md/r5cache: handle R5LOG_PAYLOAD_FLUSH in recovery

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This patch adds handling of R5LOG_PAYLOAD_FLUSH in journal recovery.
Next patch will add logic that generate R5LOG_PAYLOAD_FLUSH on flush
finish.

When R5LOG_PAYLOAD_FLUSH is seen in recovery, pending data and parity
will be dropped from recovery. This will reduce the number of stripes
to replay, and thus accelerate the recovery process.

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

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Song Liu 2017-03-07 17:44:21 -08:00 • committed by Shaohua Li

parent ba903a3ea4

commit 2d4f468753

1 changed files with 41 additions and 6 deletions

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47

drivers/md/raid5-cache.c

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