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Li Nan 3829cb3cae md/raid10: use dereference_rdev_and_rrdev() to get devices ...

[ Upstream commit 673643490b ]

Commit 2ae6aaf769 ("md/raid10: fix io loss while replacement replace
rdev") reads replacement first to prevent io loss. However, there are same
issue in wait_blocked_dev() and raid10_handle_discard(), too. Fix it by
using dereference_rdev_and_rrdev() to get devices.

Fixes: d30588b273 ("md/raid10: improve raid10 discard request")
Fixes: f2e7e269a7 ("md/raid10: pull the code that wait for blocked dev into one function")
Signed-off-by: Li Nan <linan122@huawei.com>
Link: https://lore.kernel.org/r/20230701080529.2684932-4-linan666@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2023-09-13 09:42:41 +02:00

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