dm log: add flush_header function

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Introduce flush_header and use it to flush the log device.

Note that we don't have to flush if all the regions transition
from "dirty" to "clean" state.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

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Mikulas Patocka 2009-12-10 23:52:00 +00:00 • committed by Alasdair G Kergon

parent b09acf1aa7

commit 20a34a8ecc

1 changed files with 22 additions and 1 deletions

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drivers/md/dm-log.c

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