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- 13 1月, 2016 2 次提交
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由 Markus Armbruster 提交于
Done with this Coccinelle semantic patch @@ expression FMT, E, S; expression list ARGS; @@ - error_report(FMT, ARGS, error_get_pretty(E)); + error_reportf_err(E, FMT/*@@@*/, ARGS); ( - error_free(E); | exit(S); | abort(); ) followed by a replace of '%s"/*@@@*/' by '"' and some line rewrapping, because I can't figure out how to make Coccinelle transform strings. We now use the error whole instead of just its message obtained with error_get_pretty(). This avoids suppressing its hint (see commit 50b7b000), but I can't see how the errors touched in this commit could come with hints. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Message-Id: <1450452927-8346-12-git-send-email-armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
Prepend the additional information, colon, space to the original message without enclosing it in parenthesis or quotes, like we do elsewhere. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Message-Id: <1450452927-8346-11-git-send-email-armbru@redhat.com>
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- 18 12月, 2015 2 次提交
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由 John Snow 提交于
...But only if we have the backing_filename. It means something Scary happened and we can't really be quite exactly sure if we can trust the backing_filename. Signed-off-by: NJohn Snow <jsnow@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Message-id: 1450122916-4706-5-git-send-email-jsnow@redhat.com Signed-off-by: NMax Reitz <mreitz@redhat.com>
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由 Max Reitz 提交于
Add an opaque value which is to be passed to the bdrv_amend_options() status callback. Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Reviewed-by: NAlberto Garcia <berto@igalia.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 12 11月, 2015 1 次提交
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由 Fam Zheng 提交于
Add reference count to block job, meanwhile move the ownership of the reference to job->bs from the caller (which is released in two completion callbacks) to the block job itself. It is necessary for block_job_complete_sync to work, because block job shouldn't live longer than its bs, as asserted in bdrv_delete. Now block_job_complete_sync can be simplified. Signed-off-by: NFam Zheng <famz@redhat.com> Signed-off-by: NJohn Snow <jsnow@redhat.com> Message-id: 1446765200-3054-6-git-send-email-jsnow@redhat.com Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 11 11月, 2015 1 次提交
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由 John Snow 提交于
The mirror job doesn't update its total length until it has already started running, so we should translate a zero-length job-len as meaning 0%. Otherwise, we may get divide-by-zero faults. Signed-off-by: NJohn Snow <jsnow@redhat.com> Reviewed-by: NJeff Cody <jcody@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 16 10月, 2015 2 次提交
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由 Kevin Wolf 提交于
This cleans up the mess we left behind in the mirror code after the previous patch. Instead of using bdrv_swap(), just change pointers. The interface change of the mirror job that callers must consider is that after job completion, their local BDS pointers still point to the same node now. qemu-img must change its code accordingly (which makes it easier to understand); the other callers stays unchanged because after completion they don't do anything with the BDS, but just with the job, and the job is still owned by the source BDS. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NFam Zheng <famz@redhat.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Kevin Wolf 提交于
This is the final step in converting all of the BlockDriverState pointers that block drivers use to BdrvChild. After this patch, bs->children contains the full list of child nodes that are referenced by a given BDS, and these children are only referenced through BdrvChild, so that updating the pointer in there is enough for changing edges in the graph. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NAlberto Garcia <berto@igalia.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com>
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- 25 9月, 2015 1 次提交
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由 Marc-André Lureau 提交于
Not only it makes sense, but it gets rid of checkpatch warning: WARNING: consider using qemu_strtosz in preference to strtosz Also remove get rid of tabs to please checkpatch. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <1442419377-9309-1-git-send-email-marcandre.lureau@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 05 9月, 2015 1 次提交
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由 Max Reitz 提交于
Example: $ ./qemu-img create -f qcow2 /tmp/t.qcow2 64M $ ./qemu-img amend -f qcow2 -o backing_file=/tmp/t.qcow2, -o help \ /tmp/t.qcow2 This should not crash. This actually is tested by iotest 082, but not caught due to the segmentation fault being silent (which is something that needs to be fixed, too). Reported-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Cc: qemu-stable <qemu-stable@nongnu.org> Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 23 6月, 2015 3 次提交
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由 Markus Armbruster 提交于
In particular, don't include it into headers. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NLuiz Capitulino <lcapitulino@redhat.com>
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由 Markus Armbruster 提交于
