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| author | Pekka Enberg <penberg@kernel.org> | 2011-03-11 18:10:45 +0200 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2011-03-11 18:10:45 +0200 |
| commit | c9149556756d56c68451a4a8735c37e7062fd3d7 (patch) | |
| tree | a2dae56b22adaa9a23c8f92f30c3b3ad3b610850 /block/ioctl.c | |
| parent | d71f606f687ef9d0cdddfd3619ca7cb9a0b3fb63 (diff) | |
| parent | 5bfe53a77e8a3ffce4a10003c75f464a138e272d (diff) | |
| download | op-kernel-dev-c9149556756d56c68451a4a8735c37e7062fd3d7.zip op-kernel-dev-c9149556756d56c68451a4a8735c37e7062fd3d7.tar.gz | |
Merge branch 'slab/rcu' into slab/next
Conflicts:
mm/slub.c
Diffstat (limited to 'block/ioctl.c')
| -rw-r--r-- | block/ioctl.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/block/ioctl.c b/block/ioctl.c index 9049d46..1124cd2 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -294,9 +294,11 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, return -EINVAL; if (get_user(n, (int __user *) arg)) return -EFAULT; - if (!(mode & FMODE_EXCL) && - blkdev_get(bdev, mode | FMODE_EXCL, &bdev) < 0) - return -EBUSY; + if (!(mode & FMODE_EXCL)) { + bdgrab(bdev); + if (blkdev_get(bdev, mode | FMODE_EXCL, &bdev) < 0) + return -EBUSY; + } ret = set_blocksize(bdev, n); if (!(mode & FMODE_EXCL)) blkdev_put(bdev, mode | FMODE_EXCL); |
