diff mbox

[7/8] xfs: Add support for Q_SETINFO

Message ID 1424267274-11836-8-git-send-email-jack@suse.cz (mailing list archive)
State New, archived
Headers show

Commit Message

Jan Kara Feb. 18, 2015, 1:47 p.m. UTC 
Add support to XFS so that time limits can be set through Q_SETINFO
quotactl.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/xfs/xfs_quotaops.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

Comments

Christoph Hellwig Feb. 18, 2015, 4:54 p.m. UTC | #1 
Looks fine except for the cosmetical argument alignment style issue.

Reviewed-by: Christoph Hellwig <hch@lst.de>
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Jan Kara Feb. 18, 2015, 5:20 p.m. UTC | #2 
On Wed 18-02-15 08:54:12, Christoph Hellwig wrote:
> Looks fine except for the cosmetical argument alignment style issue.
  OK, fixed.
 
> Reviewed-by: Christoph Hellwig <hch@lst.de>
								Honza
diff mbox

Patch

diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c
index df9835396c4f..bbe8ddf1f700 100644
--- a/fs/xfs/xfs_quotaops.c
+++ b/fs/xfs/xfs_quotaops.c
@@ -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,