AcoSail/kernel_optimize_test
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[PATCH] md: Make sure QUEUE_FLAG_CLUSTER is set properly for md.

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This flag should be set for a virtual device iff it is set for all underlying
devices.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown 2006-03-27 01:18:02 -08:00 committed by Linus Torvalds
parent a22c96c737
commit 89e5c8b5b8
2 changed files with 3 additions and 0 deletions
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2
block/ll_rw_blk.c
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@ -785,6 +785,8 @@ void blk_queue_stack_limits(request_queue_t *t, request_queue_t *b)
t->max_hw_segments = min(t->max_hw_segments,b->max_hw_segments);
t->max_segment_size = min(t->max_segment_size,b->max_segment_size);
t->hardsect_size = max(t->hardsect_size,b->hardsect_size);
if (!test_bit(QUEUE_FLAG_CLUSTER, &b->queue_flags))
clear_bit(QUEUE_FLAG_CLUSTER, &t->queue_flags);
}
EXPORT_SYMBOL(blk_queue_stack_limits);

1
drivers/md/md.c
View File

@ -266,6 +266,7 @@ static mddev_t * mddev_find(dev_t unit)
kfree(new);
return NULL;
}
set_bit(QUEUE_FLAG_CLUSTER, &new->queue->queue_flags);
blk_queue_make_request(new->queue, md_fail_request);