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authorJun'ichi Nomura <j-nomura@ce.jp.nec.com>2006-02-24 13:04:24 -0800
committerChris Wright <chrisw@sous-sol.org>2006-03-01 14:36:36 -0800
commit2687a132e9d6e5e9249fc2b961ab37cf185dd3c8 (patch)
tree2c1df056eae06a7d651895c719c6b9e6a3ca11db
parent96fb1a894d71297d8abe0a803a725f7eb25910c3 (diff)
[PATCH] dm: missing bdput/thaw_bdev at removal
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> [chrisw: backport to 2.6.15] Signed-off-by: Chris Wright <chrisw@sous-sol.org>
-rw-r--r--drivers/md/dm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 930b9fc27953..e0b63d7f5704 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -812,6 +812,10 @@ static struct mapped_device *alloc_dev(unsigned int minor, int persistent)
static void free_dev(struct mapped_device *md)
{
+ if (md->frozen_bdev) {
+ thaw_bdev(md->frozen_bdev, NULL);
+ bdput(md->frozen_bdev);
+ }
free_minor(md->disk->first_minor);
mempool_destroy(md->tio_pool);
mempool_destroy(md->io_pool);