md/raid5-cache: clear MD_SB_CHANGE_PENDING before flushing stripes

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In recovery, if we process too much data, raid5-cache may set
MD_SB_CHANGE_PENDING, which causes spinning in handle_stripe().
Fix this issue by clearing the bit before flushing data only
stripes. This issue was initially discussed in [1].

[1] https://www.spinics.net/lists/raid/msg64409.html

Signed-off-by: Song Liu <songliubraving@fb.com>

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This commit is contained in:

Song Liu 2020-07-06 14:57:32 -07:00

parent e1a86dbbbd

commit c9020e64cf

1 changed files with 7 additions and 0 deletions

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drivers/md/raid5-cache.c

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