dm thin: prefetch missing metadata pages

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Prefetch metadata at the start of the worker thread and then again every
128th bio processed from the deferred list.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

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Joe Thornber 2014-10-06 15:28:30 +01:00 • committed by Mike Snitzer

parent 4646015d7e

commit 8a01a6af75

3 changed files with 16 additions and 4 deletions

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5

drivers/md/dm-thin-metadata.c

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5

drivers/md/dm-thin-metadata.h

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10

drivers/md/dm-thin.c

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