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authorPhilipp Reisner <philipp.reisner@linbit.com>2011-07-05 15:38:59 +0200
committerPhilipp Reisner <philipp.reisner@linbit.com>2012-11-08 16:57:50 +0100
commitcdfda633d235028e9b27381dedb65416409e8729 (patch)
treec2b07a9b0f1bfb2bb04dd118df15a53ff2592ade /drivers/block/drbd/drbd_state.c
parent2fcb8f307f6014de9e771799d9ec0f050802c0ac (diff)
downloadvexpress-lsk-cdfda633d235028e9b27381dedb65416409e8729.tar.gz
drbd: detach from frozen backing device
* drbd-8.3: documentation: Documented detach's --force and disk's --disk-timeout drbd: Implemented the disk-timeout option drbd: Force flag for the detach operation drbd: Allow new IOs while the local disk in in FAILED state drbd: Bitmap IO functions can not return prematurely if the disk breaks drbd: Added a kref to bm_aio_ctx drbd: Hold a reference to ldev while doing meta-data IO drbd: Keep a reference to the bio until the completion handler finished drbd: Implemented wait_until_done_or_disk_failure() drbd: Replaced md_io_mutex by an atomic: md_io_in_use drbd: moved md_io into mdev drbd: Immediately allow completion of IOs, that wait for IO completions on a failed disk drbd: Keep a reference to barrier acked requests Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_state.c')
-rw-r--r--drivers/block/drbd/drbd_state.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c
index 4c13a6f4f18..f51cefdbeff 100644
--- a/drivers/block/drbd/drbd_state.c
+++ b/drivers/block/drbd/drbd_state.c
@@ -29,6 +29,9 @@
#include "drbd_int.h"
#include "drbd_req.h"
+/* in drbd_main.c */
+extern void tl_apply(struct drbd_conf *mdev, enum drbd_req_event what);
+
struct after_state_chg_work {
struct drbd_work w;
union drbd_state os;
@@ -1315,6 +1318,10 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
rcu_read_unlock();
was_io_error = test_and_clear_bit(WAS_IO_ERROR, &mdev->flags);
+ /* Immediately allow completion of all application IO, that waits
+ for completion from the local disk. */
+ tl_apply(mdev, ABORT_DISK_IO);
+
/* current state still has to be D_FAILED,
* there is only one way out: to D_DISKLESS,
* and that may only happen after our put_ldev below. */