;
if (le32_to_cpu(sb->feature_map) & MD_FEATURE_PPL) {
if ((le32_to_cpu(sb->feature_map) &
(MD_FEATURE_PPL | MD_FEATURE_MULTIPLE_PPLS))) {
rdev->ppl.offset = (__s16)le16_to_cpu(sb->ppl.offset);
rdev->ppl.size = le16_to_cpu(sb->ppl.size);
rdev->ppl.sector = rdev->sb_start + rdev->ppl.offset;
@ -1657,10 +1658,15 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
if (le32_to_cpu(sb->feature_map) & MD_FEATURE_JOURNAL)
set_bit(MD_HAS_JOURNAL, &mddev->flags);
if (le32_to_cpu(sb->feature_map) & MD_FEATURE_PPL) {
if (le32_to_cpu(sb->feature_map) &
(MD_FEATURE_PPL | MD_FEATURE_MULTIPLE_PPLS)) {
if (le32_to_cpu(sb->feature_map) &
(MD_FEATURE_BITMAP_OFFSET | MD_FEATURE_JOURNAL))
return -EINVAL;
if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_PPL) &&
(le32_to_cpu(sb->feature_map) &
MD_FEATURE_MULTIPLE_PPLS))
return -EINVAL;
set_bit(MD_HAS_PPL, &mddev->flags);
}
} else if (mddev->pers == NULL) {
@ -1877,6 +1883,10 @@ static void super_1_sync(struct mddev *mddev, struct md_rdev *rdev)
sb->feature_map |= cpu_to_le32(MD_FEATURE_JOURNAL);
if (test_bit(MD_HAS_PPL, &mddev->flags)) {
if (test_bit(MD_HAS_MULTIPLE_PPLS, &mddev->flags))
sb->feature_map |=
cpu_to_le32(MD_FEATURE_MULTIPLE_PPLS);
else
sb->feature_map |= cpu_to_le32(MD_FEATURE_PPL);
sb->ppl.offset = cpu_to_le16(rdev->ppl.offset);
sb->ppl.size = cpu_to_le16(rdev->ppl.size);
@ -4285,6 +4295,8 @@ new_dev_store(struct mddev *mddev, const char *buf, size_t len)
if (err)
export_rdev(rdev);
mddev_unlock(mddev);
if (!err)
md_new_event(mddev);
return err ? err : len;
}
@ -7838,7 +7850,7 @@ static const struct file_operations md_seq_fops = {
.open = md_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release_private,
.release = seq_release,
.poll = mdstat_poll,
};

1
drivers/md/md.h
View File

@ -236,6 +236,7 @@ enum mddev_flags {
* never cause the array to become failed.
*/
MD_HAS_PPL, /* The raid array has PPL feature set */
MD_HAS_MULTIPLE_PPLS, /* The raid array has multiple PPLs feature set */
};
enum mddev_sb_flags {

4
drivers/md/raid0.c
View File

@ -30,7 +30,8 @@
((1L << MD_HAS_JOURNAL) | \
(1L << MD_JOURNAL_CLEAN) | \
(1L << MD_FAILFAST_SUPPORTED) |\
(1L << MD_HAS_PPL))
(1L << MD_HAS_PPL) | \
(1L << MD_HAS_MULTIPLE_PPLS))
static int raid0_congested(struct mddev *mddev, int bits)
{
@ -539,6 +540,7 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio)
!discard_bio)
continue;
bio_chain(discard_bio, bio);
bio_clone_blkcg_association(discard_bio, bio);
if (mddev->gendisk)
trace_block_bio_remap(bdev_get_queue(rdev->bdev),
discard_bio, disk_devt(mddev->gendisk),

22
drivers/md/raid1.c
View File

@ -48,7 +48,8 @@
#define UNSUPPORTED_MDDEV_FLAGS \
((1L << MD_HAS_JOURNAL) | \
(1L << MD_JOURNAL_CLEAN) | \
(1L << MD_HAS_PPL))
(1L << MD_HAS_PPL) | \
(1L << MD_HAS_MULTIPLE_PPLS))
/*
* Number of guaranteed r1bios in case of extreme VM load:
@ -2560,6 +2561,23 @@ static int init_resync(struct r1conf *conf)
return 0;
}
static struct r1bio *raid1_alloc_init_r1buf(struct r1conf *conf)
{
struct r1bio *r1bio = mempool_alloc(conf->r1buf_pool, GFP_NOIO);
struct resync_pages *rps;
struct bio *bio;
int i;
for (i = conf->poolinfo->raid_disks; i--; ) {
bio = r1bio->bios[i];
rps = bio->bi_private;
bio_reset(bio);
bio->bi_private = rps;
}
r1bio->master_bio = NULL;
return r1bio;
}
/*
* perform a "sync" on one "block"
*
@ -2645,7 +2663,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr,
bitmap_cond_end_sync(mddev->bitmap, sector_nr,
mddev_is_clustered(mddev) && (sector_nr + 2 * RESYNC_SECTORS > conf->cluster_sync_high));
r1_bio = mempool_alloc(conf->r1buf_pool, GFP_NOIO);
r1_bio = raid1_alloc_init_r1buf(conf);
raise_barrier(conf, sector_nr);

