提交 0176260f 编写于 作者: L Linus Torvalds

btrfs: fix for write_super_lockfs/unlockfs error handling

Commit c4be0c1d added the ability for
write_super_lockfs to return errors, and renamed them to match.  But
btrfs didn't get converted.

Do the minimal conversion to make it compile again.
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 f4b477c4
......@@ -605,18 +605,20 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd,
return ret;
}
static void btrfs_write_super_lockfs(struct super_block *sb)
static int btrfs_freeze(struct super_block *sb)
{
struct btrfs_root *root = btrfs_sb(sb);
mutex_lock(&root->fs_info->transaction_kthread_mutex);
mutex_lock(&root->fs_info->cleaner_mutex);
return 0;
}
static void btrfs_unlockfs(struct super_block *sb)
static int btrfs_unfreeze(struct super_block *sb)
{
struct btrfs_root *root = btrfs_sb(sb);
mutex_unlock(&root->fs_info->cleaner_mutex);
mutex_unlock(&root->fs_info->transaction_kthread_mutex);
return 0;
}
static struct super_operations btrfs_super_ops = {
......@@ -631,8 +633,8 @@ static struct super_operations btrfs_super_ops = {
.destroy_inode = btrfs_destroy_inode,
.statfs = btrfs_statfs,
.remount_fs = btrfs_remount,
.write_super_lockfs = btrfs_write_super_lockfs,
.unlockfs = btrfs_unlockfs,
.freeze_fs = btrfs_freeze,
.unfreeze_fs = btrfs_unfreeze,
};
static const struct file_operations btrfs_ctl_fops = {
......
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