AcoSail/kernel_optimize_test
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[PATCH] dm: missing bdput/thaw_bdev at removal

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Need to unfreeze and release bdev otherwise the bdev inode with
inconsistent state is reused later and cause problem.

Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Acked-by: Alasdair G Kergon <agk@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jun'ichi Nomura 2006-02-24 13:04:24 -08:00 committed by Linus Torvalds
parent 8dde0509e7
commit d9dde59ba0
1 changed files with 4 additions and 0 deletions
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4
drivers/md/dm.c
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@ -849,6 +849,10 @@ static struct mapped_device *alloc_dev(unsigned int minor, int persistent)
static void free_dev(struct mapped_device *md)
{
if (md->suspended_bdev) {
thaw_bdev(md->suspended_bdev, NULL);
bdput(md->suspended_bdev);
}
free_minor(md->disk->first_minor);
mempool_destroy(md->tio_pool);
mempool_destroy(md->io_pool);