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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.c157
1 files changed, 62 insertions, 95 deletions
diff --git a/drivers/staging/lustre/lustre/lov/lov_request.c b/drivers/staging/lustre/lustre/lov/lov_request.c
index 13f1637bc700..61e6d0b46c98 100644
--- a/drivers/staging/lustre/lustre/lov/lov_request.c
+++ b/drivers/staging/lustre/lustre/lov/lov_request.c
@@ -60,7 +60,6 @@ static void lov_init_set(struct lov_request_set *set)
void lov_finish_set(struct lov_request_set *set)
{
struct list_head *pos, *n;
- ENTRY;
LASSERT(set);
list_for_each_safe(pos, n, &set->set_list) {
@@ -87,7 +86,6 @@ void lov_finish_set(struct lov_request_set *set)
lov_llh_put(set->set_lockh);
OBD_FREE(set, sizeof(*set));
- EXIT;
}
int lov_set_finished(struct lov_request_set *set, int idempotent)
@@ -122,7 +120,6 @@ 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;
- ENTRY;
lov_update_set(set, req, rc);
@@ -132,7 +129,7 @@ int lov_update_common_set(struct lov_request_set *set,
rc = 0;
/* FIXME in raid1 regime, should return 0 */
- RETURN(rc);
+ return rc;
}
void lov_set_add_req(struct lov_request *req, struct lov_request_set *set)
@@ -232,7 +229,6 @@ int lov_update_enqueue_set(struct lov_request *req, __u32 mode, int rc)
struct lustre_handle *lov_lockhp;
struct obd_info *oi = set->set_oi;
struct lov_oinfo *loi;
- ENTRY;
LASSERT(oi != NULL);
@@ -254,7 +250,7 @@ int lov_update_enqueue_set(struct lov_request *req, __u32 mode, int rc)
req->rq_idx, &oi->oi_md->lsm_oi, rc);
lov_stripe_unlock(oi->oi_md);
lov_update_set(set, req, rc);
- RETURN(rc);
+ return rc;
}
/* The callback for osc_enqueue that updates lov info for every OSC request. */
@@ -275,11 +271,10 @@ static int enqueue_done(struct lov_request_set *set, __u32 mode)
struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
int completes = atomic_read(&set->set_completes);
int rc = 0;
- ENTRY;
/* enqueue/match success, just return */
if (completes && completes == atomic_read(&set->set_success))
- RETURN(0);
+ return 0;
/* cancel enqueued/matched locks */
list_for_each_entry(req, &set->set_list, rq_link) {
@@ -305,17 +300,16 @@ static int enqueue_done(struct lov_request_set *set, __u32 mode)
}
if (set->set_lockh)
lov_llh_put(set->set_lockh);
- RETURN(rc);
+ return rc;
}
int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
struct ptlrpc_request_set *rqset)
{
int ret = 0;
- ENTRY;
if (set == NULL)
- RETURN(0);
+ return 0;
LASSERT(set->set_exp);
/* Do enqueue_done only for sync requests and if any request
* succeeded. */
@@ -328,7 +322,7 @@ int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
lov_put_reqset(set);
- RETURN(rc ? rc : ret);
+ return rc ? rc : ret;
}
static void lov_llh_addref(void *llhp)
@@ -369,11 +363,10 @@ int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
struct lov_obd *lov = &exp->exp_obd->u.lov;
struct lov_request_set *set;
int i, rc = 0;
- ENTRY;
OBD_ALLOC(set, sizeof(*set));
if (set == NULL)
- RETURN(-ENOMEM);
+ return -ENOMEM;
lov_init_set(set);
set->set_exp = exp;
@@ -445,19 +438,18 @@ int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
if (!set->set_count)
GOTO(out_set, rc = -EIO);
*reqset = set;
- RETURN(0);
+ return 0;
out_set:
lov_fini_enqueue_set(set, einfo->ei_mode, rc, NULL);
- RETURN(rc);
+ return rc;
}
int lov_fini_match_set(struct lov_request_set *set, __u32 mode, int flags)
{
int rc = 0;
- ENTRY;
if (set == NULL)
- RETURN(0);
+ return 0;
LASSERT(set->set_exp);
rc = enqueue_done(set, mode);