These macros expand into error class enumeration constant, comma, string. Unclean. Has been that way since commit 13f59ae8. The error class is always ERROR_CLASS_GENERIC_ERROR since the previous commit. Clean up as follows: * Prepend every use of a QERR_ macro by ERROR_CLASS_GENERIC_ERROR, and delete it from the QERR_ macro. No change after preprocessing. * Rewrite error_set(ERROR_CLASS_GENERIC_ERROR, ...) into error_setg(...). Again, no change after preprocessing. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NLuiz Capitulino <lcapitulino@redhat.com>
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由 Markus Armbruster 提交于
qerror_report_err() is a transitional interface to help with converting existing monitor commands to QMP. It should not be used elsewhere. The only remaining user in qemu-option.c is qemu_opts_parse(). Is it used in QMP context? If not, we can simply replace qerror_report_err() by error_report_err(). The uses in qemu-img.c, qemu-io.c, qemu-nbd.c and under tests/ are clearly not in QMP context. The uses in vl.c aren't either, because the only QMP command handlers there are qmp_query_status() and qmp_query_machines(), and they don't call it. Remaining uses: * drive_def(): Command line -drive and such, HMP drive_add and pci_add * hmp_chardev_add(): HMP chardev-add * monitor_parse_command(): HMP core * tmp_config_parse(): Command line -tpmdev * net_host_device_add(): HMP host_net_add * net_client_parse(): Command line -net and -netdev * qemu_global_option(): Command line -global * vnc_parse_func(): Command line -display, -vnc, default display, HMP change, QMP change. Bummer. * qemu_pci_hot_add_nic(): HMP pci_add * usb_net_init(): Command line -usbdevice, HMP usb_add Propagate errors through qemu_opts_parse(). Create a convenience function qemu_opts_parse_noisily() that passes errors to error_report_err(). Switch all non-QMP users outside tests to it. That leaves vnc_parse_func(). Propagate errors through it. Since I'm touching it anyway, rename it to vnc_parse(). Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Reviewed-by: NLuiz Capitulino <lcapitulino@redhat.com>
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- 22 5月, 2015 1 次提交
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由 Daniel P. Berrange 提交于
The qemu-img.c file has a read_password() method impl that is used to prompt for passwords on the console, with impls for POSIX and Windows. This will be needed by qemu-io.c too, so move it into the QEMU osdep/oslib files where it can be shared without code duplication Signed-off-by: NDaniel P. Berrange <berrange@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 28 4月, 2015 1 次提交
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由 Kevin Wolf 提交于
The implementation of qemu-img convert is (a) messy, (b) buggy, and (c) less efficient than possible. The changes required to beat some sense into it are massive enough that incremental changes would only make my and the reviewers' life harder. So throw it away and reimplement it from scratch. Let me give some examples what I mean by messy, buggy and inefficient: (a) The copying logic of qemu-img convert has two separate branches for compressed and normal target images, which roughly do the same - except for a little code that handles actual differences between compressed and uncompressed images, and much more code that implements just a different set of optimisations and bugs. This is unnecessary code duplication, and makes the code for compressed output (unsurprisingly) suffer from bitrot. The code for uncompressed ouput is run twice to count the the total length for the progress bar. In the first run it just takes a shortcut and runs only half the loop, and when it's done, it toggles a boolean, jumps out of the loop with a backwards goto and starts over. Works, but pretty is something different. (b) Converting while keeping a backing file (-B option) is broken in several ways. This includes not writing to the image file if the input has zero clusters or data filled with zeros (ignoring that the backing file will be visible instead). It also doesn't correctly limit every iteration of the copy loop to sectors of the same status so that too many sectors may be copied to in the target image. For -B this gives an unexpected result, for other images it just does more work than necessary. Conversion with a compressed target completely ignores any target backing file. (c) qemu-img convert skips reading and writing an area if it knows from metadata that copying isn't needed (except for the bug mentioned above that ignores a status change in some cases). It does, however, read from the source even if it knows that it will read zeros, and then search for non-zero bytes in the read buffer, if it's possible that a write might be needed. This reimplementation of the copying core reorganises the code to remove the duplication and have a much more obvious code flow, by essentially splitting the copy iteration loop into three parts: 1. Find the number of contiguous sectors of the same status at the current offset (This can also be called in a separate loop before the copying loop in order to determine the total sectors for the progress bar.) 2. Read sectors. If the status implies that there is no data there to read (zero or unallocated cluster), don't do anything. 3. Write sectors depending on the status. If it's data, write it. If we want the backing file to be visible (with -B), don't write it. If it's zeroed, skip it if you can, otherwise use bdrv_write_zeroes() to optimise the write at least where possible. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com>
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- 17 3月, 2015 2 次提交
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由 Markus Armbruster 提交于
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(). Commit 6936f299 cleaned that up in qemu-img.c, but two calls have crept in since. Take care of them the same way. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Markus Armbruster 提交于