35
drivers/md/raid10.c
View File

@ -2796,6 +2796,35 @@ static int init_resync(struct r10conf *conf)
return 0;
}
static struct r10bio *raid10_alloc_init_r10buf(struct r10conf *conf)
{
struct r10bio *r10bio = mempool_alloc(conf->r10buf_pool, GFP_NOIO);
struct rsync_pages *rp;
struct bio *bio;
int nalloc;
int i;
if (test_bit(MD_RECOVERY_SYNC, &conf->mddev->recovery) ||
test_bit(MD_RECOVERY_RESHAPE, &conf->mddev->recovery))
nalloc = conf->copies; /* resync */
else
nalloc = 2; /* recovery */
for (i = 0; i < nalloc; i++) {
bio = r10bio->devs[i].bio;
rp = bio->bi_private;
bio_reset(bio);
bio->bi_private = rp;
bio = r10bio->devs[i].repl_bio;
if (bio) {
rp = bio->bi_private;
bio_reset(bio);
bio->bi_private = rp;
}
}
return r10bio;
}
/*
* perform a "sync" on one "block"
*
@ -3025,7 +3054,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
atomic_inc(&mreplace->nr_pending);
rcu_read_unlock();
r10_bio = mempool_alloc(conf->r10buf_pool, GFP_NOIO);
r10_bio = raid10_alloc_init_r10buf(conf);
r10_bio->state = 0;
raise_barrier(conf, rb2 != NULL);
atomic_set(&r10_bio->remaining, 0);
@ -3234,7 +3263,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
}
if (sync_blocks < max_sync)
max_sync = sync_blocks;
r10_bio = mempool_alloc(conf->r10buf_pool, GFP_NOIO);
r10_bio = raid10_alloc_init_r10buf(conf);
r10_bio->state = 0;
r10_bio->mddev = mddev;
@ -4358,7 +4387,7 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr,
read_more:
/* Now schedule reads for blocks from sector_nr to last */
r10_bio = mempool_alloc(conf->r10buf_pool, GFP_NOIO);
r10_bio = raid10_alloc_init_r10buf(conf);
r10_bio->state = 0;
raise_barrier(conf, sectors_done != 0);
atomic_set(&r10_bio->remaining, 0);

12
drivers/md/raid5-cache.c
View File

@ -2529,11 +2529,18 @@ static void r5l_write_super(struct r5l_log *log, sector_t cp)
static ssize_t r5c_journal_mode_show(struct mddev *mddev, char *page)
{
struct r5conf *conf = mddev->private;
struct r5conf *conf;
int ret;
if (!conf->log)
ret = mddev_lock(mddev);
if (ret)
return ret;
conf = mddev->private;
if (!conf || !conf->log) {
mddev_unlock(mddev);
return 0;
}
switch (conf->log->r5c_journal_mode) {
case R5C_JOURNAL_MODE_WRITE_THROUGH:
@ -2551,6 +2558,7 @@ static ssize_t r5c_journal_mode_show(struct mddev *mddev, char *page)
default:
ret = 0;
}
mddev_unlock(mddev);
return ret;
}

