drbd: Turn tl_apply() into tl_abort_disk_io()

There is no need to overly generalize this function; it only makes the code
harder to understand.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index f1d696a..1379350 100644 (file)
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -484,28 +484,23 @@ void tl_restart(struct drbd_tconn *tconn, enum drbd_req_event what)
 }
 
 /**
- * tl_apply() - Applies an event to all requests for a certain mdev in the TL
+ * tl_abort_disk_io() - Abort disk I/O for all requests for a certain mdev in the TL
  * @mdev:      DRBD device.
- * @what:       The action/event to perform with all request objects
- *
- * @what might ony be ABORT_DISK_IO.
  */
-void tl_apply(struct drbd_conf *mdev, enum drbd_req_event what)
+void tl_abort_disk_io(struct drbd_conf *mdev)
 {
        struct drbd_tconn *tconn = mdev->tconn;
        struct drbd_tl_epoch *b;
        struct list_head *le, *tle;
        struct drbd_request *req;
 
-       D_ASSERT(what == ABORT_DISK_IO);
-
        spin_lock_irq(&tconn->req_lock);
        b = tconn->oldest_tle;
        while (b) {
                list_for_each_safe(le, tle, &b->requests) {
                        req = list_entry(le, struct drbd_request, tl_requests);
                        if (req->w.mdev == mdev)
-                               _req_mod(req, what);
+                               _req_mod(req, ABORT_DISK_IO);
                }
                b = b->next;
        }
@@ -513,7 +508,7 @@ void tl_apply(struct drbd_conf *mdev, enum drbd_req_event what)
        list_for_each_safe(le, tle, &tconn->barrier_acked_requests) {
                req = list_entry(le, struct drbd_request, tl_requests);
                if (req->w.mdev == mdev)
-                       _req_mod(req, what);
+                       _req_mod(req, ABORT_DISK_IO);
        }
 
        spin_unlock_irq(&tconn->req_lock);

diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c
index 60371ba..1132d87 100644 (file)
--- a/drivers/block/drbd/drbd_state.c
+++ b/drivers/block/drbd/drbd_state.c
@@ -30,7 +30,7 @@
 #include "drbd_req.h"
 
 /* in drbd_main.c */
-extern void tl_apply(struct drbd_conf *mdev, enum drbd_req_event what);
+extern void tl_abort_disk_io(struct drbd_conf *mdev);
 
 struct after_state_chg_work {
        struct drbd_work w;
@@ -1319,7 +1319,7 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
 
                /* Immediately allow completion of all application IO, that waits
                   for completion from the local disk. */
-               tl_apply(mdev, ABORT_DISK_IO);
+               tl_abort_disk_io(mdev);
 
                /* current state still has to be D_FAILED,
                 * there is only one way out: to D_DISKLESS,