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| author | Joel Becker <jlbec@evilplan.org> | 2011-03-28 09:44:26 -0700 |
|---|---|---|
| committer | Joel Becker <jlbec@evilplan.org> | 2011-03-28 09:44:26 -0700 |
| commit | 99bdc3880c611c7f2061fbd5372ef81b40217e26 (patch) | |
| tree | ef68a53e28e9ee53ce9db3642bab5fa5b3d44866 /block/ioctl.c | |
| parent | ed59992e8d91b70053c53d846a76f7e1ac000454 (diff) | |
| parent | b4e1b7e88b2c87c358c2a88bec0c76d25accc604 (diff) | |
Merge branch 'mlog_replace_for_39' of git://repo.or.cz/taoma-kernel into ocfs2-merge-window-fix
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 9049d460fa8..1124cd29726 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); |