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authorJan Kara <jack@suse.cz>2014-12-16 15:07:45 +0300
committerJan Kara <jack@suse.cz>2015-03-04 18:06:38 +0300
commitc14cad9eed11343014f73aae4a77278239b201b8 (patch)
tree04f76efd0d3235efc38c5cec3f7e7c7a078c9b34 /fs/xfs/xfs_quotaops.c
parent5eacb2ac029161d94969a511e0adf7dca28cda1f (diff)
downloadlinux-c14cad9eed11343014f73aae4a77278239b201b8.tar.xz
xfs: Add support for Q_SETINFO
Add support to XFS so that time limits can be set through Q_SETINFO quotactl. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/xfs/xfs_quotaops.c')
-rw-r--r--fs/xfs/xfs_quotaops.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c
index 5775acb0589b..7795e0d01382 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,