From: Jan Kara Date: Tue, 16 Dec 2014 12:07:45 +0000 (+0100) Subject: xfs: Add support for Q_SETINFO X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c14cad9eed11343014f73aae4a77278239b201b8;p=openwrt%2Fstaging%2Fblogic.git 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 Signed-off-by: Jan Kara --- 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,