Message quality regressed in commit dc523cd3. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 10 3月, 2015 2 次提交
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由 Radim Krčmář 提交于
man gcc: Warn about logical not used on the left hand side operand of a comparison. This option does not warn if the RHS operand is of a boolean type. By preferring bool over int where sensible, but without modifying any depending code, make GCC happy in cases like this, qemu-img.c: In function ‘compare_sectors’: qemu-img.c:992:39: error: logical not is only applied to the left hand side of comparison [-Werror=logical-not-parentheses] if (!!memcmp(buf1, buf2, 512) != res) { hw/ide/core.c:1836 doesn't throw an error, assert(!!s->error == !!(s->status & ERR_STAT)); even thought the second operand is int (and first hunk of this patch has a very similar case), maybe GCC developers still have a little faith in C programmers. Signed-off-by: NRadim Krčmář <rkrcmar@redhat.com> Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>
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由 Gonglei 提交于
Signed-off-by: NGonglei <arei.gonglei@huawei.com> Reviewed-by: NMarkus Armbruster <armbru@redhat.com> Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>
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- 26 2月, 2015 4 次提交
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由 Markus Armbruster 提交于
img_convert() and img_amend() use qemu_opts_do_parse(), which reports errors with qerror_report_err(). Its error messages aren't helpful here, the caller reports one that actually makes sense. Reproducer: $ qemu-img convert -o backing_format=raw in.img out.img qemu-img: Invalid parameter 'backing_format' qemu-img: Invalid options for file format 'raw' To fix, propagate errors through qemu_opts_do_parse(). This lifts the error reporting into callers. Drop it from img_convert() and img_amend(), keep it in qemu_chr_parse_compat(), bdrv_img_create(). Since I'm touching qemu_opts_do_parse() anyway, write a function comment for it. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
qemu_opt_set() is a wrapper around qemu_opt_set() that reports the error with qerror_report_err(). Most of its users assume the function can't fail. Make them use qemu_opt_set_err() with &error_abort, so that should the assumption ever break, it'll break noisily. Just two users remain, in util/qemu-config.c. Switch them to qemu_opt_set_err() as well, then rename qemu_opt_set_err() to qemu_opt_set(). Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
add_old_style_options() for img_convert() and img_resize() use qemu_opt_set(), which reports errors with qerror_report_err(). Its error messages aren't helpful here, the caller reports one that actually makes sense. Reproducer: $ qemu-img convert -B raw in.img out.img qemu-img: Invalid parameter 'backing_file' qemu-img: Backing file not supported for file format 'raw' Switch to qemu_opt_set_err() to get rid of the unwanted messages. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
Return the Error object instead of reporting it with qerror_report_err(). Change callers that assume the function can't fail to pass &error_abort, so that should the assumption ever break, it'll break noisily. Turns out all callers outside its unit test assume that. We could drop the Error ** argument, but that would make the interface less regular, so don't. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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- 18 2月, 2015 2 次提交
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由 Markus Armbruster 提交于
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(). Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
Coccinelle semantic patch: @@ expression E; @@ - error_report("%s", error_get_pretty(E)); - error_free(E); + error_report_err(E); @@ expression E, S; @@ - error_report("%s", error_get_pretty(E)); + error_report_err(E); ( exit(S); | abort(); ) Trivial manual touch-ups in block/sheepdog.c. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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- 16 2月, 2015 5 次提交
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由 Max Reitz 提交于
Although qemu-img already creates BlockBackends, it does not do accesses to the images through them. This patch converts all of the bdrv_* calls for which this is currently possible to blk_* calls. Most of the remaining calls will probably stay bdrv_* calls because they really do operate on the BDS level instead of the BB level. Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Message-id: 1423162705-32065-10-git-send-email-mreitz@redhat.com Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Max Reitz 提交于
Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Message-id: 1423162705-32065-9-git-send-email-mreitz@redhat.com Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Max Reitz 提交于
Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Message-id: 1423162705-32065-8-git-send-email-mreitz@redhat.com Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Max Reitz 提交于
The argument given to bdrv_find_protocol() is just a file name, which makes it difficult for the caller to reconstruct what protocol bdrv_find_protocol() was hoping to find. This patch adds an Error parameter to that function to solve this issue. Suggested-by: NEric Blake <eblake@redhat.com> Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Message-id: 1423162705-32065-4-git-send-email-mreitz@redhat.com Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Max Reitz 提交于
