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2016-02-04virtio: move VirtQueueElement at the beginning of the structsPaolo Bonzini
The next patch will make virtqueue_pop/vring_pop allocate memory for the VirtQueueElement. In some cases (blk, scsi, gpu) the device wants to extend VirtQueueElement with device-specific fields and, until now, the place of the VirtQueueElement within the containing struct didn't matter. When allocating the entire block in virtqueue_pop/vring_pop, however, the containing struct must basically be a "subclass" of VirtQueueElement, with the VirtQueueElement as the first field. Make that the case for blk and scsi; gpu is already doing it. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-02-04tests: pc: acpi: add expected DSDT.bridge blobs and update DSDT blobsIgor Mammedov
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-02-04tests: pc: acpi: drop not needed 'expected SSDT' blobsIgor Mammedov
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-02-04pc: acpi: merge SSDT into DSDTIgor Mammedov
Since both tables are built dynamically now, there is no point in keeping ASL in them in separate tables. So do the same as we do for ARM where we have only DSDT table, i.e. move SSDT ASL into DSDT and drop SSDT altogether. This patch doesn't change moved SSDT ASL in any way, but it opens a way to relatively independently simplify generated ASL on per device/subsystem basis in followup series. It also simplifies bios-tables-test where expected SSDT blobs could be dropped and only DSDT ones have to be maintained. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-02-04Fix virtio migrationDr. David Alan Gilbert
I misunderstood the vmstate macro definition when I reworked the virtio .get/.put. The VMSTATE_STRUCT_VARRAY_KNOWN, was described as being for "a variable length array (i.e. _type *_field) but we know the length". However it actually specified operation for arrays embedded in the struct (i.e. _type _field[]) since it lacked the VMS_POINTER flag. This caused offset calculation to be completely off, examining and potentially sending random data instead of the VirtQueue content. Replace the otherwise unused VMSTATE_STRUCT_VARRAY_KNOWN with a VMSTATE_STRUCT_VARRAY_POINTER_KNOWN that includes the VMS_POINTER flag (so now actually doing what it advertises) and use it in the virtio migration code. Fixes and description as per Sascha's suggestions/debug. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reported-by: Sascha Silbe <silbe@linux.vnet.ibm.com> Tested-By: Sascha Silbe <silbe@linux.vnet.ibm.com> Reviewed-By: Sascha Silbe <silbe@linux.vnet.ibm.com> Fixes: 50e5ae4dc3e4f21e874512f9e87b93b5472d26e0 Fixes: 2cf0148674430b6693c60d42b7eef721bfa9509f Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-02-03Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' ↵Peter Maydell
into staging # gpg: Signature made Wed 03 Feb 2016 15:47:34 GMT using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" * remotes/stefanha/tags/tracing-pull-request: log: add "-d trace:PATTERN" trace: switch default backend to "log" trace: convert stderr backend to log log: move qemu-log.c into util/ directory log: do not unnecessarily include qom/cpu.h trace: add "-trace help" trace: add "-trace enable=..." trace: no need to call trace_backend_init in different branches now trace: split trace_init_file out of trace_init_backends trace: split trace_init_events out of trace_init_backends trace: fix documentation trace: track enabled events in a separate array trace: count number of enabled events Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-02-03Merge remote-tracking branch 'remotes/kraxel/tags/pull-vga-20160203-1' into ↵Peter Maydell
staging virtio-gpu: bugfixes and spice support preparation # gpg: Signature made Wed 03 Feb 2016 09:47:13 GMT using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/kraxel/tags/pull-vga-20160203-1: virtio-gpu: block any rendering until client (ui) is done virtio-gpu: add support to enable/disable command processing virtio-gpu: maintain command queue virtio-gpu: fix memory leak in error path console: block rendering until client is done zap qemu_egl_has_ext in include/ui/egl-helpers.h Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-02-03Merge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2016-02-03' ↵Peter Maydell
into staging Monitor patches for 2016-02-03 # gpg: Signature made Wed 03 Feb 2016 09:13:48 GMT using RSA key ID EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" * remotes/armbru/tags/pull-monitor-2016-02-03: hmp: fix sendkey out of bounds write (CVE-2015-8619) Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-02-03log: add "-d trace:PATTERN"Paolo Bonzini
This is a bit easier to use than "-trace" if you are also enabling other kinds of logging. It is also more discoverable for experienced QEMU users, and accessible from user-mode emulators. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-12-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03trace: switch default backend to "log"Paolo Bonzini
This enables integration with other QEMU logging facilities. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-11-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03trace: convert stderr backend to logPaolo Bonzini
[Also update .travis.yml --enable-trace-backends=stderr --Stefan] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-10-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03virtio-gpu: block any rendering until client (ui) is doneGerd Hoffmann
Wire up gl_block callback, so ui code can request to stop virtio-gpu rendering. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-02-03virtio-gpu: add support to enable/disable command processingGerd Hoffmann
So we can stop rendering for a while in case we have to. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2016-02-03virtio-gpu: maintain command queueGerd Hoffmann
We'll go take out the commands we receive out of the virt queue and put them into a linked list, to decouple virtio queue handling from actual command processing. Also move cmd processing to new virtio_gpu_handle_ctrl func, so we can easily kick it from different places. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-02-03virtio-gpu: fix memory leak in error pathGerd Hoffmann
