drbd: allow to select specific bitmap pages for writeout

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We are about to allow several changes to the active set in one activity
log transaction. We have to write out the corresponding bitmap pages as
well, if changed.

Introduce drbd_bm_mark_for_writeout(), then re-use the existing bitmap
writeout path to submit all marked pages in one go.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

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Lars Ellenberg 2011-02-21 13:21:00 +01:00 • committed by Philipp Reisner

parent a9efc748d6

commit 45dfffebd0

2 changed files with 52 additions and 10 deletions

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49

drivers/block/drbd/drbd_bitmap.c

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13

drivers/block/drbd/drbd_int.h

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