if ((set->set_count == atomic_read(&set->set_success)) &&
@@ -466,7 +458,7 @@ int lov_fini_match_set(struct lov_request_set *set, __u32 mode, int flags)
lov_put_reqset(set);
- RETURN(rc);
+ return rc;
}
int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo,
@@ -477,11 +469,10 @@ int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo,
struct lov_obd *lov = &exp->exp_obd->u.lov;
struct lov_request_set *set;
int i, rc = 0;
- ENTRY;
OBD_ALLOC(set, sizeof(*set));
if (set == NULL)
- RETURN(-ENOMEM);
+ return -ENOMEM;
lov_init_set(set);
set->set_exp = exp;
@@ -535,19 +526,18 @@ int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo,
if (!set->set_count)
GOTO(out_set, rc = -EIO);
*reqset = set;
- RETURN(rc);
+ return rc;
out_set:
lov_fini_match_set(set, mode, 0);
- RETURN(rc);
+ return rc;
}
int lov_fini_cancel_set(struct lov_request_set *set)
{
int rc = 0;
- ENTRY;
if (set == NULL)
- RETURN(0);
+ return 0;
LASSERT(set->set_exp);
if (set->set_lockh)
@@ -555,7 +545,7 @@ int lov_fini_cancel_set(struct lov_request_set *set)
lov_put_reqset(set);
- RETURN(rc);
+ return rc;
}
int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
@@ -565,11 +555,10 @@ int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
{
struct lov_request_set *set;
int i, rc = 0;
- ENTRY;
OBD_ALLOC(set, sizeof(*set));
if (set == NULL)
- RETURN(-ENOMEM);
+ return -ENOMEM;
lov_init_set(set);
set->set_exp = exp;
@@ -617,10 +606,10 @@ int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
if (!set->set_count)
GOTO(out_set, rc = -EIO);
*reqset = set;
- RETURN(rc);
+ return rc;
out_set:
lov_fini_cancel_set(set);
- RETURN(rc);
+ return rc;
}
static int common_attr_done(struct lov_request_set *set)
{
@@ -628,15 +617,14 @@ static int common_attr_done(struct lov_request_set *set)
struct lov_request *req;
struct obdo *tmp_oa;
int rc = 0, attrset = 0;
- ENTRY;
LASSERT(set->set_oi != NULL);
if (set->set_oi->oi_oa == NULL)
- RETURN(0);
+ return 0;
if (!atomic_read(&set->set_success))
- RETURN(-EIO);
+ return -EIO;
OBDO_ALLOC(tmp_oa);
if (tmp_oa == NULL)
@@ -670,7 +658,7 @@ static int common_attr_done(struct lov_request_set *set)
out:
if (tmp_oa)
OBDO_FREE(tmp_oa);
- RETURN(rc);
+ return rc;
}
@@ -680,7 +668,6 @@ static int brw_done(struct lov_request_set *set)
struct lov_oinfo *loi = NULL;
struct list_head *pos;
struct lov_request *req;
- ENTRY;
list_for_each (pos, &set->set_list) {
req = list_entry(pos, struct lov_request, rq_link);
@@ -694,16 +681,15 @@ static int brw_done(struct lov_request_set *set)
loi->loi_lvb.lvb_blocks = req->rq_oi.oi_oa->o_blocks;
}
- RETURN(0);
+ return 0;
}
int lov_fini_brw_set(struct lov_request_set *set)
{
int rc = 0;
- ENTRY;
if (set == NULL)
- RETURN(0);
+ return 0;
LASSERT(set->set_exp);
if (atomic_read(&set->set_completes)) {
rc = brw_done(set);
@@ -711,7 +697,7 @@ int lov_fini_brw_set(struct lov_request_set *set)
}
lov_put_reqset(set);
- RETURN(rc);
+ return rc;
}
int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
@@ -727,11 +713,10 @@ int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
struct lov_request_set *set;
struct lov_obd *lov = &exp->exp_obd->u.lov;
int rc = 0, i, shift;
- ENTRY;
OBD_ALLOC(set, sizeof(*set));
if (set == NULL)
- RETURN(-ENOMEM);
+ return -ENOMEM;
lov_init_set(set);
set->set_exp = exp;
@@ -832,23 +817,22 @@ out:
else
lov_fini_brw_set(set);
- RETURN(rc);
+ return rc;
}
int lov_fini_getattr_set(struct lov_request_set *set)
{
int rc = 0;
- ENTRY;
if (set == NULL)
- RETURN(0);
+ return 0;
LASSERT(set->set_exp);
if (atomic_read(&set->set_completes))
