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path: root/drivers/staging/lustre/lustre/lov/lov_request.c
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Diffstat (limited to 'drivers/staging/lustre/lustre/lov/lov_request.c')
-rw-r--r--drivers/staging/lustre/lustre/lov/lov_request.c292
1 files changed, 0 insertions, 292 deletions
diff --git a/drivers/staging/lustre/lustre/lov/lov_request.c b/drivers/staging/lustre/lustre/lov/lov_request.c
index 09dcaf484c89..d43cc88ae641 100644
--- a/drivers/staging/lustre/lustre/lov/lov_request.c
+++ b/drivers/staging/lustre/lustre/lov/lov_request.c
@@ -44,7 +44,6 @@ static void lov_init_set(struct lov_request_set *set)
atomic_set(&set->set_completes, 0);
atomic_set(&set->set_success, 0);
atomic_set(&set->set_finish_checked, 0);
- set->set_cookies = NULL;
INIT_LIST_HEAD(&set->set_list);
atomic_set(&set->set_refcount, 1);
init_waitqueue_head(&set->set_waitq);
@@ -61,8 +60,6 @@ void lov_finish_set(struct lov_request_set *set)
rq_link);
list_del_init(&req->rq_link);
- if (req->rq_oi.oi_oa)
- kmem_cache_free(obdo_cachep, req->rq_oi.oi_oa);
kfree(req->rq_oi.oi_osfs);
kfree(req);
}
@@ -97,22 +94,6 @@ static void lov_update_set(struct lov_request_set *set,
wake_up(&set->set_waitq);
}
-int lov_update_common_set(struct lov_request_set *set,
- struct lov_request *req, int rc)
-{
- struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
-
- lov_update_set(set, req, rc);
-
- /* grace error on inactive ost */
- if (rc && !(lov->lov_tgts[req->rq_idx] &&
- lov->lov_tgts[req->rq_idx]->ltd_active))
- rc = 0;
-
- /* FIXME in raid1 regime, should return 0 */
- return rc;
-}
-
static void lov_set_add_req(struct lov_request *req,
struct lov_request_set *set)
{
@@ -183,279 +164,6 @@ out:
return rc;
}
-static int common_attr_done(struct lov_request_set *set)
-{
- struct lov_request *req;
- struct obdo *tmp_oa;
- int rc = 0, attrset = 0;
-
- if (!set->set_oi->oi_oa)
- return 0;
-
- if (!atomic_read(&set->set_success))
- return -EIO;
-
- tmp_oa = kmem_cache_zalloc(obdo_cachep, GFP_NOFS);
- if (!tmp_oa) {
- rc = -ENOMEM;
- goto out;
- }
-
- list_for_each_entry(req, &set->set_list, rq_link) {
- if (!req->rq_complete || req->rq_rc)
- continue;
- if (req->rq_oi.oi_oa->o_valid == 0) /* inactive stripe */
- continue;
- lov_merge_attrs(tmp_oa, req->rq_oi.oi_oa,
- req->rq_oi.oi_oa->o_valid,
- set->set_oi->oi_md, req->rq_stripe, &attrset);
- }
- if (!attrset) {
- CERROR("No stripes had valid attrs\n");
- rc = -EIO;
- }
- if ((set->set_oi->oi_oa->o_valid & OBD_MD_FLEPOCH) &&
- (set->set_oi->oi_md->lsm_stripe_count != attrset)) {
- /* When we take attributes of some epoch, we require all the
- * ost to be active.
- */
- CERROR("Not all the stripes had valid attrs\n");
- rc = -EIO;
- goto out;
- }
-
- tmp_oa->o_oi = set->set_oi->oi_oa->o_oi;
- memcpy(set->set_oi->oi_oa, tmp_oa, sizeof(*set->set_oi->oi_oa));
-out:
- if (tmp_oa)
- kmem_cache_free(obdo_cachep, tmp_oa);
- return rc;
-}
-
-int lov_fini_getattr_set(struct lov_request_set *set)
-{
- int rc = 0;
-
- if (!set)
- return 0;
- LASSERT(set->set_exp);
- if (atomic_read(&set->set_completes))
- rc = common_attr_done(set);
-
- lov_put_reqset(set);
-
- return rc;
-}
-
-/* The callback for osc_getattr_async that finalizes a request info when a
- * response is received.