137
drivers/md/raid5-ppl.c
View File

@ -87,6 +87,8 @@
* The current io_unit accepting new stripes is always at the end of the list.
*/
#define PPL_SPACE_SIZE (128 * 1024)
struct ppl_conf {
struct mddev *mddev;
@ -122,6 +124,10 @@ struct ppl_log {
* always at the end of io_list */
spinlock_t io_list_lock;
struct list_head io_list; /* all io_units of this log */
sector_t next_io_sector;
unsigned int entry_space;
bool use_multippl;
};
#define PPL_IO_INLINE_BVECS 32
@ -264,13 +270,12 @@ static int ppl_log_stripe(struct ppl_log *log, struct stripe_head *sh)
int i;
sector_t data_sector = 0;
int data_disks = 0;
unsigned int entry_space = (log->rdev->ppl.size << 9) - PPL_HEADER_SIZE;
struct r5conf *conf = sh->raid_conf;
pr_debug("%s: stripe: %llu\n", __func__, (unsigned long long)sh->sector);
/* check if current io_unit is full */
if (io && (io->pp_size == entry_space ||
if (io && (io->pp_size == log->entry_space ||
io->entries_count == PPL_HDR_MAX_ENTRIES)) {
pr_debug("%s: add io_unit blocked by seq: %llu\n",
__func__, io->seq);
@ -451,12 +456,25 @@ static void ppl_submit_iounit(struct ppl_io_unit *io)
pplhdr->entries_count = cpu_to_le32(io->entries_count);
pplhdr->checksum = cpu_to_le32(~crc32c_le(~0, pplhdr, PPL_HEADER_SIZE));
/* Rewind the buffer if current PPL is larger then remaining space */
if (log->use_multippl &&
log->rdev->ppl.sector + log->rdev->ppl.size - log->next_io_sector <
(PPL_HEADER_SIZE + io->pp_size) >> 9)
log->next_io_sector = log->rdev->ppl.sector;
bio->bi_end_io = ppl_log_endio;
bio->bi_opf = REQ_OP_WRITE | REQ_FUA;
bio_set_dev(bio, log->rdev->bdev);
bio->bi_iter.bi_sector = log->rdev->ppl.sector;
bio->bi_iter.bi_sector = log->next_io_sector;
bio_add_page(bio, io->header_page, PAGE_SIZE, 0);
pr_debug("%s: log->current_io_sector: %llu\n", __func__,
(unsigned long long)log->next_io_sector);
if (log->use_multippl)
log->next_io_sector += (PPL_HEADER_SIZE + io->pp_size) >> 9;
list_for_each_entry(sh, &io->stripe_list, log_list) {
/* entries for full stripe writes have no partial parity */
if (test_bit(STRIPE_FULL_WRITE, &sh->state))
@ -813,12 +831,14 @@ static int ppl_recover_entry(struct ppl_log *log, struct ppl_header_entry *e,
return ret;
}
static int ppl_recover(struct ppl_log *log, struct ppl_header *pplhdr)
static int ppl_recover(struct ppl_log *log, struct ppl_header *pplhdr,
sector_t offset)
{
struct ppl_conf *ppl_conf = log->ppl_conf;
struct md_rdev *rdev = log->rdev;
struct mddev *mddev = rdev->mddev;
sector_t ppl_sector = rdev->ppl.sector + (PPL_HEADER_SIZE >> 9);
sector_t ppl_sector = rdev->ppl.sector + offset +
(PPL_HEADER_SIZE >> 9);
struct page *page;
int i;
int ret = 0;
@ -902,6 +922,9 @@ static int ppl_write_empty_header(struct ppl_log *log)
return -ENOMEM;
pplhdr = page_address(page);
/* zero out PPL space to avoid collision with old PPLs */
blkdev_issue_zeroout(rdev->bdev, rdev->ppl.sector,
log->rdev->ppl.size, GFP_NOIO, 0);
memset(pplhdr->reserved, 0xff, PPL_HDR_RESERVED);
pplhdr->signature = cpu_to_le32(log->ppl_conf->signature);
pplhdr->checksum = cpu_to_le32(~crc32c_le(~0, pplhdr, PAGE_SIZE));
@ -922,24 +945,36 @@ static int ppl_load_distributed(struct ppl_log *log)
struct ppl_conf *ppl_conf = log->ppl_conf;
struct md_rdev *rdev = log->rdev;
struct mddev *mddev = rdev->mddev;
struct page *page;
struct ppl_header *pplhdr;
struct page *page, *page2, *tmp;
struct ppl_header *pplhdr = NULL, *prev_pplhdr = NULL;
u32 crc, crc_stored;
u32 signature;
int ret = 0;
int ret = 0, i;
sector_t pplhdr_offset = 0, prev_pplhdr_offset = 0;
pr_debug("%s: disk: %d\n", __func__, rdev->raid_disk);
/* read PPL header */
/* read PPL headers, find the recent one */
page = alloc_page(GFP_KERNEL);
if (!page)
return -ENOMEM;
if (!sync_page_io(rdev, rdev->ppl.sector - rdev->data_offset,
PAGE_SIZE, page, REQ_OP_READ, 0, false)) {
page2 = alloc_page(GFP_KERNEL);
if (!page2) {
__free_page(page);
return -ENOMEM;
}
/* searching ppl area for latest ppl */