rc = common_attr_done(set);
lov_put_reqset(set);
- RETURN(rc);
+ return rc;
}
/* The callback for osc_getattr_async that finilizes a request info when a
@@ -867,11 +851,10 @@ int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
struct lov_request_set *set;
struct lov_obd *lov = &exp->exp_obd->u.lov;
int rc = 0, i;
- ENTRY;
OBD_ALLOC(set, sizeof(*set));
if (set == NULL)
- RETURN(-ENOMEM);
+ return -ENOMEM;
lov_init_set(set);
set->set_exp = exp;
@@ -913,18 +896,16 @@ int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
if (!set->set_count)
GOTO(out_set, rc = -EIO);
*reqset = set;
- RETURN(rc);
+ return rc;
out_set:
lov_fini_getattr_set(set);
- RETURN(rc);
+ return rc;
}
int lov_fini_destroy_set(struct lov_request_set *set)
{
- ENTRY;
-
if (set == NULL)
- RETURN(0);
+ return 0;
LASSERT(set->set_exp);
if (atomic_read(&set->set_completes)) {
/* FIXME update qos data here */
@@ -932,7 +913,7 @@ int lov_fini_destroy_set(struct lov_request_set *set)
lov_put_reqset(set);
- RETURN(0);
+ return 0;
}
int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
@@ -943,11 +924,10 @@ int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
struct lov_request_set *set;
struct lov_obd *lov = &exp->exp_obd->u.lov;
int rc = 0, i;
- ENTRY;
OBD_ALLOC(set, sizeof(*set));
if (set == NULL)
- RETURN(-ENOMEM);
+ return -ENOMEM;
lov_init_set(set);
set->set_exp = exp;
@@ -987,19 +967,18 @@ int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
if (!set->set_count)
GOTO(out_set, rc = -EIO);
*reqset = set;
- RETURN(rc);
+ return rc;
out_set:
lov_fini_destroy_set(set);
- RETURN(rc);
+ return rc;
}
int lov_fini_setattr_set(struct lov_request_set *set)
{
int rc = 0;
- ENTRY;
if (set == NULL)
- RETURN(0);
+ return 0;
LASSERT(set->set_exp);
if (atomic_read(&set->set_completes)) {
rc = common_attr_done(set);
@@ -1007,7 +986,7 @@ int lov_fini_setattr_set(struct lov_request_set *set)
}
lov_put_reqset(set);
- RETURN(rc);
+ return rc;
}
int lov_update_setattr_set(struct lov_request_set *set,
@@ -1015,7 +994,6 @@ int lov_update_setattr_set(struct lov_request_set *set,
{
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;
- ENTRY;
lov_update_set(set, req, rc);
@@ -1036,7 +1014,7 @@ int lov_update_setattr_set(struct lov_request_set *set,
req->rq_oi.oi_oa->o_atime;
}
- RETURN(rc);
+ return rc;
}
/* The callback for osc_setattr_async that finilizes a request info when a
@@ -1056,11 +1034,10 @@ int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
struct lov_request_set *set;
struct lov_obd *lov = &exp->exp_obd->u.lov;
int rc = 0, i;
- ENTRY;
OBD_ALLOC(set, sizeof(*set));
if (set == NULL)
- RETURN(-ENOMEM);
+ return -ENOMEM;
lov_init_set(set);
set->set_exp = exp;
@@ -1113,19 +1090,18 @@ int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
if (!set->set_count)
GOTO(out_set, rc = -EIO);
*reqset = set;
- RETURN(rc);
+ return rc;
out_set:
lov_fini_setattr_set(set);
- RETURN(rc);
+ return rc;
}
int lov_fini_punch_set(struct lov_request_set *set)
{
int rc = 0;
- ENTRY;
if (set == NULL)
- RETURN(0);
+ return 0;
LASSERT(set->set_exp);
if (atomic_read(&set->set_completes)) {
rc = -EIO;
@@ -1136,7 +1112,7 @@ int lov_fini_punch_set(struct lov_request_set *set)
lov_put_reqset(set);
- RETURN(rc);
+ return rc;
}
int lov_update_punch_set(struct lov_request_set *set,
@@ -1144,7 +1120,6 @@ int lov_update_punch_set(struct lov_request_set *set,
{
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;
- ENTRY;
lov_update_set(set, req, rc);
@@ -1162,7 +1137,7 @@ int lov_update_punch_set(struct lov_request_set *set,
