提交 48fac179 编写于 作者: S Steven Whitehouse

[GFS2] Remove unused code from quota

As per Jan Engelhardt's request, some unused code is removed and
some consts added in the quota code.

Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Signed-off-by: NSteven Whitehouse <swhiteho@redhat.com>
上级 a67cdbd4
......@@ -503,24 +503,22 @@ void gfs2_quota_unhold(struct gfs2_inode *ip)
static int sort_qd(const void *a, const void *b)
{
struct gfs2_quota_data *qd_a = *(struct gfs2_quota_data **)a;
struct gfs2_quota_data *qd_b = *(struct gfs2_quota_data **)b;
int ret = 0;
const struct gfs2_quota_data *qd_a = *(const struct gfs2_quota_data **)a;
const struct gfs2_quota_data *qd_b = *(const struct gfs2_quota_data **)b;
if (!test_bit(QDF_USER, &qd_a->qd_flags) !=
!test_bit(QDF_USER, &qd_b->qd_flags)) {
if (test_bit(QDF_USER, &qd_a->qd_flags))
ret = -1;
return -1;
else
ret = 1;
} else {
if (qd_a->qd_id < qd_b->qd_id)
ret = -1;
else if (qd_a->qd_id > qd_b->qd_id)
ret = 1;
return 1;
}
if (qd_a->qd_id < qd_b->qd_id)
return -1;
if (qd_a->qd_id > qd_b->qd_id)
return 1;
return ret;
return 0;
}
static void do_qc(struct gfs2_quota_data *qd, s64 change)
......@@ -622,17 +620,13 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
gfs2_trans_add_bh(ip->i_gl, bh, 0);
kaddr = kmap_atomic(page, KM_USER0);
ptr = (__be64 *)(kaddr + offset);
ptr = kaddr + offset;
value = (s64)be64_to_cpu(*ptr) + change;
*ptr = cpu_to_be64(value);
flush_dcache_page(page);
kunmap_atomic(kaddr, KM_USER0);
err = 0;
qd->qd_qb.qb_magic = cpu_to_be32(GFS2_MAGIC);
#if 0
qd->qd_qb.qb_limit = cpu_to_be64(q.qu_limit);
qd->qd_qb.qb_warn = cpu_to_be64(q.qu_warn);
#endif
qd->qd_qb.qb_value = cpu_to_be64(value);
unlock:
unlock_page(page);
......@@ -1057,43 +1051,6 @@ int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id)
return error;
}
#if 0
int gfs2_quota_read(struct gfs2_sbd *sdp, int user, u32 id,
struct gfs2_quota *q)
{
struct gfs2_quota_data *qd;
struct gfs2_holder q_gh;
int error;
if (((user) ? (id != current->fsuid) : (!in_group_p(id))) &&
!capable(CAP_SYS_ADMIN))
return -EACCES;
error = qd_get(sdp, user, id, CREATE, &qd);
if (error)
return error;
error = do_glock(qd, NO_FORCE, &q_gh);
if (error)
goto out;
memset(q, 0, sizeof(struct gfs2_quota));
q->qu_limit = be64_to_cpu(qd->qd_qb.qb_limit);
q->qu_warn = be64_to_cpu(qd->qd_qb.qb_warn);
q->qu_value = be64_to_cpu(qd->qd_qb.qb_value);
spin_lock(&sdp->sd_quota_spin);
q->qu_value += qd->qd_change;
spin_unlock(&sdp->sd_quota_spin);
gfs2_glock_dq_uninit(&q_gh);
out:
qd_put(qd);
return error;
}
#endif /* 0 */
int gfs2_quota_init(struct gfs2_sbd *sdp)
{
struct gfs2_inode *ip = GFS2_I(sdp->sd_qc_inode);
......
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