md/raid5: Ensure a batch member is not handled prematurely.

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If a stripe is a member of a batch, but not the head, it must
not be handled separately from the rest of the batch.

'clear_batch_ready()' handles this requirement to some
extent but not completely.  If a member is passed to handle_stripe()
a second time it returns '0' indicating the stripe can be handled,
which is wrong.
So add an extra test.

Signed-off-by: NeilBrown <neilb@suse.de>

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NeilBrown 2015-05-22 15:20:04 +10:00

parent d0852df543

commit b15a9dbdbf

1 changed files with 5 additions and 1 deletions

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drivers/md/raid5.c

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