Found by Coverity Scan, buf not freed on error. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2016-02-03console: block rendering until client is doneGerd Hoffmann
Allow gl user interfaces to block display device gl rendering. The ui code might want to do that in case it takes a little longer to bring things to screen, for example because we'll hand over a dma-buf to another process (spice will do that). Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2016-02-03zap qemu_egl_has_ext in include/ui/egl-helpers.hGerd Hoffmann
Drop leftover prototype which sneaked in by mistake Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2016-02-03log: move qemu-log.c into util/ directoryDenis V. Lunev
log will become common facility with tracepoints support in next step. Signed-off-by: Denis V. Lunev <den@openvz.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1452174932-28657-9-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03log: do not unnecessarily include qom/cpu.hPaolo Bonzini
Split the bits that require it to exec/log.h. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-8-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03trace: add "-trace help"Paolo Bonzini
Print a list of trace points Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-7-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03trace: add "-trace enable=..."Paolo Bonzini
Allow enabling events without going through a file, for example: qemu-system-x86_64 -trace bdrv_aio_writev -trace bdrv_aio_readv or with globbing too: qemu-system-x86_64 -trace 'bdrv_aio_*' if an appropriate backend is enabled (simple, stderr, ftrace). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-6-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03trace: no need to call trace_backend_init in different branches nowDenis V. Lunev
original idea to split calling locations was to spawn tracing thread in the final child process according to commit 8a745f2a9296ad2cf6bda33534ed298f2625a4ad Author: Michael Mueller Date: Mon Sep 23 16:36:54 2013 +0200 os_daemonize is now on top of both locations. Drop unneeded ifs. Signed-off-by: Denis V. Lunev <den@openvz.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1452174932-28657-5-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03trace: split trace_init_file out of trace_init_backendsPaolo Bonzini
This is cleaner, and improves error reporting with -daemonize. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-4-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03trace: split trace_init_events out of trace_init_backendsPaolo Bonzini
This is cleaner and has two advantages. First, it improves error reporting with -daemonize. Second, multiple "-trace events" options now cumulate. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-3-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03trace: fix documentationPaolo Bonzini
Mention the ftrace backend too. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-2-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03trace: track enabled events in a separate arrayPaolo Bonzini
This is more cache friendly on the fast path, where we already have the event id available. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03trace: count number of enabled eventsPaolo Bonzini
This lets trace_event_get_state_dynamic quickly return false. Right now there is hardly any benefit because there are also many assertions and indirections, but the next patch will streamline all of this. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-03hmp: fix sendkey out of bounds write (CVE-2015-8619)Wolfgang Bumiller
When processing 'sendkey' command, hmp_sendkey routine null terminates the 'keyname_buf' array. This results in an OOB write issue, if 'keyname_len' was to fall outside of 'keyname_buf' array. Since the keyname's length is known the keyname_buf can be removed altogether by adding a length parameter to index_from_key() and using it for the error output as well. Reported-by: Ling Liu <liuling-it@360.cn> Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> Message-Id: <20160113080958.GA18934@olga> [Comparison with "<" dumbed down, test for junk after strtoul() tweaked] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-02-02Merge remote-tracking branch ↵Peter Maydell
'remotes/maxreitz/tags/pull-block-for-peter-2016-02-02' into staging Block patches # gpg: Signature made Tue 02 Feb 2016 17:23:44 GMT using RSA key ID E838ACAD # gpg: Good signature from "Max Reitz <mreitz@redhat.com>" * remotes/maxreitz/tags/pull-block-for-peter-2016-02-02: (50 commits) block: qemu-iotests - add test for snapshot, commit, snapshot bug block: set device_list.tqe_prev to NULL on BDS removal iotests: Add "qemu-img map" test for VMDK extents qemu-img: Make MapEntry a QAPI struct qemu-img: In "map", use the returned "file" from bdrv_get_block_status block: Use returned *file in bdrv_co_get_block_status vmdk: Return extent's file in bdrv_get_block_status vmdk: Fix calculation of block status's offset vpc: Assign bs->file->bs to file in vpc_co_get_block_status vdi: Assign bs->file->bs to file in vdi_co_get_block_status sheepdog: Assign bs to file in sd_co_get_block_status qed: Assign bs->file->bs to file in bdrv_qed_co_get_block_status parallels: Assign bs->file->bs to file in parallels_co_get_block_status iscsi: Assign bs to file in iscsi_co_get_block_status raw: Assign bs to file in raw_co_get_block_status qcow2: Assign bs->file->bs to file in qcow2_co_get_block_status qcow: Assign bs->file->bs to file in qcow_co_get_block_status block: Add "file" output parameter to block status query functions block: acquire in bdrv_query_image_info iotests: Add test for block jobs and BDS ejection ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-02-02block: qemu-iotests - add test for snapshot, commit, snapshot bugJeff Cody
Signed-off-by: Jeff Cody <jcody@redhat.com> Message-id: 2dbc05efba2f683cb3aaf71aaa9b776ebf7ec57c.1454376655.git.jcody@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> [Moved test number from 143 to 144] Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02block: set device_list.tqe_prev to NULL on BDS removalJeff Cody
