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btrfs: remove a no-op unfreeze superbock callback 

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
David Sterba 2015-01-20 19:05:37 +01:00 committed by Chris Mason
parent 9ee49a047d
commit 730a78c741
1 changed files with 0 additions and 6 deletions
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6
fs/btrfs/super.c
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@ -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 = {