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gfs2: Convert gfs2_quota_refresh to take a kqid

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- 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>
This commit is contained in:
Eric W. Biederman 2013-01-31 19:42:40 -08:00
parent b59c8b6f9d
commit ed87dabcc3
3 changed files with 16 additions and 5 deletions
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5
fs/gfs2/quota.c
View file

@ -1177,13 +1177,14 @@ static int gfs2_quota_sync_timeo(struct super_block *sb, int type)
return gfs2_quota_sync(sb, type);
}
int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id)
int gfs2_quota_refresh(struct gfs2_sbd *sdp, struct kqid qid)
{
struct gfs2_quota_data *qd;
struct gfs2_holder q_gh;
int error;
error = qd_get(sdp, user, id, &qd);
error = qd_get(sdp, qid.type == USRQUOTA ? QUOTA_USER : QUOTA_GROUP,
from_kqid(&init_user_ns, qid), &qd);
if (error)
return error;

2
fs/gfs2/quota.h
View file

@ -28,7 +28,7 @@ extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
u32 uid, u32 gid);
extern int gfs2_quota_sync(struct super_block *sb, int type);
extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id);
extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, struct kqid qid);
extern int gfs2_quota_init(struct gfs2_sbd *sdp);
extern void gfs2_quota_cleanup(struct gfs2_sbd *sdp);

14
fs/gfs2/sys.c
View file

@ -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;
}