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2015-03-19block: Fix blockdev-backup not to use funky error classMarkus Armbruster
Error classes are a leftover from the days of "rich" error objects. New code should always use ERROR_CLASS_GENERIC_ERROR. Commit b7b9d39..7c6a4ab added uses of ERROR_CLASS_DEVICE_NOT_FOUND. Replace them. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-03-19raw-posix: Deprecate aio=threads fallback without O_DIRECTKevin Wolf
Currently, if the user requests aio=native, but forgets to choose a cache mode that sets O_DIRECT, that request is silently ignored and raw falls back to aio=threads. Deprecate that behaviour so we can make it an error in future qemu versions. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2015-03-19raw-posix: Deprecate host floppy passthroughMarkus Armbruster
Raise your hand if you have a physical floppy drive in a computer you've powered on in 2015. Okay, I see we got a few weirdos in the audience. That's okay, weirdos are welcome here. Kidding aside, media change detection doesn't fully work, isn't going to be fixed, and floppy passthrough just isn't earning its keep anymore. Deprecate block driver host_floppy now, so we can drop it after a grace period. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-03-17Update version for v2.3.0-rc0 releasev2.3.0-rc0Peter Maydell
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-17Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20150317' ↵Peter Maydell
into staging migration/next for 20150317 # gpg: Signature made Tue Mar 17 14:21:14 2015 GMT using RSA key ID 5872D723 # gpg: Can't check signature: public key not found * remotes/juanquintela/tags/migration/20150317: migration: Expose 'cancelling' status to user migration: Convert 'status' of MigrationInfo to use an enum type hmp: Rename 'MigrationStatus' to 'HMPMigrationStatus' migration: Rename abbreviated macro MIG_STATE_* to MIGRATION_STATUS_* migration: Remove unused functions arch_init: Count the total number of pages by using helper function migrate_incoming: Cleanup/clarify error messages Warn against the use of the string as uri parameter to migrate-incoming migrate_incoming: use hmp_handle_error migration: Fix remaining 32 bit compiler errors migration: Fix some 32 bit compiler errors migration/rdma: clean up qemu_rdma_dest_init a bit migration: Avoid qerror_report_err() outside QMP command handlers Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-17Merge remote-tracking branch 'remotes/afaerber/tags/qom-cpu-for-peter' into ↵Peter Maydell
staging QOM CPUState and X86CPU * QTest for PC X86CPU * Confinement of ICC bridge X86CPU parenting to PC code # gpg: Signature made Tue Mar 17 15:23:31 2015 GMT using RSA key ID 3E7E013F # gpg: Good signature from "Andreas Färber <afaerber@suse.de>" # gpg: aka "Andreas Färber <afaerber@suse.com>" * remotes/afaerber/tags/qom-cpu-for-peter: target-i386: Remove icc_bridge parameter from cpu_x86_create() tests: Add PC CPU test pc: Suppress APIC ID compatibility warning for QTest Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-17Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-peter' ↵Peter Maydell
into staging QOM infrastructure fixes and device conversions * Conversion of cadence_uart to QOM realize * qom-tree QMP script * qom-list and qom-set HMP commands to match their QMP counterparts * Basic qom-tree HMP command * Cleanups for /machine QOM composition tree # gpg: Signature made Tue Mar 17 15:02:57 2015 GMT using RSA key ID 3E7E013F # gpg: Good signature from "Andreas Färber <afaerber@suse.de>" # gpg: aka "Andreas Färber <afaerber@suse.com>" * remotes/afaerber/tags/qom-devices-for-peter: qdev: Move owner-less IRQs to /machine/unattached memory: Move owner-less MemoryRegions to /machine/unattached qom: Implement info qom-tree HMP command qom: Implement qom-set HMP command qom: Implement qom-list HMP command scripts: Add qom-tree script cadence_uart: Convert to QOM realize() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-17migration: Expose 'cancelling' status to userzhanghailiang
'cancelling' status was introduced by commit 51cf4c1a, mainly to avoid a possible start of a new migration process while the previous one still exists. But we didn't expose this status to user, instead we returned the 'active' state. Here, we expose it to the user (such as libvirt), 'cancelling' status only occurs for a short window before the migration aborts, so for users, if they cancel a migration process, it will observe 'cancelling' status occasionally. Testing revealed that with older libvirt (anything 1.2.13 or less) will print an odd error message if the state is seen, but that the migration is still properly cancelled. Newer libvirt will be patched to recognize the new state without the odd error message. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Cc: libvir-list@redhat.com Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration: Convert 'status' of MigrationInfo to use an enum typezhanghailiang
The original 'status' is an open-coded 'str' type, convert it to use an enum type. This conversion is backwards compatible, better documented and more convenient for future extensibility. In addition, Fix a typo for qapi-schema.json (just remove the typo) : s/'completed'. 'comppleted' (since 1.2)/'completed' (since 1.2) Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17hmp: Rename 'MigrationStatus' to 'HMPMigrationStatus'zhanghailiang
