Lars Ellenberg 05a72772fc drbd: drbdsetup detach of an unresponsive local disk should not block IO "forever" ... When detaching, we make sure no application IO is in-flight by internally suspending IO, then trigger the state change, wait for the result, and finally internally resume IO again. Once we triggered the stat change to "Failed", we expect it to change from Failed to Diskless. (To avoid races, we actually wait for it to leave "Failed"). On an unresponsive local IO backend, this may not happen, ever. Don't have a "hung" detach block IO "forever", but resume IO before waiting for the state change to Diskless. We may well be able to continue IO to and from a healthy peer. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <axboe@fb.com>		2015-11-25 09:22:01 -07:00
..
aoe	Revert "block: remove artifical max_hw_sectors cap"	2015-08-18 13:21:13 -07:00
drbd	drbd: drbdsetup detach of an unresponsive local disk should not block IO "forever"	2015-11-25 09:22:01 -07:00
mtip32xx	mtip32xx: use formatting capability of kthread_create_on_node	2015-11-20 08:46:50 -07:00
paride	mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM	2015-11-06 17:50:42 -08:00
rsxx	block: change ->make_request_fn() and users to return a queue cookie	2015-11-07 10:40:46 -07:00
xen-blkback	xen/xenbus: Rename *RING_PAGE* to *RING_GRANT*	2015-10-23 14:20:46 +01:00
zram	Merge branch 'for-4.4/io-poll' of git://git.kernel.dk/linux-block	2015-11-10 17:23:49 -08:00
amiflop.c	block: drop owner assignment from platform_drivers	2014-10-20 16:20:18 +02:00
ataflop.c	Merge branch 'for-3.16/core' of git://git.kernel.dk/linux-block into next	2014-06-02 09:29:34 -07:00
brd.c	brd: Refuse improperly aligned discard requests	2015-11-11 09:36:56 -07:00
cciss_cmd.h
cciss_scsi.c	scsi: Do not set cmd_per_lun to 1 in the host template	2015-05-31 18:06:28 -07:00
cciss_scsi.h
cciss.c	cciss: correct the non-resettable board list	2015-05-31 11:14:34 -07:00
cciss.h
cpqarray.c	genirq: Remove the deprecated 'IRQF_DISABLED' request_irq() flag entirely	2015-03-05 20:53:06 +01:00
cpqarray.h
cryptoloop.c	move linux/loop.h to drivers/block	2013-06-29 12:46:45 +04:00
DAC960.c	block: use pci_zalloc_consistent	2014-08-08 15:57:28 -07:00
DAC960.h
floppy.c	block: add a bi_error field to struct bio	2015-07-29 08:55:15 -06:00
hd.c	block: hd: remove deprecated IRQF_DISABLED	2014-10-01 08:16:07 -06:00
ida_cmd.h
ida_ioctl.h
Kconfig	nvme: move to a new drivers/nvme/host directory	2015-10-09 10:40:37 -06:00
loop.c	Merge branch 'for-4.4/core' into for-4.4/drivers	2015-10-09 10:40:29 -06:00
loop.h	block: loop: support DIO & AIO	2015-09-23 11:01:16 -06:00
Makefile	nvme: move to a new drivers/nvme/host directory	2015-10-09 10:40:37 -06:00
mg_disk.c	block: drop owner assignment from platform_drivers	2014-10-20 16:20:18 +02:00
nbd.c	signal: turn dequeue_signal_lock() into kernel_dequeue_signal()	2015-11-06 17:50:42 -08:00
null_blk.c	null_blk: do not del gendisk with lightnvm	2015-11-19 15:15:56 -07:00
osdblk.c	mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd	2015-11-06 17:50:42 -08:00
pktcdvd.c	Merge branch 'for-4.4/io-poll' of git://git.kernel.dk/linux-block	2015-11-10 17:23:49 -08:00
ps3disk.c	block: Kill bio_segments()/bi_vcnt usage	2013-11-23 22:33:51 -08:00
ps3vram.c	block: change ->make_request_fn() and users to return a queue cookie	2015-11-07 10:40:46 -07:00
rbd_types.h	rbd: get rid of RBD_MAX_SEG_NAME_LEN	2012-12-17 08:37:29 -06:00
rbd.c	rbd: remove duplicate calls to rbd_dev_mapping_clear()	2015-11-02 23:36:48 +01:00
skd_main.c	block: have drivers use blk_queue_max_discard_sectors()	2015-07-17 08:41:53 -06:00
skd_s1120.h	skd: fix formatting in skd_s1120.h	2013-11-08 09:10:30 -07:00
smart1,2.h
sunvdc.c	sunvdc: reconnect ldc after vds service domain restarts	2014-12-11 18:52:45 -08:00
swim3.c	powerpc: Move Power Macintosh drivers to generic byteswappers	2015-03-23 14:29:40 +11:00
swim_asm.S
swim.c	block: drop owner assignment from platform_drivers	2014-10-20 16:20:18 +02:00
sx8.c	block: rename REQ_TYPE_SPECIAL to REQ_TYPE_DRV_PRIV	2015-05-05 13:40:03 -06:00
umem.c	block: change ->make_request_fn() and users to return a queue cookie	2015-11-07 10:40:46 -07:00
umem.h
virtio_blk.c	blk-mq: fix racy updates of rq->errors	2015-10-01 10:10:55 +02:00
xen-blkfront.c	xen: features for 4.4-rc0	2015-11-04 17:32:42 -08:00
xsysace.c	block: systemace: Remove .owner field for driver	2014-08-21 20:37:54 -05:00
z2ram.c	block: remove struct request buffer member	2014-04-15 14:03:02 -06:00