quota: Make ->set_info use structure with neccesary info to VFS and XFS
Change ->set_info to take new qc_info structure which contains all the
necessary information both for XFS and VFS. Convert Q_SETINFO handler
to use this structure.
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index cf4edd8..f37b74e 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2649,33 +2649,38 @@
EXPORT_SYMBOL(dquot_get_state);
/* Generic routine for setting common part of quota file information */
-int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii)
+int dquot_set_dqinfo(struct super_block *sb, int type, struct qc_info *ii)
{
struct mem_dqinfo *mi;
int err = 0;
+ if ((ii->i_fieldmask & QC_WARNS_MASK) ||
+ (ii->i_fieldmask & QC_RT_SPC_TIMER))
+ return -EINVAL;
mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
if (!sb_has_quota_active(sb, type)) {
err = -ESRCH;
goto out;
}
mi = sb_dqopt(sb)->info + type;
- if (ii->dqi_valid & IIF_FLAGS) {
- if (ii->dqi_flags & ~DQF_SETINFO_MASK ||
- (ii->dqi_flags & DQF_ROOT_SQUASH &&
+ if (ii->i_fieldmask & QC_FLAGS) {
+ if ((ii->i_flags & QCI_ROOT_SQUASH &&
mi->dqi_format->qf_fmt_id != QFMT_VFS_OLD)) {
err = -EINVAL;
goto out;
}
}
spin_lock(&dq_data_lock);
- if (ii->dqi_valid & IIF_BGRACE)
- mi->dqi_bgrace = ii->dqi_bgrace;
- if (ii->dqi_valid & IIF_IGRACE)
- mi->dqi_igrace = ii->dqi_igrace;
- if (ii->dqi_valid & IIF_FLAGS)
- mi->dqi_flags = (mi->dqi_flags & ~DQF_SETINFO_MASK) |
- (ii->dqi_flags & DQF_SETINFO_MASK);
+ if (ii->i_fieldmask & QC_SPC_TIMER)
+ mi->dqi_bgrace = ii->i_spc_timelimit;
+ if (ii->i_fieldmask & QC_INO_TIMER)
+ mi->dqi_igrace = ii->i_ino_timelimit;
+ if (ii->i_fieldmask & QC_FLAGS) {
+ if (ii->i_flags & QCI_ROOT_SQUASH)
+ mi->dqi_flags |= DQF_ROOT_SQUASH;
+ else
+ mi->dqi_flags &= ~DQF_ROOT_SQUASH;
+ }
spin_unlock(&dq_data_lock);
mark_info_dirty(sb, type);
/* Force write to disk */
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 20d11cd..741d5a1 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -149,12 +149,31 @@
static int quota_setinfo(struct super_block *sb, int type, void __user *addr)
{
struct if_dqinfo info;
+ struct qc_info qinfo;
if (copy_from_user(&info, addr, sizeof(info)))
return -EFAULT;
if (!sb->s_qcop->set_info)
return -ENOSYS;
- return sb->s_qcop->set_info(sb, type, &info);
+ if (info.dqi_valid & ~(IIF_FLAGS | IIF_BGRACE | IIF_IGRACE))
+ return -EINVAL;
+ memset(&qinfo, 0, sizeof(qinfo));
+ if (info.dqi_valid & IIF_FLAGS) {
+ if (info.dqi_flags & ~DQF_SETINFO_MASK)
+ return -EINVAL;
+ if (info.dqi_flags & DQF_ROOT_SQUASH)
+ qinfo.i_flags |= QCI_ROOT_SQUASH;
+ qinfo.i_fieldmask |= QC_FLAGS;
+ }
+ if (info.dqi_valid & IIF_BGRACE) {
+ qinfo.i_spc_timelimit = info.dqi_bgrace;
+ qinfo.i_fieldmask |= QC_SPC_TIMER;
+ }
+ if (info.dqi_valid & IIF_IGRACE) {
+ qinfo.i_ino_timelimit = info.dqi_igrace;
+ qinfo.i_fieldmask |= QC_INO_TIMER;
+ }
+ return sb->s_qcop->set_info(sb, type, &qinfo);
}
static inline qsize_t qbtos(qsize_t blocks)