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Btrfs: fix missing write access release in btrfs_ioctl_resize()

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We forget to give up the write access after we find some device operation
is going on. Fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Miao Xie 2012-12-21 10:38:50 +00:00 committed by Josef Bacik
parent dba60f3f5d
commit 9754767657
1 changed files with 1 additions and 0 deletions
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fs/btrfs/ioctl.c
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@ -1339,6 +1339,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running, if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running,
1)) { 1)) {
pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n"); pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
mnt_drop_write_file(file);
return -EINPROGRESS; return -EINPROGRESS;
} }