- */
-static int cb_getattr_update(void *cookie, int rc)
-{
- struct obd_info *oinfo = cookie;
- struct lov_request *lovreq;
-
- lovreq = container_of(oinfo, struct lov_request, rq_oi);
- return lov_update_common_set(lovreq->rq_rqset, lovreq, rc);
-}
-
-int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
- struct lov_request_set **reqset)
-{
- struct lov_request_set *set;
- struct lov_obd *lov = &exp->exp_obd->u.lov;
- int rc = 0, i;
-
- set = kzalloc(sizeof(*set), GFP_NOFS);
- if (!set)
- return -ENOMEM;
- lov_init_set(set);
-
- set->set_exp = exp;
- set->set_oi = oinfo;
-
- for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
- struct lov_oinfo *loi;
- struct lov_request *req;
-
- loi = oinfo->oi_md->lsm_oinfo[i];
- if (lov_oinfo_is_dummy(loi))
- continue;
-
- if (!lov_check_and_wait_active(lov, loi->loi_ost_idx)) {
- CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
- if (oinfo->oi_oa->o_valid & OBD_MD_FLEPOCH) {
- /* SOM requires all the OSTs to be active. */
- rc = -EIO;
- goto out_set;
- }
- continue;
- }
-
- req = kzalloc(sizeof(*req), GFP_NOFS);
- if (!req) {
- rc = -ENOMEM;
- goto out_set;
- }
-
- req->rq_stripe = i;
- req->rq_idx = loi->loi_ost_idx;
-
- req->rq_oi.oi_oa = kmem_cache_zalloc(obdo_cachep, GFP_NOFS);
- if (!req->rq_oi.oi_oa) {
- kfree(req);
- rc = -ENOMEM;
- goto out_set;
- }
- memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
- sizeof(*req->rq_oi.oi_oa));
- req->rq_oi.oi_oa->o_oi = loi->loi_oi;
- req->rq_oi.oi_cb_up = cb_getattr_update;
-
- lov_set_add_req(req, set);
- }
- if (!set->set_count) {
- rc = -EIO;
- goto out_set;
- }
- *reqset = set;
- return rc;
-out_set:
- lov_fini_getattr_set(set);
- return rc;
-}
-
-int lov_fini_setattr_set(struct lov_request_set *set)
-{
- int rc = 0;
-
- if (!set)
- return 0;
- LASSERT(set->set_exp);
- if (atomic_read(&set->set_completes)) {
- rc = common_attr_done(set);
- /* FIXME update qos data here */
- }
-
- lov_put_reqset(set);
- return rc;
-}
-
-int lov_update_setattr_set(struct lov_request_set *set,
- struct lov_request *req, int rc)
-{
- struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
- struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
-
- lov_update_set(set, req, rc);
-
- /* grace error on inactive ost */
- if (rc && !(lov->lov_tgts[req->rq_idx] &&
- lov->lov_tgts[req->rq_idx]->ltd_active))
- rc = 0;
-
- if (rc == 0) {
- if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCTIME)
- lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_ctime =
- req->rq_oi.oi_oa->o_ctime;
- if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLMTIME)
- lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_mtime =
- req->rq_oi.oi_oa->o_mtime;
- if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLATIME)
- lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_atime =
- req->rq_oi.oi_oa->o_atime;
- }
-
- return rc;
-}
-
-/* The callback for osc_setattr_async that finalizes a request info when a
- * response is received.
- */
-static int cb_setattr_update(void *cookie, int rc)
-{
- struct obd_info *oinfo = cookie;
- struct lov_request *lovreq;
-
- lovreq = container_of(oinfo, struct lov_request, rq_oi);
- return lov_update_setattr_set(lovreq->rq_rqset, lovreq, rc);
-}
-
-int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
- struct obd_trans_info *oti,
- struct lov_request_set **reqset)
-{
- struct lov_request_set *set;
- struct lov_obd *lov = &exp->exp_obd->u.lov;
- int rc = 0, i;
-
- set = kzalloc(sizeof(*set), GFP_NOFS);
- if (!set)
- return -ENOMEM;
- lov_init_set(set);
-
- set->set_exp = exp;
- set->set_oi = oinfo;
- if (oti && oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
- set->set_cookies = oti->oti_logcookies;
-
- for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
- struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
- struct lov_request *req;
-
- if (lov_oinfo_is_dummy(loi))
- continue;
-
- if (!lov_check_and_wait_active(lov, loi->loi_ost_idx)) {
- CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
- continue;
- }
-
- req = kzalloc(sizeof(*req), GFP_NOFS);
- if (!req) {
- rc = -ENOMEM;
- goto out_set;
- }
- req->rq_stripe = i;
- req->rq_idx = loi->loi_ost_idx;
-
- req->rq_oi.oi_oa = kmem_cache_zalloc(obdo_cachep, GFP_NOFS);
- if (!req->rq_oi.oi_oa) {
- kfree(req);
- rc = -ENOMEM;
- goto out_set;
- }
- memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
- sizeof(*req->rq_oi.oi_oa));
- req->rq_oi.oi_oa->o_oi = loi->loi_oi;
- req->rq_oi.oi_oa->o_stripe_idx = i;
- req->rq_oi.oi_cb_up = cb_setattr_update;
-
- if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE) {
- int off = lov_stripe_offset(oinfo->oi_md,
- oinfo->oi_oa->o_size, i,
- &req->rq_oi.oi_oa->o_size);
-
- if (off < 0 && req->rq_oi.oi_oa->o_size)
- req->rq_oi.oi_oa->o_size--;
-
- CDEBUG(D_INODE, "stripe %d has size %llu/%llu\n",
- i, req->rq_oi.oi_oa->o_size,
- oinfo->oi_oa->o_size);
- }
- lov_set_add_req(req, set);
- }
- if (!set->set_count) {
- rc = -EIO;
- goto out_set;
- }
- *reqset = set;
- return rc;
-out_set:
- lov_fini_setattr_set(set);
- return rc;
-}
-
#define LOV_U64_MAX ((__u64)~0ULL)
#define LOV_SUM_MAX(tot, add) \
do { \
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