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Subject[GIT PULL] MD update for 4.14-rc1
Hi,
Please pull MD update for 4.14. The 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

Note, this pull has conflict with block tree, which can be resolved as below:

diff --cc drivers/md/raid5-ppl.c
index 1e237c4,a98ef17..cd026c8
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@@ -451,12 -456,25 +456,25 @@@ static void ppl_submit_iounit(struct pp
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->bi_bdev = log->rdev->bdev;
+ 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))

Thanks,
Shaohua

The following changes since commit 143c97cc652949893c8056c679012f0aeccb80e5:

Revert "pty: fix the cached path of the pty slave file descriptor in the master" (2017-08-23 18:16:11 -0700)

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/shli/md.git tags/md/4.14-rc1

for you to fetch changes up to e8a27f836f165c26f867ece7f31eb5c811692319:

md/bitmap: disable bitmap_resize for file-backed bitmaps. (2017-08-31 22:57:03 -0700)

----------------------------------------------------------------
Alexey Obitotskiy (1):
md: notify about new spare disk in the container

Cihangir Akturk (1):
md: replace seq_release_private with seq_release

Denys Vlasenko (1):
lib/raid6: align AVX512 constants to 512 bits, not bytes

Guoqing Jiang (1):
raid5: remove raid5_build_block

NeilBrown (1):
md/bitmap: disable bitmap_resize for file-backed bitmaps.

Pawel Baldysiak (2):
md: Runtime support for multiple ppls
raid5-ppl: Recovery support for multiple partial parity logs

Shaohua Li (3):
md/bitmap: copy correct data for bitmap super
md/raid1/10: reset bio allocated from mempool
md/raid0: attach correct cgroup info in bio

Song Liu (2):
md/raid5: release/flush io in raid5_do_work()
md/r5cache: call mddev_lock/unlock() in r5c_journal_mode_show

block/bio.c | 2 +-
drivers/md/bitmap.c | 9 ++-
drivers/md/md.c | 20 ++++-
drivers/md/md.h | 1 +
drivers/md/raid0.c | 4 +-
drivers/md/raid1.c | 22 +++++-
drivers/md/raid10.c | 35 ++++++++-
drivers/md/raid5-cache.c | 12 ++-
drivers/md/raid5-ppl.c | 171 +++++++++++++++++++++++++++++++----------
drivers/md/raid5.c | 16 ++--
include/uapi/linux/raid/md_p.h | 4 +-
lib/raid6/avx512.c | 2 +-
12 files changed, 230 insertions(+), 68 deletions(-)

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