[PATCH 7/8] xfs: Add support for Q_SETINFO
From: Jan Kara <jack@suse.cz>
Date: 2015-03-04 15:15:26
Also in:
linux-fsdevel
Subsystem:
filesystems (vfs and infrastructure), the rest, xfs filesystem · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds, Carlos Maiolino
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> --- fs/xfs/xfs_quotaops.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+)
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,
--
2.1.4
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