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| author | Jan Kara <jack@suse.cz> | 2014-12-16 12:07:45 (GMT) |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2015-03-04 15:06:38 (GMT) |
| commit | c14cad9eed11343014f73aae4a77278239b201b8 (patch) | |
| tree | 04f76efd0d3235efc38c5cec3f7e7c7a078c9b34 | |
| parent | 5eacb2ac029161d94969a511e0adf7dca28cda1f (diff) | |
| download | linux-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>
| -rw-r--r-- | fs/xfs/xfs_quotaops.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c index 5775acb..7795e0d 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, |