md/raid10: share pages between read and write bio's during recovery

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When performing a recovery, only first 2 slots in r10_bio are in use,
for read and write respectively. However all of pages in the write bio
are never used and just replaced to read bio's when the read completes.

Get rid of those unused pages and share read pages properly.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>

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Namhyung Kim 2011-07-18 17:38:49 +10:00 • committed by NeilBrown

parent 778ca01852

commit c65060ad42

1 changed files with 12 additions and 11 deletions

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drivers/md/raid10.c

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