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[ Upstream commit 873f50ece4 ]
Currently, if reshape is interrupted, echo "reshape" to sync_action will
restart reshape from scratch, for example:
echo frozen > sync_action
echo reshape > sync_action
This will corrupt data before reshape_position if the array is growing,
fix the problem by continue reshape from reshape_position.
Reported-by: Peter Neuwirth <reddunur@online.de>
Link: https://lore.kernel.org/linux-raid/e2f96772-bfbc-f43b-6da1-f520e5164536@online.de/
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230512015610.821290-3-yukuai1@huaweicloud.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
10017 lines
262 KiB
10017 lines
262 KiB