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Commit e038dca8 authored by Chris Mason's avatar Chris Mason
Browse files

Merge branch 'for-chris' of... 

Merge branch 'for-chris' of git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work

 into for-linus

Conflicts:
	fs/btrfs/transaction.c

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parents 7585717f ed0ca140

fs/btrfs/inode.c

+1 −0
Original line number Diff line number Diff line
@@ -3076,6 +3076,7 @@ int btrfs_unlink_subvol(struct btrfs_trans_handle *trans, 
	ret = btrfs_update_inode(trans, root, dir);

	BUG_ON(ret);



	btrfs_free_path(path);

	return 0;

}

fs/btrfs/ioctl.c

+2 −0
Original line number Diff line number Diff line
@@ -482,8 +482,10 @@ static int create_snapshot(struct btrfs_root *root, struct dentry *dentry, 
	ret = btrfs_snap_reserve_metadata(trans, pending_snapshot);

	BUG_ON(ret);



	spin_lock(&root->fs_info->trans_lock);

	list_add(&pending_snapshot->list,

		 &trans->transaction->pending_snapshots);

	spin_unlock(&root->fs_info->trans_lock);

	if (async_transid) {

		*async_transid = trans->transid;

		ret = btrfs_commit_transaction_async(trans,

fs/btrfs/transaction.c

+11 −3
Original line number Diff line number Diff line
@@ -1298,11 +1298,19 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, 
			schedule_timeout(1);



		finish_wait(&cur_trans->writer_wait, &wait);

	} while (atomic_read(&cur_trans->num_writers) > 1 ||

		 (should_grow && cur_trans->num_joined != joined));



	/*

	 * Ok now we need to make sure to block out any other joins while we

	 * commit the transaction.  We could have started a join before setting

	 * no_join so make sure to wait for num_writers to == 1 again.

	 */

	spin_lock(&root->fs_info->trans_lock);

	root->fs_info->trans_no_join = 1;

	spin_unlock(&root->fs_info->trans_lock);

	} while (atomic_read(&cur_trans->num_writers) > 1 ||

		 (should_grow && cur_trans->num_joined != joined));

	wait_event(cur_trans->writer_wait,

		   atomic_read(&cur_trans->num_writers) == 1);



	/*

	 * the reloc mutex makes sure that we stop