We will use the typename 'MigrationStatus' for publicly exported typename, So here we rename the internal-only 'MigrationStatus' to 'HMPMigrationStatus'. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration: Rename abbreviated macro MIG_STATE_* to MIGRATION_STATUS_*zhanghailiang
Rename all macro MIG_STATE_* to MIGRATION_STATUS_* except "MIG_STATE_ERROR", we rename it to "MIGRATION_STATUS_FAILED" which will match the migration status string 'failed'. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration: Remove unused functionsThomas Huth
migrate_rdma_pin_all() and qsb_clone() are completely unused and thus can be deleted. Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Cc: Juan Quintela <quintela@redhat.com> Cc: Amit Shah <amit.shah@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17arch_init: Count the total number of pages by using helper functionzhanghailiang
There is already a helper function ram_bytes_total(), we can use it to help counting the total number of pages used by ram blocks. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migrate_incoming: Cleanup/clarify error messagesDr. David Alan Gilbert
Create a separate error for the case where migrate_incoming is used after a succesful migrate_incoming. Reword the error in the case where '-incoming defer' is missing to omit the command name so it's right for both hmp and qmp. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17Warn against the use of the string as uri parameter to migrate-incomingDr. David Alan Gilbert
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migrate_incoming: use hmp_handle_errorDr. David Alan Gilbert
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration: Fix remaining 32 bit compiler errorsStefan Weil
Fix type casts between pointers and 64 bit integers. Now 32 bit builds are possible again. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration: Fix some 32 bit compiler errorsStefan Weil
The current code won't compile on 32 bit hosts because there are lots of type casts between pointers and 64 bit integers. Fix some of them. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration/rdma: clean up qemu_rdma_dest_init a bitMichael Tokarev
Do not check for rdma->host being empty twice. This removes a large "if" block, so code indentation is changed. While at it, remove an ugly goto from the loop, replacing it with a cleaner if logic. And finally, there's no need to initialize `ret' variable since is always has a value. Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Tested-by: Dr. David Alan Gilbert <dgilbert@redhat.com> -- fixed space detected by Dave Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17migration: Avoid qerror_report_err() outside QMP command handlersMarkus Armbruster
qerror_report_err() is a transitional interface to help with converting existing monitor commands to QMP. It should not be used elsewhere. Replace by error_report_err() in process_incoming_migration_co(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-03-17target-i386: Remove icc_bridge parameter from cpu_x86_create()Eduardo Habkost
Instead of passing icc_bridge from the PC initialization code to cpu_x86_create(), make the PC initialization code attach the CPU to icc_bridge. The only difference here is that icc_bridge attachment will now be done after x86_cpu_parse_featurestr() is called. But this shouldn't make any difference, as property setters shouldn't depend on icc_bridge. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17tests: Add PC CPU testAndreas Färber
Test non-default -smp core and thread counts and a non-default CPU model on all PC machines except for isapc. Note that not all historic versions actually supported this particular configuration, ignored for simplicity. For machines pc-*-1.5+ test QMP cpu-add with monotonically increasing ID, and test for graceful failure otherwise. Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17pc: Suppress APIC ID compatibility warning for QTestAndreas Färber
This avoids cluttering GTester output with irrelevant warnings. Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17qdev: Move owner-less IRQs to /machine/unattachedAndreas Färber
Move non-qdev-gpio[*] from /machine into /machine/unattached. For the PC this moves 25 nodes from the stable namespace into the unstable. Cc: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Tested-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17memory: Move owner-less MemoryRegions to /machine/unattachedAndreas Färber
This cleans up the official /machine namespace. In particular /machine/system[0] and /machine/io[0], as well as entries with non-sanitized node names such as "/machine/qemu extended regs[0]". The actual MemoryRegion names remain unchanged. Acked-by: Paolo Bonzini <pbonzini@redhat.com> Tested-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17qom: Implement info qom-tree HMP commandAndreas Färber
To complement qdev's bus-oriented info qtree, info qom-tree prints a hierarchical view of the QOM composition tree. By default, the machine composition tree is shown. This can be overriden by supplying a path argument, such as "info qom-tree /". Tested-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17qom: Implement qom-set HMP commandAndreas Färber
Re-implemented based on qmp_qom_set() to facilitate argument parsing. Warn about ambiguous path arguments. Reviewed-by: Gonglei <arei.gonglei@huawei.com> Tested-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17qom: Implement qom-list HMP commandAndreas Färber
