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vhost: reorder foreach_sesion_continue

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Put it next to other functions in this call chain.

Change-Id: Ic621855b028f9bd110cdcda86b3a182369ec5e90
Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/459165
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This commit is contained in:
Darek Stojaczyk 2019-06-24 12:57:32 +02:00
parent 74243e36b9
commit d476d10665
1 changed files with 62 additions and 62 deletions
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124
lib/vhost/vhost.c
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@ -1019,6 +1019,68 @@ out_unlock:
free(ctx); free(ctx);
} }
static void
foreach_session_continue(struct spdk_vhost_dev *vdev,
struct spdk_vhost_session *vsession,
spdk_vhost_session_fn fn, void *arg)
{
struct spdk_vhost_session_fn_ctx *ev_ctx;
int rc;
if (vsession == NULL) {
goto out_finish_foreach;
}
while (!vsession->started) {
if (vsession->initialized) {
rc = fn(vdev, vsession, arg);
if (rc < 0) {
return;
}
}
vsession = spdk_vhost_session_next(vdev, vsession->id);
if (vsession == NULL) {
goto out_finish_foreach;
}
}
ev_ctx = calloc(1, sizeof(*ev_ctx));
if (ev_ctx == NULL) {
SPDK_ERRLOG("Failed to alloc vhost event.\n");
assert(false);
return;
}
ev_ctx->vdev = vdev;
ev_ctx->vsession_id = vsession->id;
ev_ctx->cb_fn = fn;
ev_ctx->user_ctx = arg;
spdk_thread_send_msg(vsession->poll_group->thread,
foreach_session_continue_cb, ev_ctx);
return;
out_finish_foreach:
/* there are no more sessions to iterate through, so call the
* fn one last time with vsession == NULL
*/
assert(vdev->pending_async_op_num > 0);
vdev->pending_async_op_num--;
fn(vdev, NULL, arg);
}
void
spdk_vhost_dev_foreach_session(struct spdk_vhost_dev *vdev,
spdk_vhost_session_fn fn, void *arg)
{
struct spdk_vhost_session *vsession = TAILQ_FIRST(&vdev->vsessions);
assert(vdev->pending_async_op_num < UINT32_MAX);
vdev->pending_async_op_num++;
foreach_session_continue(vdev, vsession, fn, arg);
}
static void static void
_stop_session(struct spdk_vhost_session *vsession) _stop_session(struct spdk_vhost_session *vsession)
{ {
@ -1332,68 +1394,6 @@ destroy_connection(int vid)
pthread_mutex_unlock(&g_spdk_vhost_mutex); pthread_mutex_unlock(&g_spdk_vhost_mutex);
} }
static void
foreach_session_continue(struct spdk_vhost_dev *vdev,
struct spdk_vhost_session *vsession,
spdk_vhost_session_fn fn, void *arg)
{
struct spdk_vhost_session_fn_ctx *ev_ctx;
int rc;
if (vsession == NULL) {
goto out_finish_foreach;
}
while (!vsession->started) {
if (vsession->initialized) {
rc = fn(vdev, vsession, arg);
if (rc < 0) {
return;
}
}
vsession = spdk_vhost_session_next(vdev, vsession->id);
if (vsession == NULL) {
goto out_finish_foreach;
}
}
ev_ctx = calloc(1, sizeof(*ev_ctx));
if (ev_ctx == NULL) {
SPDK_ERRLOG("Failed to alloc vhost event.\n");
assert(false);
return;
}
ev_ctx->vdev = vdev;
ev_ctx->vsession_id = vsession->id;
ev_ctx->cb_fn = fn;
ev_ctx->user_ctx = arg;
spdk_thread_send_msg(vsession->poll_group->thread,
foreach_session_continue_cb, ev_ctx);
return;
out_finish_foreach:
/* there are no more sessions to iterate through, so call the
* fn one last time with vsession == NULL
*/
assert(vdev->pending_async_op_num > 0);
vdev->pending_async_op_num--;
fn(vdev, NULL, arg);
}
void
spdk_vhost_dev_foreach_session(struct spdk_vhost_dev *vdev,
spdk_vhost_session_fn fn, void *arg)
{
struct spdk_vhost_session *vsession = TAILQ_FIRST(&vdev->vsessions);
assert(vdev->pending_async_op_num < UINT32_MAX);
vdev->pending_async_op_num++;
foreach_session_continue(vdev, vsession, fn, arg);
}
void void
spdk_vhost_lock(void) spdk_vhost_lock(void)
{ {