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md: the bitmap code needs to use blk_plug_device_unlocked()

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It doesn't hold the queue lock, so it's both racey on the queue flags
and thus spews a warning.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2008-08-01 20:32:31 +02:00
parent 6c5e0c4d51
commit 93769f5807
1 changed files with 1 additions and 1 deletions
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2
drivers/md/bitmap.c
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@ -1234,7 +1234,7 @@ int bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sect
case 0:
bitmap_file_set_bit(bitmap, offset);
bitmap_count_page(bitmap,offset, 1);
blk_plug_device(bitmap->mddev->queue);
blk_plug_device_unlocked(bitmap->mddev->queue);
/* fall through */
case 1:
*bmc = 2;