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staging: lustre: libcfs: remove wi_data from cfs_workitem 

In every case, the value passed via wi_data can be determined
from the cfs_workitem pointer using container_of().

So use container_of(), and discard wi_data.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
NeilBrown 2017-12-18 12:25:19 +11:00 committed by Greg Kroah-Hartman
parent 0aa211e398
commit 19ae89d325
4 changed files with 11 additions and 14 deletions
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5
drivers/staging/lustre/include/linux/libcfs/libcfs_workitem.h
View File

@ -75,8 +75,6 @@ struct cfs_workitem {
struct list_head wi_list;
/** working function */
cfs_wi_action_t wi_action;
/** arg for working function */
void *wi_data;
/** in running */
unsigned short wi_running:1;
/** scheduled */
@ -84,13 +82,12 @@ struct cfs_workitem {
};
static inline void
cfs_wi_init(struct cfs_workitem *wi, void *data, cfs_wi_action_t action)
cfs_wi_init(struct cfs_workitem *wi, cfs_wi_action_t action)
{
INIT_LIST_HEAD(&wi->wi_list);
wi->wi_running = 0;
wi->wi_scheduled = 0;
wi->wi_data = data;
wi->wi_action = action;
}

4
drivers/staging/lustre/lnet/selftest/framework.c
View File

@ -944,7 +944,7 @@ sfw_create_test_rpc(struct sfw_test_unit *tsu, struct lnet_process_id peer,
static int
sfw_run_test(struct swi_workitem *wi)
{
struct sfw_test_unit *tsu = wi->swi_workitem.wi_data;
struct sfw_test_unit *tsu = container_of(wi, struct sfw_test_unit, tsu_worker);
struct sfw_test_instance *tsi = tsu->tsu_instance;
struct srpc_client_rpc *rpc = NULL;
@ -1016,7 +1016,7 @@ sfw_run_batch(struct sfw_batch *tsb)
atomic_inc(&tsi->tsi_nactive);
tsu->tsu_loop = tsi->tsi_loop;
wi = &tsu->tsu_worker;
swi_init_workitem(wi, tsu, sfw_run_test,
swi_init_workitem(wi, sfw_run_test,
lst_sched_test[lnet_cpt_of_nid(tsu->tsu_dest.nid)]);
swi_schedule_workitem(wi);
}

10
drivers/staging/lustre/lnet/selftest/rpc.c
View File

@ -176,7 +176,7 @@ srpc_init_server_rpc(struct srpc_server_rpc *rpc,
struct srpc_buffer *buffer)
{
memset(rpc, 0, sizeof(*rpc));
swi_init_workitem(&rpc->srpc_wi, rpc, srpc_handle_rpc,
swi_init_workitem(&rpc->srpc_wi, srpc_handle_rpc,
srpc_serv_is_framework(scd->scd_svc) ?
lst_sched_serial : lst_sched_test[scd->scd_cpt]);
@ -280,7 +280,7 @@ srpc_service_init(struct srpc_service *svc)
* NB: don't use lst_sched_serial for adding buffer,
* see details in srpc_service_add_buffers()
*/
swi_init_workitem(&scd->scd_buf_wi, scd,
swi_init_workitem(&scd->scd_buf_wi,
srpc_add_buffer, lst_sched_test[i]);
if (i && srpc_serv_is_framework(svc)) {
@ -517,7 +517,7 @@ __must_hold(&scd->scd_lock)
int
srpc_add_buffer(struct swi_workitem *wi)
{
struct srpc_service_cd *scd = wi->swi_workitem.wi_data;
struct srpc_service_cd *scd = container_of(wi, struct srpc_service_cd, scd_buf_wi);
struct srpc_buffer *buf;
int rc = 0;
@ -968,7 +968,7 @@ srpc_server_rpc_done(struct srpc_server_rpc *rpc, int status)
int
srpc_handle_rpc(struct swi_workitem *wi)
{
struct srpc_server_rpc *rpc = wi->swi_workitem.wi_data;
struct srpc_server_rpc *rpc = container_of(wi, struct srpc_server_rpc, srpc_wi);
struct srpc_service_cd *scd = rpc->srpc_scd;
struct srpc_service *sv = scd->scd_svc;
struct srpc_event *ev = &rpc->srpc_ev;
@ -1188,7 +1188,7 @@ srpc_send_rpc(struct swi_workitem *wi)
LASSERT(wi);
rpc = wi->swi_workitem.wi_data;
rpc = container_of(wi, struct srpc_client_rpc, crpc_wi);
LASSERT(rpc);
LASSERT(wi == &rpc->crpc_wi);

6
drivers/staging/lustre/lnet/selftest/selftest.h
View File

@ -476,13 +476,13 @@ swi_wi_action(struct cfs_workitem *wi)
}
static inline void
swi_init_workitem(struct swi_workitem *swi, void *data,
swi_init_workitem(struct swi_workitem *swi,
swi_action_t action, struct cfs_wi_sched *sched)
{
swi->swi_sched = sched;
swi->swi_action = action;
swi->swi_state = SWI_STATE_NEWBORN;
cfs_wi_init(&swi->swi_workitem, data, swi_wi_action);
cfs_wi_init(&swi->swi_workitem, swi_wi_action);
}
static inline void
@ -533,7 +533,7 @@ srpc_init_client_rpc(struct srpc_client_rpc *rpc, struct lnet_process_id peer,
crpc_bulk.bk_iovs[nbulkiov]));
INIT_LIST_HEAD(&rpc->crpc_list);
swi_init_workitem(&rpc->crpc_wi, rpc, srpc_send_rpc,
swi_init_workitem(&rpc->crpc_wi, srpc_send_rpc,
lst_sched_test[lnet_cpt_of_nid(peer.nid)]);
spin_lock_init(&rpc->crpc_lock);
atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */