gfs2: Convert gfs2_quota_refresh to take a kqid

- In quota_refresh_user_store convert the user supplied uid
  into a kqid and pass it to gfs2_quota_refresh.

- In quota_refresh_group_store convert the user supplied gid
  into a kqid and pass it to gfs2_quota_refresh.

Cc: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

1 files changed, 12 insertions, 2 deletions

diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 8056b7b7238e..e6d8d482422f 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -175,6 +175,7 @@ static ssize_t quota_sync_store(struct gfs2_sbd *sdp, const char *buf,
 static ssize_t quota_refresh_user_store(struct gfs2_sbd *sdp, const char *buf,
                                         size_t len)
 {
+        struct kqid qid;
         int error;
         u32 id;
 
@@ -183,13 +184,18 @@ static ssize_t quota_refresh_user_store(struct gfs2_sbd *sdp, const char *buf,
 
         id = simple_strtoul(buf, NULL, 0);
 
-        error = gfs2_quota_refresh(sdp, 1, id);
+        qid = make_kqid(current_user_ns(), USRQUOTA, id);
+        if (!qid_valid(qid))
+                return -EINVAL;
+
+        error = gfs2_quota_refresh(sdp, qid);
         return error ? error : len;
 }
 
 static ssize_t quota_refresh_group_store(struct gfs2_sbd *sdp, const char *buf,
                                          size_t len)
 {
+        struct kqid qid;
         int error;
         u32 id;
 
@@ -198,7 +204,11 @@ static ssize_t quota_refresh_group_store(struct gfs2_sbd *sdp, const char *buf,
 
         id = simple_strtoul(buf, NULL, 0);
 
-        error = gfs2_quota_refresh(sdp, 0, id);
+        qid = make_kqid(current_user_ns(), GRPQUOTA, id);
+        if (!qid_valid(qid))
+                return -EINVAL;
+
+        error = gfs2_quota_refresh(sdp, qid);
         return error ? error : len;
 }