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md: bypass block throttle for superblock update
[ Upstream commitd6e035aad6
] commit5e2cf333b7
("md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d") introduced a hung bug and will be reverted in next patch, since the issue that commit is fixing is due to md superblock write is throttled by wbt, to fix it, we can have superblock write bypass block layer throttle. Fixes:5e2cf333b7
("md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d") Cc: stable@vger.kernel.org # v5.19+ Suggested-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20231108182216.73611-1-junxiao.bi@oracle.com Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 4 additions and 3 deletions
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@ -964,7 +964,8 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
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bio = bio_alloc_bioset(rdev->meta_bdev ? rdev->meta_bdev : rdev->bdev,
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1,
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REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH | REQ_FUA,
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REQ_OP_WRITE | REQ_SYNC | REQ_IDLE | REQ_META
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| REQ_PREFLUSH | REQ_FUA,
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GFP_NOIO, &mddev->sync_set);
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atomic_inc(&rdev->nr_pending);
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