Commit 6b0cd63b authored by Boris Burkov's avatar Boris Burkov Committed by David Sterba
Browse files

btrfs: qgroup: introduce quota mode 



In preparation for introducing simple quotas, change from a binary
setting for quotas to an enum based mode. Initially, the possible modes
are disabled/full. Full quotas is normal btrfs qgroups.

Reviewed-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarBoris Burkov <boris@bur.io>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 078b8b90

fs/btrfs/qgroup.c

+7 −0
Original line number Diff line number Diff line
@@ -30,6 +30,13 @@ 
#include "root-tree.h"

#include "tree-checker.h"



enum btrfs_qgroup_mode btrfs_qgroup_mode(struct btrfs_fs_info *fs_info)

{

	if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags))

		return BTRFS_QGROUP_MODE_DISABLED;

	return BTRFS_QGROUP_MODE_FULL;

}



/*

 * Helpers to access qgroup reservation

 *

fs/btrfs/qgroup.h

+6 −0
Original line number Diff line number Diff line
@@ -277,6 +277,12 @@ enum { 
};



int btrfs_quota_enable(struct btrfs_fs_info *fs_info);

enum btrfs_qgroup_mode {

	BTRFS_QGROUP_MODE_DISABLED,

	BTRFS_QGROUP_MODE_FULL,

};



enum btrfs_qgroup_mode btrfs_qgroup_mode(struct btrfs_fs_info *fs_info);

int btrfs_quota_disable(struct btrfs_fs_info *fs_info);

int btrfs_qgroup_rescan(struct btrfs_fs_info *fs_info);

void btrfs_qgroup_rescan_resume(struct btrfs_fs_info *fs_info);