From: Qu Wenruo <wqu@suse.com>
To: linux-btrfs@vger.kernel.org
Cc: linux-block@vger.kernel.org, dm-devel@redhat.com
Subject: [PATCH RFC 11/11] btrfs: temporarily disable RAID56
Date: Sun, 28 Nov 2021 13:52:59 +0800 [thread overview]
Message-ID: <20211128055259.39249-12-wqu@suse.com> (raw)
In-Reply-To: <20211128055259.39249-1-wqu@suse.com>
!!! DON'T MERGE THIS COMMIT !!!
There are still some bugs buried deeply inside RAID56 code which is not
yet compatible with bio split at btrfs_map_bio() time, disable it for
now.
Signed-off-by: Qu Wenruo <wqu@suse.com>
---
fs/btrfs/ctree.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index f1dd2486dcb3..aa0b92312f43 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -295,6 +295,10 @@ static_assert(sizeof(struct btrfs_super_block) == BTRFS_SUPER_INFO_SIZE);
#define BTRFS_FEATURE_COMPAT_RO_SAFE_SET 0ULL
#define BTRFS_FEATURE_COMPAT_RO_SAFE_CLEAR 0ULL
+/*
+ * Temprorayly remove RAID56 from support list due to conflicts with bio
+ * split at btrfs_map_bio() time.
+ */
#define BTRFS_FEATURE_INCOMPAT_SUPP \
(BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF | \
BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL | \
@@ -302,7 +306,6 @@ static_assert(sizeof(struct btrfs_super_block) == BTRFS_SUPER_INFO_SIZE);
BTRFS_FEATURE_INCOMPAT_BIG_METADATA | \
BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO | \
BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD | \
- BTRFS_FEATURE_INCOMPAT_RAID56 | \
BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF | \
BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA | \
BTRFS_FEATURE_INCOMPAT_NO_HOLES | \
--
2.34.0
prev parent reply other threads:[~2021-11-28 5:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-28 5:52 [PATCH RFC 00/11] btrfs: split bio at btrfs_map_bio() time Qu Wenruo
2021-11-28 5:52 ` [PATCH RFC 01/11] btrfs: update an stale comment on btrfs_submit_bio_hook() Qu Wenruo
2021-11-28 5:52 ` [PATCH RFC 02/11] btrfs: refactor btrfs_map_bio() Qu Wenruo
2021-11-28 5:52 ` [PATCH RFC 03/11] btrfs: move btrfs_bio_wq_end_io() calls into submit_stripe_bio() Qu Wenruo
2021-11-28 5:52 ` [PATCH RFC 04/11] btrfs: introduce btrfs_bio_split() helper Qu Wenruo
2021-11-28 5:52 ` [PATCH RFC 05/11] btrfs: save bio::bi_iter into btrfs_bio::iter before submitting Qu Wenruo
2021-11-28 5:52 ` [PATCH RFC 06/11] btrfs: make end_bio_extent_readpage() to handle split bio properly Qu Wenruo
2021-11-28 5:52 ` [PATCH RFC 07/11] btrfs: make end_bio_extent_*_writepage() to handle split biot properly Qu Wenruo
2021-11-28 5:52 ` [PATCH RFC 08/11] btrfs: allow btrfs_map_bio() to split bio according to chunk stripe boundaries Qu Wenruo
2021-11-28 5:52 ` [PATCH RFC 09/11] btrfs: remove bio split operations in btrfs_submit_direct() Qu Wenruo
2021-11-30 13:54 ` [btrfs] 675923ac06: BUG:KASAN:use-after-free_in__blk_queue_split kernel test robot
2021-11-28 5:52 ` [PATCH RFC 10/11] btrfs: remove btrfs_bio_ctrl::len_to_stripe_boundary Qu Wenruo
2021-11-28 5:52 ` Qu Wenruo [this message]
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