summaryrefslogtreecommitdiffstats
path: root/fs/quota/quota.c
diff options
context:
space:
mode:
authorJan Kara <jack@suse.cz>2014-12-16 12:03:51 +0100
committerJan Kara <jack@suse.cz>2015-03-04 16:06:38 +0100
commit5eacb2ac029161d94969a511e0adf7dca28cda1f (patch)
treef49c47630dbd2790ae4d297f745f6ab359525ed9 /fs/quota/quota.c
parentquota: Remove ->get_xstate and ->get_xstatev callbacks (diff)
downloadlinux-5eacb2ac029161d94969a511e0adf7dca28cda1f.tar.xz
linux-5eacb2ac029161d94969a511e0adf7dca28cda1f.zip
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>
Diffstat (limited to 'fs/quota/quota.c')
-rw-r--r--fs/quota/quota.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 20d11cd21247..741d5a178268 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -149,12 +149,31 @@ static int quota_getinfo(struct super_block *sb, int type, void __user *addr)
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)