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| author | Steven Whitehouse <swhiteho@redhat.com> | 2009-09-28 11:52:16 +0100 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2009-12-03 11:52:21 +0000 |
| commit | 113d6b3c99bf30d8083068d00e3c7304d91d4845 (patch) | |
| tree | 77c46b298307f8ce44998ee50d791ee736cf0faa /fs/gfs2/quota.c | |
| parent | 1e72c0f7c40e665d2ed40014750fdd2fa9968bcf (diff) | |
| download | linux-3.10-113d6b3c99bf30d8083068d00e3c7304d91d4845.tar.gz linux-3.10-113d6b3c99bf30d8083068d00e3c7304d91d4845.tar.bz2 linux-3.10-113d6b3c99bf30d8083068d00e3c7304d91d4845.zip | |
GFS2: Add get_xquota support
This adds support for viewing the current GFS2 quota settings
via the XFS quota API. The setting of quotas will be addressed
in a later patch. Fields which are not supported here are left
set to zero.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Reviewed-by: Bob Peterson <rpeterso@redhat.com>
Diffstat (limited to 'fs/gfs2/quota.c')
| -rw-r--r-- | fs/gfs2/quota.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 33e369f108b..6c5d6aa7d53 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -1367,8 +1367,51 @@ static int gfs2_quota_get_xstate(struct super_block *sb, return 0; } +static int gfs2_xquota_get(struct super_block *sb, int type, qid_t id, + struct fs_disk_quota *fdq) +{ + struct gfs2_sbd *sdp = sb->s_fs_info; + struct gfs2_quota_lvb *qlvb; + struct gfs2_quota_data *qd; + struct gfs2_holder q_gh; + int error; + + memset(fdq, 0, sizeof(struct fs_disk_quota)); + + if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF) + return -ESRCH; /* Crazy XFS error code */ + + if (type == USRQUOTA) + type = QUOTA_USER; + else if (type == GRPQUOTA) + type = QUOTA_GROUP; + else + return -EINVAL; + + error = qd_get(sdp, type, id, &qd); + if (error) + return error; + error = do_glock(qd, FORCE, &q_gh); + if (error) + goto out; + + qlvb = (struct gfs2_quota_lvb *)qd->qd_gl->gl_lvb; + fdq->d_version = FS_DQUOT_VERSION; + fdq->d_flags = (type == QUOTA_USER) ? XFS_USER_QUOTA : XFS_GROUP_QUOTA; + fdq->d_id = id; + fdq->d_blk_hardlimit = be64_to_cpu(qlvb->qb_limit); + fdq->d_blk_softlimit = be64_to_cpu(qlvb->qb_warn); + fdq->d_bcount = be64_to_cpu(qlvb->qb_value); + + gfs2_glock_dq_uninit(&q_gh); +out: + qd_put(qd); + return error; +} + const struct quotactl_ops gfs2_quotactl_ops = { .quota_sync = gfs2_quota_sync, .get_xstate = gfs2_quota_get_xstate, + .get_xquota = gfs2_xquota_get, }; |