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Commit c14cad9e authored by Jan Kara's avatar Jan Kara
Browse files

xfs: Add support for Q_SETINFO 



Add support to XFS so that time limits can be set through Q_SETINFO
quotactl.

Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent 5eacb2ac

fs/xfs/xfs_quotaops.c

+37 −0
Original line number Diff line number Diff line
@@ -111,6 +111,42 @@ xfs_quota_type(int type) 
	}

}



#define XFS_QC_SETINFO_MASK (QC_TIMER_MASK | QC_WARNS_MASK)



/*

 * Adjust quota timers & warnings

 */

static int

xfs_fs_set_info(

	struct super_block	*sb,

	int			type,

	struct qc_info		*info)

{

	struct xfs_mount *mp = XFS_M(sb);

	struct qc_dqblk newlim;



	if (sb->s_flags & MS_RDONLY)

		return -EROFS;

	if (!XFS_IS_QUOTA_RUNNING(mp))

		return -ENOSYS;

	if (!XFS_IS_QUOTA_ON(mp))

		return -ESRCH;

	if (info->i_fieldmask & ~XFS_QC_SETINFO_MASK)

		return -EINVAL;

	if ((info->i_fieldmask & XFS_QC_SETINFO_MASK) == 0)

		return 0;



	newlim.d_fieldmask = info->i_fieldmask;

	newlim.d_spc_timer = info->i_spc_timelimit;

	newlim.d_ino_timer = info->i_ino_timelimit;

	newlim.d_rt_spc_timer = info->i_rt_spc_timelimit;

	newlim.d_ino_warns = info->i_ino_warnlimit;

	newlim.d_spc_warns = info->i_spc_warnlimit;

	newlim.d_rt_spc_warns = info->i_rt_spc_warnlimit;



	return xfs_qm_scall_setqlim(mp, 0, xfs_quota_type(type), &newlim);

}



static unsigned int

xfs_quota_flags(unsigned int uflags)

{
@@ -226,6 +262,7 @@ xfs_fs_set_dqblk( 


const struct quotactl_ops xfs_quotactl_operations = {

	.get_state		= xfs_fs_get_quota_state,

	.set_info		= xfs_fs_set_info,

	.quota_enable		= xfs_quota_enable,

	.quota_disable		= xfs_quota_disable,

	.rm_xquota		= xfs_fs_rm_xquota,