[PATCH review 29/85] gfs2: Report quotas in the caller's user namespace.

From: Eric W. Biederman
Date: Wed Feb 13 2013 - 13:01:08 EST


From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>

When a quota is queried return the uid or the gid in the mapped into
the caller's user namespace. In addition perform the munged version
of the mapping so that instead of -1 a value that does not map is
reported as the overflowuid or the overflowgid.

Cc: Steven Whitehouse <swhiteho@xxxxxxxxxx>
Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
---
fs/gfs2/quota.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index dbfacaa..f8279ee 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1509,7 +1509,7 @@ static int gfs2_get_dqblk(struct super_block *sb, struct kqid qid,
qlvb = (struct gfs2_quota_lvb *)qd->qd_gl->gl_lksb.sb_lvbptr;
fdq->d_version = FS_DQUOT_VERSION;
fdq->d_flags = (type == QUOTA_USER) ? FS_USER_QUOTA : FS_GROUP_QUOTA;
- fdq->d_id = from_kqid(&init_user_ns, qid);
+ fdq->d_id = from_kqid_munged(current_user_ns(), qid);
fdq->d_blk_hardlimit = be64_to_cpu(qlvb->qb_limit) << sdp->sd_fsb2bb_shift;
fdq->d_blk_softlimit = be64_to_cpu(qlvb->qb_warn) << sdp->sd_fsb2bb_shift;
fdq->d_bcount = be64_to_cpu(qlvb->qb_value) << sdp->sd_fsb2bb_shift;
--
1.7.5.4

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