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authorLars Ellenberg <lars.ellenberg@linbit.com>2017-08-29 10:20:33 +0200
committerJens Axboe <axboe@kernel.dk>2017-08-29 23:34:44 +0200
commit9da10e8da3b3e126d82973e2147ba47767fb3b0e (patch)
treeb04c971cf54d6ef659f2bcb1439ee8f68b11f3f2 /drivers/block
parentdrbd: introduce drbd_recv_header_maybe_unplug (diff)
downloadlinux-9da10e8da3b3e126d82973e2147ba47767fb3b0e.tar.xz
linux-9da10e8da3b3e126d82973e2147ba47767fb3b0e.zip
drbd: change list_for_each_safe to while(list_first_entry_or_null)
Two instances of list_for_each_safe can drop their tmp element, they really just peel off each element in turn from the start of the list. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/drbd/drbd_req.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 5cf43f13e7eb..ae02aa397c8f 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -1479,12 +1479,12 @@ static bool prepare_al_transaction_nonblock(struct drbd_device *device,
struct list_head *pending,
struct list_head *later)
{
- struct drbd_request *req, *tmp;
+ struct drbd_request *req;
int wake = 0;
int err;
spin_lock_irq(&device->al_lock);
- list_for_each_entry_safe(req, tmp, incoming, tl_requests) {
+ while ((req = list_first_entry_or_null(incoming, struct drbd_request, tl_requests))) {
err = drbd_al_begin_io_nonblock(device, &req->i);
if (err == -ENOBUFS)
break;
@@ -1503,9 +1503,9 @@ static bool prepare_al_transaction_nonblock(struct drbd_device *device,
void send_and_submit_pending(struct drbd_device *device, struct list_head *pending)
{
- struct drbd_request *req, *tmp;
+ struct drbd_request *req;
- list_for_each_entry_safe(req, tmp, pending, tl_requests) {
+ while ((req = list_first_entry_or_null(pending, struct drbd_request, tl_requests))) {
req->rq_state |= RQ_IN_ACT_LOG;
req->in_actlog_jif = jiffies;
atomic_dec(&device->ap_actlog_cnt);