while (pplhdr_offset < rdev->ppl.size - (PPL_HEADER_SIZE >> 9)) {
if (!sync_page_io(rdev,
rdev->ppl.sector - rdev->data_offset +
pplhdr_offset, PAGE_SIZE, page, REQ_OP_READ,
0, false)) {
md_error(mddev, rdev);
ret = -EIO;
goto out;
/* if not able to read - don't recover any PPL */
pplhdr = NULL;
break;
}
pplhdr = page_address(page);
@ -949,10 +984,12 @@ static int ppl_load_distributed(struct ppl_log *log)
crc = ~crc32c_le(~0, pplhdr, PAGE_SIZE);
if (crc_stored != crc) {
pr_debug("%s: ppl header crc does not match: stored: 0x%x calculated: 0x%x\n",
__func__, crc_stored, crc);
ppl_conf->mismatch_count++;
goto out;
pr_debug("%s: ppl header crc does not match: stored: 0x%x calculated: 0x%x (offset: %llu)\n",
__func__, crc_stored, crc,
(unsigned long long)pplhdr_offset);
pplhdr = prev_pplhdr;
pplhdr_offset = prev_pplhdr_offset;
break;
}
signature = le32_to_cpu(pplhdr->signature);
@ -964,21 +1001,54 @@ static int ppl_load_distributed(struct ppl_log *log)
*/
ppl_conf->signature = signature;
} else if (ppl_conf->signature != signature) {
pr_debug("%s: ppl header signature does not match: stored: 0x%x configured: 0x%x\n",
__func__, signature, ppl_conf->signature);
ppl_conf->mismatch_count++;
goto out;
pr_debug("%s: ppl header signature does not match: stored: 0x%x configured: 0x%x (offset: %llu)\n",
__func__, signature, ppl_conf->signature,
(unsigned long long)pplhdr_offset);
pplhdr = prev_pplhdr;
pplhdr_offset = prev_pplhdr_offset;
break;
}
if (prev_pplhdr && le64_to_cpu(prev_pplhdr->generation) >
le64_to_cpu(pplhdr->generation)) {
/* previous was newest */
pplhdr = prev_pplhdr;
pplhdr_offset = prev_pplhdr_offset;
break;
}
prev_pplhdr_offset = pplhdr_offset;
prev_pplhdr = pplhdr;
tmp = page;
page = page2;
page2 = tmp;
/* calculate next potential ppl offset */
for (i = 0; i < le32_to_cpu(pplhdr->entries_count); i++)
pplhdr_offset +=
le32_to_cpu(pplhdr->entries[i].pp_size) >> 9;
pplhdr_offset += PPL_HEADER_SIZE >> 9;
}
/* no valid ppl found */
if (!pplhdr)
ppl_conf->mismatch_count++;
else
pr_debug("%s: latest PPL found at offset: %llu, with generation: %llu\n",
__func__, (unsigned long long)pplhdr_offset,
le64_to_cpu(pplhdr->generation));
/* attempt to recover from log if we are starting a dirty array */
if (!mddev->pers && mddev->recovery_cp != MaxSector)
ret = ppl_recover(log, pplhdr);
out:
if (pplhdr && !mddev->pers && mddev->recovery_cp != MaxSector)
ret = ppl_recover(log, pplhdr, pplhdr_offset);
/* write empty header if we are starting the array */
if (!ret && !mddev->pers)
ret = ppl_write_empty_header(log);
__free_page(page);
__free_page(page2);
pr_debug("%s: return: %d mismatch_count: %d recovered_entries: %d\n",
__func__, ret, ppl_conf->mismatch_count,
@ -1031,6 +1101,7 @@ static int ppl_load(struct ppl_conf *ppl_conf)
static void __ppl_exit_log(struct ppl_conf *ppl_conf)
{
clear_bit(MD_HAS_PPL, &ppl_conf->mddev->flags);
clear_bit(MD_HAS_MULTIPLE_PPLS, &ppl_conf->mddev->flags);
kfree(ppl_conf->child_logs);
@ -1099,6 +1170,22 @@ static int ppl_validate_rdev(struct md_rdev *rdev)
return 0;
}
static void ppl_init_child_log(struct ppl_log *log, struct md_rdev *rdev)
{
if ((rdev->ppl.size << 9) >= (PPL_SPACE_SIZE +
PPL_HEADER_SIZE) * 2) {
log->use_multippl = true;
set_bit(MD_HAS_MULTIPLE_PPLS,
&log->ppl_conf->mddev->flags);
log->entry_space = PPL_SPACE_SIZE;
} else {
log->use_multippl = false;
log->entry_space = (log->rdev->ppl.size << 9) -
PPL_HEADER_SIZE;
}
log->next_io_sector = rdev->ppl.sector;
}
int ppl_init_log(struct r5conf *conf)
{
struct ppl_conf *ppl_conf;
@ -1196,6 +1283,7 @@ int ppl_init_log(struct r5conf *conf)
q = bdev_get_queue(rdev->bdev);
if (test_bit(QUEUE_FLAG_WC, &q->queue_flags))
need_cache_flush = true;
ppl_init_child_log(log, rdev);
}
}
@ -1261,6 +1349,7 @@ int ppl_modify_log(struct r5conf *conf, struct md_rdev *rdev, bool add)
if (!ret) {
log->rdev = rdev;
ret = ppl_write_empty_header(log);
ppl_init_child_log(log, rdev);
}
} else {
log->rdev = NULL;

