[PATCH 06/10] staging: lustre: ldlm: minor list_entry improvements in ldlm_request.c

From: NeilBrown
Date: Mon Oct 30 2017 - 01:00:58 EST


Signed-off-by: NeilBrown <neilb@xxxxxxxx>
---
drivers/staging/lustre/lustre/ldlm/ldlm_request.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c
index f5e791a92f62..1e7b8fc4dd00 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c
@@ -1642,7 +1642,7 @@ int ldlm_cli_cancel_list(struct list_head *cancels, int count,
*/
while (count > 0) {
LASSERT(!list_empty(cancels));
- lock = list_entry(cancels->next, struct ldlm_lock, l_bl_ast);
+ lock = list_first_entry(cancels, struct ldlm_lock, l_bl_ast);
LASSERT(lock->l_conn_export);

if (exp_connect_cancelset(lock->l_conn_export)) {
@@ -1766,7 +1766,7 @@ EXPORT_SYMBOL(ldlm_cli_cancel_unused);
static int ldlm_resource_foreach(struct ldlm_resource *res,
ldlm_iterator_t iter, void *closure)
{
- struct list_head *tmp, *next;
+ struct ldlm_lock *tmp;
struct ldlm_lock *lock;
int rc = LDLM_ITER_CONTINUE;

@@ -1774,18 +1774,14 @@ static int ldlm_resource_foreach(struct ldlm_resource *res,
return LDLM_ITER_CONTINUE;

lock_res(res);
- list_for_each_safe(tmp, next, &res->lr_granted) {
- lock = list_entry(tmp, struct ldlm_lock, l_res_link);
-
+ list_for_each_entry_safe(lock, tmp, &res->lr_granted, l_res_link) {
if (iter(lock, closure) == LDLM_ITER_STOP) {
rc = LDLM_ITER_STOP;
goto out;
}
}

- list_for_each_safe(tmp, next, &res->lr_waiting) {
- lock = list_entry(tmp, struct ldlm_lock, l_res_link);
-
+ list_for_each_entry_safe(lock, tmp, &res->lr_waiting, l_res_link) {
if (iter(lock, closure) == LDLM_ITER_STOP) {
rc = LDLM_ITER_STOP;
goto out;