If -n is specified, it does not matter whether the output format and protocol support image creation; building the creation options should simply be skipped. Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Message-id: 1423666727-20777-2-git-send-email-mreitz@redhat.com Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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- 07 2月, 2015 1 次提交
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由 Don Slutz 提交于
This is the same way vl.c handles this. Signed-off-by: NDon Slutz <dslutz@verizon.com> Reviewed-by: NEric Blake <eblake@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 24 1月, 2015 1 次提交
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由 Jeff Cody 提交于
The string field entries 'filename', 'backing_file', and 'exact_filename' in the BlockDriverState struct are defined as 1024 bytes. However, many places that use these values accept a maximum of PATH_MAX bytes, so we have a mixture of 1024 byte and PATH_MAX byte allocations. This patch makes the BlockDriverStruct field string sizes match usage. This patch also does a few fixes related to the size that needs to happen now: * the block qapi driver is updated to use PATH_MAX bytes * the qcow and qcow2 drivers have an additional safety check * the block vvfat driver is updated to use PATH_MAX bytes for the size of backing_file, for systems where PATH_MAX is < 1024 bytes. * qemu-img uses PATH_MAX rather than 1024. These instances were not changed to be dynamically allocated, however, as the extra temporary 3K in stack usage for qemu-img does not seem worrisome. Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Reviewed-by: NJohn Snow <jsnow@redhat.com> Signed-off-by: NJeff Cody <jcody@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 10 12月, 2014 2 次提交
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由 Max Reitz 提交于
The image options which can be amended are described by the .create_opts field for every driver. This field must therefore be non-NULL so that anything can be amended in the first place. Check that this holds true before going into qemu_opts_create() (because if .create_opts is NULL, the create_opts pointer in img_amend() will be NULL after qemu_opts_append()). Cc: qemu-stable@nongnu.org Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NKevin Wolf <kwolf@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Max Reitz 提交于
If a driver supports image creation, it needs to set the .create_opts field. We can use that to make sure .create_opts for both drivers involved is not NULL for the target image in qemu-img convert, which is important so that the create_opts pointer in img_convert() is not NULL after the qemu_opts_append() calls and when going into qemu_opts_create(). Cc: qemu-stable@nongnu.org Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NKevin Wolf <kwolf@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 06 11月, 2014 1 次提交
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由 Max Reitz 提交于
img_open() already prints an error if the operation failed, so there should not be another error_report() afterwards. Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NMarkus Armbruster <armbru@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 03 11月, 2014 5 次提交
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由 Max Reitz 提交于
As soon as options is set in img_amend(), it needs to be freed before the function returns. This leak is rather insignificant, as qemu-img will exit subsequently anyway, but there's no point in not fixing it. Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NBenoit Canet <benoit@irqsave.net> Reviewed-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NBenoît Canet <benoit.canet@nodalink.com> Message-id: 1414404776-4919-4-git-send-email-mreitz@redhat.com Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Max Reitz 提交于
Now that bdrv_amend_options() supports a status callback, use it to display a progress report. Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NBenoît Canet <benoit.canet@nodalink.com> Reviewed-by: NKevin Wolf <kwolf@redhat.com> Message-id: 1414404776-4919-3-git-send-email-mreitz@redhat.com Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Max Reitz 提交于
Depending on the changed options and the image format, bdrv_amend_options() may take a significant amount of time. In these cases, a way to be informed about the operation's status is desirable. Since the operation is rather complex and may fundamentally change the image, implementing it as AIO or a coroutine does not seem feasible. On the other hand, implementing it as a block job would be significantly more difficult than a simple callback and would not add benefits other than progress report to the amending operation, because it should not actually be run as a block job at all. A callback may not be very pretty, but it's very easy to implement and perfectly fits its purpose here. Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NBenoît Canet <benoit.canet@nodalink.com> Reviewed-by: NKevin Wolf <kwolf@redhat.com> Message-id: 1414404776-4919-2-git-send-email-mreitz@redhat.com Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Max Reitz 提交于
Introduce a new parameter for qemu-img commit which may be used to explicitly specify the backing file into which an image should be committed if the backing chain has more than a single layer. [Applied Eric Blake's qemu-img.texi documentation rewording --Stefan] Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Message-id: 1414159063-25977-12-git-send-email-mreitz@redhat.com Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Max Reitz 提交于
Implement progress output for the commit command by querying the progress of the block job. Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NKevin Wolf <kwolf@redhat.com> Message-id: 1414159063-25977-11-git-send-email-mreitz@redhat.com Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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