[PATCH 052/118] drbd: Remove unnecessary reference counting left-over

Philipp Reisner
2011-08-25T15:26:31Z

From: Andreas Gruenbacher <agruen@linbit.com>

Nothing in this function accesses mdev->tconn->net_conf, so there is no
need for get_net_conf() / put_net_conf() anymore.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
drivers/block/drbd/drbd_req.c | 13 +------------
1 files changed, 1 insertions(+), 12 deletions(-)

diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index df5f106..e11ea47 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -328,9 +328,6 @@ static int _req_conflicts(struct drbd_request *req)

D_ASSERT(drbd_interval_empty(&req->i));

- if (!get_net_conf(mdev->tconn))
- return 0;
-
i = drbd_find_overlap(&mdev->write_requests, sector, size);
if (i) {
dev_alert(DEV, "%s[%u] Concurrent %s write detected! "
@@ -340,17 +337,9 @@ static int _req_conflicts(struct drbd_request *req)
i->local ? "local" : "remote",
(unsigned long long)sector, size,
(unsigned long long)i->sector, i->size);
- goto out_conflict;
+ return 1;
}
-
- /* this is like it should be, and what we expected.
- * our users do behave after all... */
- put_net_conf(mdev->tconn);
return 0;
-
-out_conflict:
- put_net_conf(mdev->tconn);
- return 1;
}

/* obviously this could be coded as many single functions
--
1.7.4.1