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Commit 1d371b5e authored by Steven Whitehouse's avatar Steven Whitehouse
Browse files

GFS2: Add get_xstate quota function 



This allows querying of the quota state via the XFS quota
API.

Signed-off-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
parent 91094d0f

fs/gfs2/quota.c

+23 −0
Original line number Diff line number Diff line
@@ -47,6 +47,7 @@ 
#include <linux/gfs2_ondisk.h>

#include <linux/kthread.h>

#include <linux/freezer.h>

#include <linux/dqblk_xfs.h>



#include "gfs2.h"

#include "incore.h"
@@ -1375,7 +1376,29 @@ int gfs2_quotad(void *data) 
	return 0;

}



static int gfs2_quota_get_xstate(struct super_block *sb,

				 struct fs_quota_stat *fqs)

{

	struct gfs2_sbd *sdp = sb->s_fs_info;



	memset(fqs, 0, sizeof(struct fs_quota_stat));

	fqs->qs_version = FS_QSTAT_VERSION;

	if (sdp->sd_args.ar_quota == GFS2_QUOTA_ON)

		fqs->qs_flags = (XFS_QUOTA_UDQ_ENFD | XFS_QUOTA_GDQ_ENFD);

	else if (sdp->sd_args.ar_quota == GFS2_QUOTA_ACCOUNT)

		fqs->qs_flags = (XFS_QUOTA_UDQ_ACCT | XFS_QUOTA_GDQ_ACCT);

	if (sdp->sd_quota_inode) {

		fqs->qs_uquota.qfs_ino = GFS2_I(sdp->sd_quota_inode)->i_no_addr;

		fqs->qs_uquota.qfs_nblks = sdp->sd_quota_inode->i_blocks;

	}

	fqs->qs_uquota.qfs_nextents = 1; /* unsupported */

	fqs->qs_gquota = fqs->qs_uquota; /* its the same inode in both cases */

	fqs->qs_incoredqs = atomic_read(&qd_lru_count);

	return 0;

}



const struct quotactl_ops gfs2_quotactl_ops = {

	.quota_sync     = gfs2_quota_sync,

	.get_xstate     = gfs2_quota_get_xstate,

};