md/raid5-cache: use READ_ONCE/WRITE_ONCE for 'conf->log'

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'conf->log' is set with 'reconfig_mutex' grabbed, however, readers are
not procted, hence protect it with READ_ONCE/WRITE_ONCE to prevent
reading abnormal values.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20231010151958.145896-3-yukuai1@huaweicloud.com

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Yu Kuai 2023-10-10 23:19:41 +08:00 • committed by Song Liu

parent 617787f138

commit 06a4d0d8c6

1 changed files with 25 additions and 22 deletions

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drivers/md/raid5-cache.c

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