Implement it as a wrapper for QMP qom-list, but mimic the behavior of scripts/qmp/qom-list in making the path argument optional and listing the root if absent, to hint users what kind of path to pass. Reviewed-by: Gonglei <arei.gonglei@huawei.com> Tested-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17scripts: Add qom-tree scriptAndreas Färber
Functionally it is a recursive qom-list with qom-get per non-child<> property. Some failures needed to be handled, such as trying to read a pointer property, which is not representable in QMP. Those print a literal "<EXCEPTION>". Tested-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17cadence_uart: Convert to QOM realize()Alistair Francis
Use DeviceClass::realize() and TypeInfo::instance_init() instead of the deprecated SysBusDevice::init(). Signed-off-by: Alistair Francis <alistair.francis@xilinx.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-17Merge remote-tracking branch 'remotes/armbru/tags/pull-cov-model-2015-03-17' ↵Peter Maydell
into staging coverity: Fix g_malloc_n-like models # gpg: Signature made Tue Mar 17 10:17:56 2015 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-cov-model-2015-03-17: coverity: Fix g_malloc_n-like models Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-17Merge remote-tracking branch 'remotes/kraxel/tags/pull-gl-20150317-1' into ↵Peter Maydell
staging opengl: fix configure test # gpg: Signature made Tue Mar 17 10:11:24 2015 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-gl-20150317-1: opengl: fix configure test Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-17opengl: fix configure testGerd Hoffmann
Re-add the glx compile test to configure. We can't use pkg-config to probe for glx, and as long as milkymist-tmu2 privately uses glx (due to opengl infrastructure in qemu not being ready yet) we must continue to test for glx to avoid build failures. Reported-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-03-17coverity: Fix g_malloc_n-like modelsJan Kiszka
Allocate the calculated overall size, not only the size of a single element. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
2015-03-16Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell
Block patches for 2.3-rc0 # gpg: Signature made Mon Mar 16 16:11:55 2015 GMT using RSA key ID C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" * remotes/kevin/tags/for-upstream: block/vpc: remove disabled code from get_sector_offset block/vpc: rename footer->size -> footer->current_size block/vpc: make calculate_geometry spec conform vpc: Ignore geometry for large images block/vpc: optimize vpc_co_get_block_status block: Drop bdrv_find blockdev: Convert bdrv_find to blk_by_name migration: Convert bdrv_find to blk_by_name monitor: Convert bdrv_find to blk_by_name iotests: Test non-self-referential qcow2 refblocks iotests: Add tests for refcount table growth qcow2: Respect new_block in alloc_refcount_block() qemu-img: Avoid qerror_report_err() outside QMP handlers, again block: Fix block-set-write-threshold not to use funky error class block: Deprecate QCOW/QCOW2 encryption qemu-img: Fix convert, amend error messages for unknown options iotests: Update 051's reference output Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16Merge remote-tracking branch ↵Peter Maydell
'remotes/bkoppelmann/tags/pull-tricore-20150316' into staging TriCore RRR1, RRRR, RRRW, and SYS instructions # gpg: Signature made Mon Mar 16 15:55:24 2015 GMT using RSA key ID 6B69CA14 # gpg: Good signature from "Bastian Koppelmann <kbastian@mail.uni-paderborn.de>" * remotes/bkoppelmann/tags/pull-tricore-20150316: target-tricore: Add instructions of SYS opcode format target-tricore: Add instructions of RRRW opcode format target-tricore: Add instructions of RRRR opcode format target-tricore: Add instructions of RRR1 opcode format, which have 0xe3 as first opcode target-tricore: Add instructions of RRR1 opcode format, which have 0x63 as first opcode target-tricore: Add instructions of RRR1 opcode format, which have 0xa3 as first opcode Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16Merge remote-tracking branch 'remotes/rth/tags/tcg-pull-20150316' into stagingPeter Maydell
tcg opt fix for or x,a,a # gpg: Signature made Mon Mar 16 15:47:19 2015 GMT using RSA key ID 4DD0279B # gpg: Good signature from "Richard Henderson <rth7680@gmail.com>" # gpg: aka "Richard Henderson <rth@redhat.com>" # gpg: aka "Richard Henderson <rth@twiddle.net>" * remotes/rth/tags/tcg-pull-20150316: tcg/optimize: Handle or r,a,a with constant a Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16Merge remote-tracking branch 'mreitz/block' into queue-blockKevin Wolf
* mreitz/block: block/vpc: remove disabled code from get_sector_offset block/vpc: rename footer->size -> footer->current_size block/vpc: make calculate_geometry spec conform vpc: Ignore geometry for large images block/vpc: optimize vpc_co_get_block_status block: Drop bdrv_find blockdev: Convert bdrv_find to blk_by_name migration: Convert bdrv_find to blk_by_name monitor: Convert bdrv_find to blk_by_name iotests: Test non-self-referential qcow2 refblocks iotests: Add tests for refcount table growth qcow2: Respect new_block in alloc_refcount_block()
2015-03-16block/vpc: remove disabled code from get_sector_offsetPeter Lieven
