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authorJens Axboe <axboe@kernel.dk>2011-10-19 14:30:42 +0200
committerJens Axboe <axboe@kernel.dk>2011-10-19 14:30:42 +0200
commit5c04b426f2e8b46cfc7969a35b2631063a3c646c (patch)
tree2d27d9f5d2fe5d5e8fbc01a467ec58bcb50235c1 /fs/block_dev.c
parent499337bb6511e665a236a6a947f819d98ea340c6 (diff)
parent899e3ee404961a90b828ad527573aaaac39f0ab1 (diff)
Merge branch 'v3.1-rc10' into for-3.2/core
Conflicts: block/blk-core.c include/linux/blkdev.h Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/block_dev.c')
-rw-r--r--fs/block_dev.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index ff77262e887..95f786ec7f0 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1429,6 +1429,11 @@ static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part)
WARN_ON_ONCE(bdev->bd_holders);
sync_blockdev(bdev);
kill_bdev(bdev);
+ /* ->release can cause the old bdi to disappear,
+ * so must switch it out first
+ */
+ bdev_inode_switch_bdi(bdev->bd_inode,
+ &default_backing_dev_info);
}
if (bdev->bd_contains == bdev) {
if (disk->fops->release)
@@ -1442,8 +1447,6 @@ static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part)
disk_put_part(bdev->bd_part);
bdev->bd_part = NULL;
bdev->bd_disk = NULL;
- bdev_inode_switch_bdi(bdev->bd_inode,
- &default_backing_dev_info);
if (bdev != bdev->bd_contains)
victim = bdev->bd_contains;
bdev->bd_contains = NULL;