diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-03-04 11:12:24 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-04 11:12:26 +0100 |
| commit | e0a92c17470775cd85bac52f5372ccc3dc58254a (patch) | |
| tree | 9339da8754084bed50b941b018706b75482025cb /block/ioctl.c | |
| parent | 544b4a1f309d18f40969dbab7e08bafd136b2f55 (diff) | |
| parent | 0c3b9168017cbad2c4af3dd65ec93fe646eeaa62 (diff) | |
Merge branch 'sched/urgent' into sched/core
Merge reason: Add fixes before applying dependent patches.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 9049d460fa89..1124cd297263 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); |