16
drivers/md/raid5.c
View File

@ -494,7 +494,6 @@ static int grow_buffers(struct stripe_head *sh, gfp_t gfp)
return 0;
}
static void raid5_build_block(struct stripe_head *sh, int i, int previous);
static void stripe_set_idx(sector_t stripe, struct r5conf *conf, int previous,
struct stripe_head *sh);
@ -530,7 +529,7 @@ static void init_stripe(struct stripe_head *sh, sector_t sector, int previous)
WARN_ON(1);
}
dev->flags = 0;
raid5_build_block(sh, i, previous);
dev->sector = raid5_compute_blocknr(sh, i, previous);
}
if (read_seqcount_retry(&conf->gen_lock, seq))
goto retry;
@ -2662,14 +2661,6 @@ static void raid5_end_write_request(struct bio *bi)
raid5_release_stripe(sh->batch_head);
}
static void raid5_build_block(struct stripe_head *sh, int i, int previous)
{
struct r5dev *dev = &sh->dev[i];
dev->flags = 0;
dev->sector = raid5_compute_blocknr(sh, i, previous);
}
static void raid5_error(struct mddev *mddev, struct md_rdev *rdev)
{
char b[BDEVNAME_SIZE];
@ -6237,6 +6228,10 @@ static void raid5_do_work(struct work_struct *work)
spin_unlock_irq(&conf->device_lock);
flush_deferred_bios(conf);
r5l_flush_stripe_to_raid(conf->log);
async_tx_issue_pending_all();
blk_finish_plug(&plug);
@ -7243,6 +7238,7 @@ static int raid5_run(struct mddev *mddev)
pr_warn("md/raid:%s: using journal device and PPL not allowed - disabling PPL\n",
mdname(mddev));
clear_bit(MD_HAS_PPL, &mddev->flags);
clear_bit(MD_HAS_MULTIPLE_PPLS, &mddev->flags);
}
if (mddev->private == NULL)

2
include/uapi/linux/raid/md_p.h
View File

@ -327,6 +327,7 @@ struct mdp_superblock_1 {
#define MD_FEATURE_CLUSTERED 256 /* clustered MD */
#define MD_FEATURE_JOURNAL 512 /* support write cache */
#define MD_FEATURE_PPL 1024 /* support PPL */
#define MD_FEATURE_MULTIPLE_PPLS 2048 /* support for multiple PPLs */
#define MD_FEATURE_ALL (MD_FEATURE_BITMAP_OFFSET \
|MD_FEATURE_RECOVERY_OFFSET \
|MD_FEATURE_RESHAPE_ACTIVE \
@ -338,6 +339,7 @@ struct mdp_superblock_1 {
|MD_FEATURE_CLUSTERED \
|MD_FEATURE_JOURNAL \
|MD_FEATURE_PPL \
|MD_FEATURE_MULTIPLE_PPLS \
)
struct r5l_payload_header {

2
lib/raid6/avx512.c
View File

@ -29,7 +29,7 @@
static const struct raid6_avx512_constants {
u64 x1d[8];
} raid6_avx512_constants __aligned(512) = {
} raid6_avx512_constants __aligned(512/8) = {
{ 0x1d1d1d1d1d1d1d1dULL, 0x1d1d1d1d1d1d1d1dULL,
0x1d1d1d1d1d1d1d1dULL, 0x1d1d1d1d1d1d1d1dULL,
0x1d1d1d1d1d1d1d1dULL, 0x1d1d1d1d1d1d1d1dULL,