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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-09-10 10:19:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-09-10 10:19:15 -0700 |
| commit | 290a1cc4f725a53076e0fda804cd4fea84ee4564 (patch) | |
| tree | ca7c8f8d78dd7afda036ea1e7a1362093b1578e8 /fs | |
| parent | ed2888e906b56769b4ffabb9c577190438aa68b8 (diff) | |
| parent | 27a7b260f71439c40546b43588448faac01adb93 (diff) | |
| download | lwn-290a1cc4f725a53076e0fda804cd4fea84ee4564.tar.gz lwn-290a1cc4f725a53076e0fda804cd4fea84ee4564.zip | |
Merge branch 'for-linus' of git://neil.brown.name/md
* 'for-linus' of git://neil.brown.name/md:
md: Fix handling for devices from 2TB to 4TB in 0.90 metadata.
md/raid1,10: Remove use-after-free bug in make_request.
md/raid10: unify handling of write completion.
Avoid dereferencing a 'request_queue' after last close.
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/block_dev.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index ff77262e887c..95f786ec7f08 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; |