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Commit 97547676 authored by Miao Xie's avatar Miao Xie Committed by Josef Bacik
Browse files

Btrfs: fix missing write access release in btrfs_ioctl_resize() 



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

Signed-off-by: default avatarMiao Xie <miaox@cn.fujitsu.com>
Signed-off-by: default avatarJosef Bacik <jbacik@fusionio.com>
parent dba60f3f

fs/btrfs/ioctl.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -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;

	}

	}