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efc6de0d0e
qemu/block
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Peter Lieven efc6de0d0e block/iscsi: handle BUSY condition 
this patch adds handling of BUSY status reponse from an iSCSI target.
Currently, we fail with -EIO in case of SCSI_STATUS_BUSY while the
obvious reaction would be to retry the operation after some time.
The retry time is randomly choosen from a range with exponential
growth increasing with each retry.

This patch includes most of the changes by a an upcoming patch
from Stefan Hajnoczi:

 iscsi: implement .bdrv_detach/attach_aio_context()

because I also need the reference to the aio_context for
the retry timer to work. I included the changes to maintain
better mergeability.

Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-18 08:47:10 +02:00
..
backup.c block: Switch BdrvTrackedRequest to byte granularity 2014-01-24 17:40:02 +01:00
blkdebug.c blkdebug: use BlockDriverState's AioContext 2014-06-04 09:56:11 +02:00
blkverify.c blkverify: implement .bdrv_detach/attach_aio_context() 2014-06-04 09:56:11 +02:00
bochs.c block/bochs: Fix error handling for seek_to_sector() 2014-04-30 14:46:17 +02:00
cloop.c block/cloop: use PRIu32 format specifier for uint32_t 2014-04-23 11:34:10 +02:00
commit.c qerror.h: Remove QERR defines that are only used once 2014-04-25 09:19:59 -04:00
cow.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
curl.c block: Drop superfluous conditionals around g_free() 2014-06-16 17:23:19 +08:00
dmg.c block: Use correct width in format strings 2014-04-30 14:46:17 +02:00
gluster.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
iscsi.c block/iscsi: handle BUSY condition 2014-06-18 08:47:10 +02:00
linux-aio.c block/linux-aio: fix memory and fd leak 2014-06-04 09:56:11 +02:00
Makefile.objs Block patches 2014-02-25 10:50:11 +00:00
mirror.c block: Add backing_blocker in BlockDriverState 2014-05-28 14:28:46 +02:00
nbd-client.c nbd: implement .bdrv_detach/attach_aio_context() 2014-06-04 09:56:11 +02:00
nbd-client.h nbd: implement .bdrv_detach/attach_aio_context() 2014-06-04 09:56:11 +02:00
nbd.c nbd: implement .bdrv_detach/attach_aio_context() 2014-06-04 09:56:11 +02:00
nfs.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
parallels.c parallels: Sanity check for s->tracks (CVE-2014-0142) 2014-04-01 15:22:35 +02:00
qapi.c block/qapi: Plug memory leak in dump_qobject() case QTYPE_QERROR 2014-05-30 14:26:54 +02:00
qcow2-cache.c qcow2: Use negated overflow check mask 2013-10-11 16:50:00 +02:00
qcow2-cluster.c qcow2: Fix memory leak in COW error path 2014-05-28 14:28:46 +02:00
qcow2-refcount.c qcow2: Fix alloc_clusters_noref() overflow detection 2014-05-09 13:32:16 +02:00
qcow2-snapshot.c qcow2: Limit snapshot table size 2014-04-01 15:22:35 +02:00
qcow2.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
qcow2.h qcow2: Limit snapshot table size 2014-04-01 15:22:35 +02:00
qcow.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
qed-check.c qed: mark image clean after repair succeeds 2012-08-10 10:25:12 +02:00
qed-cluster.c Use glib memory allocation and free functions 2011-08-20 23:01:08 -05:00
qed-gencb.c Use glib memory allocation and free functions 2011-08-20 23:01:08 -05:00
qed-l2-cache.c qed: do not evict in-use L2 table cache entries 2012-03-12 15:14:06 +01:00
qed-table.c qed: use BlockDriverState's AioContext 2014-06-04 09:56:11 +02:00
qed.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
qed.h qed.c: replace QEMUOptionParameter with QemuOpts 2014-06-16 17:23:21 +08:00
quorum.c quorum: implement .bdrv_detach/attach_aio_context() 2014-06-04 09:56:11 +02:00
raw_bsd.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
raw-aio.h block/raw-win32: implement .bdrv_detach/attach_aio_context() 2014-06-04 09:56:12 +02:00
raw-posix.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
raw-win32.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
rbd.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
sheepdog.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
snapshot.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
ssh.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
stream.c block: Use bdrv_set_backing_hd everywhere 2014-05-28 14:28:46 +02:00
vdi.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
vhdx-endian.c block: vhdx - move more endian translations to vhdx-endian.c 2013-11-07 13:58:59 +01:00
vhdx-log.c Fixed various typos 2014-03-25 14:09:50 +01:00
vhdx.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
vhdx.h vhdx.c: replace QEMUOptionParameter with QemuOpts 2014-06-16 17:23:21 +08:00
vmdk.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
vpc.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
vvfat.c cleanup QEMUOptionParameter 2014-06-16 17:23:21 +08:00
win32-aio.c block/raw-win32: implement .bdrv_detach/attach_aio_context() 2014-06-04 09:56:12 +02:00