commit ed87dabcc3fc0a5040f95dd3f7206cffebca5c79
author Eric W. Biederman <ebiederm@xmission.com> Thu Jan 31 19:42:40 2013 -0800
committer Eric W. Biederman <ebiederm@xmission.com> Wed Feb 13 06:15:06 2013 -0800
tree 5b78136ba32b35c63150b3edcc2f05416914b0c4
parent b59c8b6f9d1b1220e5ed72152f42a658bf739d90

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>

fs/gfs2/sys.c

diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 8056b7b..e6d8d48 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -175,6 +175,7 @@
 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 @@
 
 	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 @@
 
 	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;
 }