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Commit 5d5e3d57 authored by Chandra Seetharaman's avatar Chandra Seetharaman Committed by Ben Myers
Browse files

xfs: Add support for the Q_XGETQSTATV 



For XFS, add support for Q_XGETQSTATV quotactl command.

Signed-off-by: default avatarChandra Seetharaman <sekharan@us.ibm.com>
Reviewed-by: default avatarRich Johnston <rjohnston@sgi.com>
Signed-off-by: default avatarBen Myers <bpm@sgi.com>
parent af30cb44

fs/xfs/xfs_qm.h

+2 −0
Original line number Diff line number Diff line
@@ -160,6 +160,8 @@ extern int xfs_qm_scall_setqlim(struct xfs_mount *, xfs_dqid_t, uint, 
					struct fs_disk_quota *);

extern int		xfs_qm_scall_getqstat(struct xfs_mount *,

					struct fs_quota_stat *);

extern int		xfs_qm_scall_getqstatv(struct xfs_mount *,

					struct fs_quota_statv *);

extern int		xfs_qm_scall_quotaon(struct xfs_mount *, uint);

extern int		xfs_qm_scall_quotaoff(struct xfs_mount *, uint);

fs/xfs/xfs_qm_syscalls.c

+82 −0
Original line number Diff line number Diff line
@@ -404,6 +404,7 @@ xfs_qm_scall_quotaon( 


/*

 * Return quota status information, such as uquota-off, enforcements, etc.

 * for Q_XGETQSTAT command.

 */

int

xfs_qm_scall_getqstat(
@@ -491,6 +492,87 @@ xfs_qm_scall_getqstat( 
	return 0;

}



/*

 * Return quota status information, such as uquota-off, enforcements, etc.

 * for Q_XGETQSTATV command, to support separate project quota field.

 */

int

xfs_qm_scall_getqstatv(

	struct xfs_mount	*mp,

	struct fs_quota_statv	*out)

{

	struct xfs_quotainfo	*q = mp->m_quotainfo;

	struct xfs_inode	*uip = NULL;

	struct xfs_inode	*gip = NULL;

	struct xfs_inode	*pip = NULL;

	bool                    tempuqip = false;

	bool                    tempgqip = false;

	bool                    temppqip = false;



	if (!xfs_sb_version_hasquota(&mp->m_sb)) {

		out->qs_uquota.qfs_ino = NULLFSINO;

		out->qs_gquota.qfs_ino = NULLFSINO;

		out->qs_pquota.qfs_ino = NULLFSINO;

		return (0);

	}



	out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags &

							(XFS_ALL_QUOTA_ACCT|

							 XFS_ALL_QUOTA_ENFD));

	out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino;

	out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino;

	out->qs_pquota.qfs_ino = mp->m_sb.sb_pquotino;



	if (q) {

		uip = q->qi_uquotaip;

		gip = q->qi_gquotaip;

		pip = q->qi_pquotaip;

	}

	if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) {

		if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino,

					0, 0, &uip) == 0)

			tempuqip = true;

	}

	if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) {

		if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino,

					0, 0, &gip) == 0)

			tempgqip = true;

	}

	if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) {

		if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino,

					0, 0, &pip) == 0)

			temppqip = true;

	}

	if (uip) {

		out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks;

		out->qs_uquota.qfs_nextents = uip->i_d.di_nextents;

		if (tempuqip)

			IRELE(uip);

	}



	if (gip) {

		out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks;

		out->qs_gquota.qfs_nextents = gip->i_d.di_nextents;

		if (tempgqip)

			IRELE(gip);

	}

	if (pip) {

		out->qs_pquota.qfs_nblks = pip->i_d.di_nblocks;

		out->qs_pquota.qfs_nextents = pip->i_d.di_nextents;

		if (temppqip)

			IRELE(pip);

	}

	if (q) {

		out->qs_incoredqs = q->qi_dquots;

		out->qs_btimelimit = q->qi_btimelimit;

		out->qs_itimelimit = q->qi_itimelimit;

		out->qs_rtbtimelimit = q->qi_rtbtimelimit;

		out->qs_bwarnlimit = q->qi_bwarnlimit;

		out->qs_iwarnlimit = q->qi_iwarnlimit;

	}

	return 0;

}



#define XFS_DQ_MASK \

	(FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK)

fs/xfs/xfs_quotaops.c

+13 −0
Original line number Diff line number Diff line
@@ -55,6 +55,18 @@ xfs_fs_get_xstate( 
	return -xfs_qm_scall_getqstat(mp, fqs);

}



STATIC int

xfs_fs_get_xstatev(

	struct super_block	*sb,

	struct fs_quota_statv	*fqs)

{

	struct xfs_mount	*mp = XFS_M(sb);



	if (!XFS_IS_QUOTA_RUNNING(mp))

		return -ENOSYS;

	return -xfs_qm_scall_getqstatv(mp, fqs);

}



STATIC int

xfs_fs_set_xstate(

	struct super_block	*sb,
@@ -135,6 +147,7 @@ xfs_fs_set_dqblk( 
}



const struct quotactl_ops xfs_quotactl_operations = {

	.get_xstatev		= xfs_fs_get_xstatev,

	.get_xstate		= xfs_fs_get_xstate,

	.set_xstate		= xfs_fs_set_xstate,

	.get_dqblk		= xfs_fs_get_dqblk,