The code to check the bitmap for the allocation status of each sector has been "disabled by reason" ever since the vpc driver existed. The reason might be that we might end up reading sector by sector in vpc_read if we really used it. This would be a performance desaster. The current code would furthermore not work if the disabled parts get reactivated since vpc_read and vpc_write only use get_sector_offset to check the allocation status of the first sector of a read/write operation. This might lead to sectors incorrectly treated as zero in vpc_read and to sectors getting allocated twice in vpc_write. Signed-off-by: Peter Lieven <pl@kamp.de> Message-id: 1425379316-19639-6-git-send-email-pl@kamp.de Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-03-16block/vpc: rename footer->size -> footer->current_sizePeter Lieven
the field is named current size in the spec. Name it accordingly. Signed-off-by: Peter Lieven <pl@kamp.de> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 1425379316-19639-5-git-send-email-pl@kamp.de Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-03-16block/vpc: make calculate_geometry spec conformPeter Lieven
The VHD spec [1] allows for total_sectors of 65535 x 16 x 255 (~127GB) represented by a CHS geometry. If total_sectors is greater than 65535 x 16 x 255 this geometry is set as a maximum. Qemu, Hyper-V and disk2vhd use this special geometry as an indicator to use the image current size from the footer as disk size. This patch changes vpc_create to effectively calculate a CxHxS geometry for the given image size if possible while rounding up if necessary. If the image size is too big to be represented in CHS we set the maximum and write the exact requested image size into the footer. This partly reverts commit 258d2edb, but leaves support for >127G disks intact. [1] http://download.microsoft.com/download/f/f/e/ffef50a5-07dd-4cf8-aaa3-442c0673a029/Virtual%20Hard%20Disk%20Format%20Spec_10_18_06.doc Signed-off-by: Peter Lieven <pl@kamp.de> Message-id: 1425379316-19639-4-git-send-email-pl@kamp.de Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-03-16vpc: Ignore geometry for large imagesKevin Wolf
The CHS calculation as done per the VHD spec imposes a maximum image size of ~127 GB. Real VHD images exist that are larger than that. Apparently there are two separate non-standard ways to achieve this: You could use more heads than the spec does - this is the option that qemu-img create chooses. However, other images exist where the geometry is set to the maximum (65535/16/255), but the actual image size is larger. Until now, such images are truncated at 127 GB when opening them with qemu. This patch changes the vpc driver to ignore geometry in this case and only trust the size field in the header. Signed-off-by: Kevin Wolf <kwolf@redhat.com> [PL: Fixed maximum geometry in the commit msg] Signed-off-by: Peter Lieven <pl@kamp.de> Message-id: 1425379316-19639-3-git-send-email-pl@kamp.de Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-03-16block/vpc: optimize vpc_co_get_block_statusPeter Lieven
*pnum can't be greater than s->block_size / BDRV_SECTOR_SIZE for allocated sectors since there is always a bitmap in between. Signed-off-by: Peter Lieven <pl@kamp.de> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 1425379316-19639-2-git-send-email-pl@kamp.de Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-03-16block: Drop bdrv_findFam Zheng
All callers are converted, so drop it. Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1425296209-1476-5-git-send-email-famz@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-03-16blockdev: Convert bdrv_find to blk_by_nameFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1425296209-1476-4-git-send-email-famz@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-03-16migration: Convert bdrv_find to blk_by_nameFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1425296209-1476-3-git-send-email-famz@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-03-16monitor: Convert bdrv_find to blk_by_nameFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1425296209-1476-2-git-send-email-famz@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-03-16iotests: Test non-self-referential qcow2 refblocksMax Reitz
It is easy to create only self-referential refblocks, but there are cases where that is impossible. This adds a test for two of those cases (combined in a single test case). Suggested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 1417798412-15330-1-git-send-email-mreitz@redhat.com Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-03-16iotests: Add tests for refcount table growthMax Reitz
Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 1423598552-24301-3-git-send-email-mreitz@redhat.com Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-03-16qcow2: Respect new_block in alloc_refcount_block()Max Reitz
When choosing a new place for the refcount table, alloc_refcount_block() tries to infer the number of clusters used so far from its argument cluster_index (which comes from the idea that if any cluster with an index greater than cluster_index was in use, the refcount table would have to be big enough already to describe cluster_index). However, there is a cluster that may be at or after cluster_index, and which is not covered by the refcount structures, and that is the new refcount block new_block. Therefore, it should be taken into account for the blocks_used calculation. Also, because new_block already describes (or is intended to describe) cluster_index, we may not put the new refcount structures there. Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 1423598552-24301-2-git-send-email-mreitz@redhat.com Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
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