From: Shaohua Li <shli@fb.com>
To: linux-raid@vger.kernel.org
Cc: Kernel-team@fb.com, songliubraving@fb.com, hch@infradead.org,
dan.j.williams@intel.com, neilb@suse.de
Subject: [PATCH 0/9]raid5: fix write hole
Date: Wed, 29 Jul 2015 17:38:40 -0700 [thread overview]
Message-ID: <cover.1438215986.git.shli@fb.com> (raw)
Neil,
These are the patches to fix write hole issue. It did everything you requested.
- one meta data type format
- no super block
- format suitable for future extention of caching.
- just fix write hole issue, no caching support
The recovery doesn't use stripe cache yet, need further tweak of the stripe
cache code. I hope it's easy enough. Please let me know how you think.
Thanks,
Shaohua
Shaohua Li (8):
md: override md superblock recovery_offset for cache device
raid5: add basic stripe log
raid5: log reclaim support
raid5: log recovery
raid5: disable batch with log enabled
raid5: don't allow resize/reshape with cache(log) support
raid5: enable log for raid array with cache disk
raid5: skip resync if cache(log) is enabled
Song Liu (1):
MD: add a new disk role to present cache device
drivers/md/Makefile | 2 +-
drivers/md/md.c | 28 +-
drivers/md/md.h | 4 +
drivers/md/raid5-cache.c | 1242 ++++++++++++++++++++++++++++++++++++++++
drivers/md/raid5.c | 51 +-
drivers/md/raid5.h | 19 +
include/uapi/linux/raid/md_p.h | 51 ++
7 files changed, 1388 insertions(+), 9 deletions(-)
create mode 100644 drivers/md/raid5-cache.c
--
1.8.5.6
next reply other threads:[~2015-07-30 0:38 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-30 0:38 Shaohua Li [this message]
2015-07-30 0:38 ` [PATCH 1/9] MD: add a new disk role to present cache device Shaohua Li
2015-08-04 14:28 ` Christoph Hellwig
2015-08-04 18:17 ` Song Liu
2015-08-05 0:25 ` NeilBrown
2015-08-05 1:05 ` NeilBrown
2015-07-30 0:38 ` [PATCH 2/9] md: override md superblock recovery_offset for " Shaohua Li
2015-08-04 14:30 ` Christoph Hellwig
2015-08-05 1:08 ` NeilBrown
2015-07-30 0:38 ` [PATCH 3/9] raid5: add basic stripe log Shaohua Li
2015-08-05 3:07 ` NeilBrown
2015-08-05 21:19 ` Shaohua Li
2015-08-12 3:20 ` NeilBrown
2015-07-30 0:38 ` [PATCH 4/9] raid5: log reclaim support Shaohua Li
2015-08-05 3:43 ` NeilBrown
2015-08-05 21:34 ` Shaohua Li
2015-08-12 3:50 ` NeilBrown
2015-08-05 3:52 ` NeilBrown
2015-07-30 0:38 ` [PATCH 5/9] raid5: log recovery Shaohua Li
2015-08-05 4:05 ` NeilBrown
2015-08-05 21:39 ` Shaohua Li
2015-08-12 3:51 ` NeilBrown
2015-07-30 0:38 ` [PATCH 6/9] raid5: disable batch with log enabled Shaohua Li
2015-07-30 0:38 ` [PATCH 7/9] raid5: don't allow resize/reshape with cache(log) support Shaohua Li
2015-08-05 4:13 ` NeilBrown
2015-08-05 21:42 ` Shaohua Li
2015-08-12 3:57 ` NeilBrown
2015-07-30 0:38 ` [PATCH 8/9] raid5: enable log for raid array with cache disk Shaohua Li
2015-07-30 0:38 ` [PATCH 9/9] raid5: skip resync if cache(log) is enabled Shaohua Li
2015-08-05 4:16 ` NeilBrown
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