md/raid10: check replacement and rdev to prevent submit the same io twice

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After commit 4ca40c2ce0 ("md/raid10: Allow replacement device to be
replace old drive."), 'rdev' and 'replacement' could appear to be
identical. There are already checks for that in wait_blocked_dev() and
raid10_write_request(). Add check for raid10_handle_discard() now.

Signed-off-by: Li Nan <linan122@huawei.com>
Link: https://lore.kernel.org/r/20230701080529.2684932-2-linan666@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>

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Li Nan 2023-07-01 16:05:27 +08:00 • committed by Song Liu

parent 21bd9a68fe

commit 7e85c41b9e

1 changed files with 2 additions and 0 deletions

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drivers/md/raid10.c

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