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Commit 1e5ec2e7 authored by Josef Bacik's avatar Josef Bacik Committed by Chris Mason
Browse files

Btrfs: handle quota reserve failure properly 



btrfs/022 was spitting a warning for the case that we exceed the quota.  If we
fail to make our quota reservation we need to clean up our data space
reservation.  Thanks,

Signed-off-by: default avatarJosef Bacik <jbacik@fb.com>
Tested-by: default avatarJeff Mahoney <jeffm@suse.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent b7f3c7d3

fs/btrfs/extent-tree.c

+3 −6
Original line number Diff line number Diff line
@@ -4271,13 +4271,10 @@ int btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len) 
	if (ret < 0)

		return ret;



	/*

	 * Use new btrfs_qgroup_reserve_data to reserve precious data space

	 *

	 * TODO: Find a good method to avoid reserve data space for NOCOW

	 * range, but don't impact performance on quota disable case.

	 */

	/* Use new btrfs_qgroup_reserve_data to reserve precious data space. */

	ret = btrfs_qgroup_reserve_data(inode, start, len);

	if (ret)

		btrfs_free_reserved_data_space_noquota(inode, start, len);

	return ret;

}