This fixes a regression introduced with commit 3f09bfbc7. Multiple bugs arise in conjunction with live snapshots and mirroring operations (which include active layer commit). After a live snapshot occurs, the active layer and the base layer both have a non-NULL tqe_prev field in the device_list, although the base node's tqe_prev field points to a NULL entry. This non-NULL tqe_prev field occurs after the bdrv_append() in the external snapshot calls change_parent_backing_link(). In change_parent_backing_link(), when the previous active layer is removed from device_list, the device_list.tqe_prev pointer is not set to NULL. The operating scheme in the block layer is to indicate that a BDS belongs in the bdrv_states device_list iff the device_list.tqe_prev pointer is non-NULL. This patch does two things: 1.) Introduces a new block layer helper bdrv_device_remove() to remove a BDS from the device_list, and 2.) uses that new API, which also fixes the regression once used in change_parent_backing_link(). Signed-off-by: Jeff Cody <jcody@redhat.com> Message-id: 0cd51e11c0666c04ddb7c05293fe94afeb551e89.1454376655.git.jcody@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02Merge remote-tracking branch 'remotes/kraxel/tags/pull-usb-20160202-1' into ↵Peter Maydell
staging usb: two ehci fixes. # gpg: Signature made Tue 02 Feb 2016 13:12:00 GMT using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/kraxel/tags/pull-usb-20160202-1: ehci: update irq on reset usb: check page select value while processing iTD Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-02-02iotests: Add "qemu-img map" test for VMDK extentsFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-17-git-send-email-famz@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02qemu-img: Make MapEntry a QAPI structFam Zheng
The "flags" bit mask is expanded to two booleans, "data" and "zero"; "bs" is replaced with "filename" string. Refactor the merge conditions in img_map() into entry_mergeable(). Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-16-git-send-email-famz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02qemu-img: In "map", use the returned "file" from bdrv_get_block_statusFam Zheng
Now all drivers should return a correct "file", we can make use of it, even with the recursion into backing chain above. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-15-git-send-email-famz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02block: Use returned *file in bdrv_co_get_block_statusFam Zheng
Now that all drivers return the right "file" pointer, we can use it. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 1453780743-16806-14-git-send-email-famz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02vmdk: Return extent's file in bdrv_get_block_statusFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-13-git-send-email-famz@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02vmdk: Fix calculation of block status's offsetFam Zheng
"offset" is the offset of cluster and sector_num doesn't necessarily refer to the start of it, it should add index_in_cluster. Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-12-git-send-email-famz@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02vpc: Assign bs->file->bs to file in vpc_co_get_block_statusFam Zheng
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-11-git-send-email-famz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02vdi: Assign bs->file->bs to file in vdi_co_get_block_statusFam Zheng
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-10-git-send-email-famz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02sheepdog: Assign bs to file in sd_co_get_block_statusFam Zheng
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-9-git-send-email-famz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02qed: Assign bs->file->bs to file in bdrv_qed_co_get_block_statusFam Zheng
Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-8-git-send-email-famz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02parallels: Assign bs->file->bs to file in parallels_co_get_block_statusFam Zheng
Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-7-git-send-email-famz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02iscsi: Assign bs to file in iscsi_co_get_block_statusFam Zheng
Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-6-git-send-email-famz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02raw: Assign bs to file in raw_co_get_block_statusFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-5-git-send-email-famz@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02qcow2: Assign bs->file->bs to file in qcow2_co_get_block_statusFam Zheng
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-4-git-send-email-famz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02qcow: Assign bs->file->bs to file in qcow_co_get_block_statusFam Zheng
Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-3-git-send-email-famz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02block: Add "file" output parameter to block status query functionsFam Zheng
The added parameter can be used to return the BDS pointer which the valid offset is referring to. Its value should be ignored unless BDRV_BLOCK_OFFSET_VALID in ret is set. Until block drivers fill in the right value, let's clear it explicitly right before calling .bdrv_get_block_status. The "bs->file" condition in bdrv_co_get_block_status is kept now to keep iotest case 102 passing, and will be fixed once all drivers return the right file pointer. Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1453780743-16806-2-git-send-email-famz@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02block: acquire in bdrv_query_image_infoPaolo Bonzini
NFS calls aio_poll inside bdrv_get_allocated_size. This requires acquiring the AioContext. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1450867706-19860-1-git-send-email-pbonzini@redhat.com Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-02iotests: Add test for block jobs and BDS ejectionMax Reitz
Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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