提交 730a78c7 编写于 作者: D David Sterba 提交者: Chris Mason

btrfs: remove a no-op unfreeze superbock callback

Signed-off-by: NDavid Sterba <dsterba@suse.cz>
Signed-off-by: NChris Mason <clm@fb.com>
上级 9ee49a04
......@@ -1948,11 +1948,6 @@ static int btrfs_freeze(struct super_block *sb)
return btrfs_commit_transaction(trans, root);
}
static int btrfs_unfreeze(struct super_block *sb)
{
return 0;
}
static int btrfs_show_devname(struct seq_file *m, struct dentry *root)
{
struct btrfs_fs_info *fs_info = btrfs_sb(root->d_sb);
......@@ -2001,7 +1996,6 @@ static const struct super_operations btrfs_super_ops = {
.statfs = btrfs_statfs,
.remount_fs = btrfs_remount,
.freeze_fs = btrfs_freeze,
.unfreeze_fs = btrfs_unfreeze,
};
static const struct file_operations btrfs_ctl_fops = {
......
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