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btrfs: qgroup: introduce quota mode

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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: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Boris Burkov 2023-05-16 16:33:55 -07:00 committed by David Sterba
parent 078b8b90b8
commit 6b0cd63bc7
2 changed files with 13 additions and 0 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

7
fs/btrfs/qgroup.c
View file

@ -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
*

6
fs/btrfs/qgroup.h
View file

@ -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);