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md/raid5: Fix spelling mistakes in comments

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Fix spelling of 'waitting' in comments.

Signed-off-by: XU pengfei <xupengfei@nfschina.com>
Signed-off-by: Song Liu <song@kernel.org>
This commit is contained in:
XU pengfei 2022-08-17 17:21:40 +08:00 committed by Song Liu
parent 9713a67067
commit 12ba6676b9
1 changed files with 3 additions and 3 deletions
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6
drivers/md/raid5-cache.c
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@ -1327,9 +1327,9 @@ static void r5l_write_super_and_discard_space(struct r5l_log *log,
* superblock is updated to new log tail. Updating superblock (either
* directly call md_update_sb() or depend on md thread) must hold
* reconfig mutex. On the other hand, raid5_quiesce is called with
* reconfig_mutex hold. The first step of raid5_quiesce() is waitting
* for all IO finish, hence waitting for reclaim thread, while reclaim
* thread is calling this function and waitting for reconfig mutex. So
* reconfig_mutex hold. The first step of raid5_quiesce() is waiting
* for all IO finish, hence waiting for reclaim thread, while reclaim
* thread is calling this function and waiting for reconfig mutex. So
* there is a deadlock. We workaround this issue with a trylock.
* FIXME: we could miss discard if we can't take reconfig mutex
*/