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authorBjorn Helgaas <bhelgaas@google.com>2012-09-13 08:41:01 -0600
committerBjorn Helgaas <bhelgaas@google.com>2012-09-13 08:41:01 -0600
commit78890b5989d96ddce989cde929c45ceeded0fcaf (patch)
tree4e2da81fc7c97f11aee174b1eedac110c9a68b3a /drivers/block/drbd/drbd_main.c
parent1959ec5f82acbdf91425b41600f119ebecb5f6a8 (diff)
parent55d512e245bc7699a8800e23df1a24195dd08217 (diff)
downloadop-kernel-dev-78890b5989d96ddce989cde929c45ceeded0fcaf.zip
op-kernel-dev-78890b5989d96ddce989cde929c45ceeded0fcaf.tar.gz
Merge commit 'v3.6-rc5' into next
* commit 'v3.6-rc5': (1098 commits) Linux 3.6-rc5 HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured Remove user-triggerable BUG from mpol_to_str xen/pciback: Fix proper FLR steps. uml: fix compile error in deliver_alarm() dj: memory scribble in logi_dj Fix order of arguments to compat_put_time[spec|val] xen: Use correct masking in xen_swiotlb_alloc_coherent. xen: fix logical error in tlb flushing xen/p2m: Fix one-off error in checking the P2M tree directory. powerpc: Don't use __put_user() in patch_instruction powerpc: Make sure IPI handlers see data written by IPI senders powerpc: Restore correct DSCR in context switch powerpc: Fix DSCR inheritance in copy_thread() powerpc: Keep thread.dscr and thread.dscr_inherit in sync powerpc: Update DSCR on all CPUs when writing sysfs dscr_default powerpc/powernv: Always go into nap mode when CPU is offline powerpc: Give hypervisor decrementer interrupts their own handler powerpc/vphn: Fix arch_update_cpu_topology() return value ARM: gemini: fix the gemini build ... Conflicts: drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c drivers/rapidio/devices/tsi721.c
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
-rw-r--r--drivers/block/drbd/drbd_main.c32
1 files changed, 14 insertions, 18 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 2e0e7fc..f93a032 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -79,6 +79,7 @@ static int w_md_sync(struct drbd_conf *mdev, struct drbd_work *w, int unused);
static void md_sync_timer_fn(unsigned long data);
static int w_bitmap_io(struct drbd_conf *mdev, struct drbd_work *w, int unused);
static int w_go_diskless(struct drbd_conf *mdev, struct drbd_work *w, int unused);
+static void _tl_clear(struct drbd_conf *mdev);
MODULE_AUTHOR("Philipp Reisner <phil@linbit.com>, "
"Lars Ellenberg <lars@linbit.com>");
@@ -432,19 +433,10 @@ static void _tl_restart(struct drbd_conf *mdev, enum drbd_req_event what)
/* Actions operating on the disk state, also want to work on
requests that got barrier acked. */
- switch (what) {
- case fail_frozen_disk_io:
- case restart_frozen_disk_io:
- list_for_each_safe(le, tle, &mdev->barrier_acked_requests) {
- req = list_entry(le, struct drbd_request, tl_requests);
- _req_mod(req, what);
- }
- case connection_lost_while_pending:
- case resend:
- break;
- default:
- dev_err(DEV, "what = %d in _tl_restart()\n", what);
+ list_for_each_safe(le, tle, &mdev->barrier_acked_requests) {
+ req = list_entry(le, struct drbd_request, tl_requests);
+ _req_mod(req, what);
}
}
@@ -459,11 +451,16 @@ static void _tl_restart(struct drbd_conf *mdev, enum drbd_req_event what)
*/
void tl_clear(struct drbd_conf *mdev)
{
+ spin_lock_irq(&mdev->req_lock);
+ _tl_clear(mdev);
+ spin_unlock_irq(&mdev->req_lock);
+}
+
+static void _tl_clear(struct drbd_conf *mdev)
+{
struct list_head *le, *tle;
struct drbd_request *r;
- spin_lock_irq(&mdev->req_lock);
-
_tl_restart(mdev, connection_lost_while_pending);
/* we expect this list to be empty. */
@@ -482,7 +479,6 @@ void tl_clear(struct drbd_conf *mdev)
memset(mdev->app_reads_hash, 0, APP_R_HSIZE*sizeof(void *));
- spin_unlock_irq(&mdev->req_lock);
}
void tl_restart(struct drbd_conf *mdev, enum drbd_req_event what)
@@ -1476,12 +1472,12 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
if (ns.susp_fen) {
/* case1: The outdate peer handler is successful: */
if (os.pdsk > D_OUTDATED && ns.pdsk <= D_OUTDATED) {
- tl_clear(mdev);
if (test_bit(NEW_CUR_UUID, &mdev->flags)) {
drbd_uuid_new_current(mdev);
clear_bit(NEW_CUR_UUID, &mdev->flags);
}
spin_lock_irq(&mdev->req_lock);
+ _tl_clear(mdev);
_drbd_set_state(_NS(mdev, susp_fen, 0), CS_VERBOSE, NULL);
spin_unlock_irq(&mdev->req_lock);
}
@@ -3537,9 +3533,9 @@ static void drbd_cleanup(void)
}
/**
- * drbd_congested() - Callback for pdflush
+ * drbd_congested() - Callback for the flusher thread
* @congested_data: User data
- * @bdi_bits: Bits pdflush is currently interested in
+ * @bdi_bits: Bits the BDI flusher thread is currently interested in
*
* Returns 1<<BDI_async_congested and/or 1<<BDI_sync_congested if we are congested.
*/
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