lov_stripe_unlock(lsm);
}
- RETURN(rc);
+ return rc;
}
/* The callback for osc_punch that finilizes a request info when a response
@@ -1182,11 +1157,10 @@ int lov_prep_punch_set(struct obd_export *exp, struct obd_info *oinfo,
struct lov_request_set *set;
struct lov_obd *lov = &exp->exp_obd->u.lov;
int rc = 0, i;
- ENTRY;
OBD_ALLOC(set, sizeof(*set));
if (set == NULL)
- RETURN(-ENOMEM);
+ return -ENOMEM;
lov_init_set(set);
set->set_oi = oinfo;
@@ -1238,19 +1212,18 @@ int lov_prep_punch_set(struct obd_export *exp, struct obd_info *oinfo,
if (!set->set_count)
GOTO(out_set, rc = -EIO);
*reqset = set;
- RETURN(rc);
+ return rc;
out_set:
lov_fini_punch_set(set);
- RETURN(rc);
+ return rc;
}
int lov_fini_sync_set(struct lov_request_set *set)
{
int rc = 0;
- ENTRY;
if (set == NULL)
- RETURN(0);
+ return 0;
LASSERT(set->set_exp);
if (atomic_read(&set->set_completes)) {
if (!atomic_read(&set->set_success))
@@ -1260,7 +1233,7 @@ int lov_fini_sync_set(struct lov_request_set *set)
lov_put_reqset(set);
- RETURN(rc);
+ return rc;
}
/* The callback for osc_sync that finilizes a request info when a
@@ -1281,11 +1254,10 @@ int lov_prep_sync_set(struct obd_export *exp, struct obd_info *oinfo,
struct lov_request_set *set;
struct lov_obd *lov = &exp->exp_obd->u.lov;
int rc = 0, i;
- ENTRY;
OBD_ALLOC_PTR(set);
if (set == NULL)
- RETURN(-ENOMEM);
+ return -ENOMEM;
lov_init_set(set);
set->set_exp = exp;
@@ -1330,10 +1302,10 @@ int lov_prep_sync_set(struct obd_export *exp, struct obd_info *oinfo,
if (!set->set_count)
GOTO(out_set, rc = -EIO);
*reqset = set;
- RETURN(rc);
+ return rc;
out_set:
lov_fini_sync_set(set);
- RETURN(rc);
+ return rc;
}
#define LOV_U64_MAX ((__u64)~0ULL)
@@ -1347,8 +1319,6 @@ out_set:
int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,int success)
{
- ENTRY;
-
if (success) {
__u32 expected_stripes = lov_get_stripecnt(&obd->u.lov,
LOV_MAGIC, 0);
@@ -1361,26 +1331,25 @@ int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,int success)
memcpy(&obd->obd_osfs, osfs, sizeof(*osfs));
obd->obd_osfs_age = cfs_time_current_64();
spin_unlock(&obd->obd_osfs_lock);
- RETURN(0);
+ return 0;
}
- RETURN(-EIO);
+ return -EIO;
}
int lov_fini_statfs_set(struct lov_request_set *set)
{
int rc = 0;
- ENTRY;
if (set == NULL)
- RETURN(0);
+ return 0;
if (atomic_read(&set->set_completes)) {
rc = lov_fini_statfs(set->set_obd, set->set_oi->oi_osfs,
atomic_read(&set->set_success));
}
lov_put_reqset(set);
- RETURN(rc);
+ return rc;
}
void lov_update_statfs(struct obd_statfs *osfs, struct obd_statfs *lov_sfs,
@@ -1450,7 +1419,6 @@ static int cb_statfs_update(void *cookie, int rc)
struct lov_tgt_desc *tgt;
struct obd_device *lovobd, *tgtobd;
int success;
- ENTRY;
lovreq = container_of(oinfo, struct lov_request, rq_oi);
set = lovreq->rq_rqset;
@@ -1488,7 +1456,7 @@ out:
atomic_read(&set->set_success));
}
- RETURN(0);
+ return 0;
}
int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
@@ -1497,11 +1465,10 @@ int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
struct lov_request_set *set;
struct lov_obd *lov = &obd->u.lov;
int rc = 0, i;
- ENTRY;
OBD_ALLOC(set, sizeof(*set));
if (set == NULL)
- RETURN(-ENOMEM);
+ return -ENOMEM;
lov_init_set(set);
set->set_obd = obd;
@@ -1544,8 +1511,8 @@ int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
if (!set->set_count)
GOTO(out_set, rc = -EIO);
*reqset = set;
- RETURN(rc);
+ return rc;
out_set:
lov_fini_statfs_set(set);
- RETURN(rc);
+ return rc;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.