btrfs: commit transaction after setting label and features
The set_fslabel ioctl uses btrfs_end_transaction, which means it's
possible that the change will be lost if the system crashes, same for
the newly set features. Let's use btrfs_commit_transaction instead.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 34772cb..5bbf6b7 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -4547,7 +4547,7 @@
spin_lock(&root->fs_info->super_lock);
strcpy(super_block->label, label);
spin_unlock(&root->fs_info->super_lock);
- ret = btrfs_end_transaction(trans, root);
+ ret = btrfs_commit_transaction(trans, root);
out_unlock:
mnt_drop_write_file(file);
@@ -4711,7 +4711,7 @@
btrfs_set_super_incompat_flags(super_block, newflags);
spin_unlock(&root->fs_info->super_lock);
- return btrfs_end_transaction(trans, root);
+ return btrfs_commit_transaction(trans, root);
}
long btrfs_ioctl(struct file *file, unsigned int