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2018-03-02iotest 033: add misaligned write-zeroes test via truncateAnton Nefedov1-0/+13
This new test case only makes sense for qcow2 while iotest 033 is generic; however it matches the test purpose perfectly and also 033 contains those do_test() tricks to pass the alignment, which won't look nice being duplicated in other tests or moved to the common code. Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-04-15block: Fix blk_aio_write_zeroes()Kevin Wolf1-0/+82
Commit 57d6a428 broke blk_aio_write_zeroes() because in some write functions in the call path don't have an explicit length argument but reuse qiov->size instead. Which is great, except that write_zeroes doesn't have a qiov, which this commit interprets as 0 bytes. Consequently, blk_aio_write_zeroes() didn't effectively do anything. This patch introduces an explicit acb->bytes in BlkAioEmAIOCB and uses that instead of acb->rwco.size. The synchronous version of the function is okay because it does pass a qiov (with the right size and a NULL pointer as its base). Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-05-22qemu-iotests: Test unaligned sub-block zero writeFam Zheng1-0/+30
Test zero write in byte range 512~1024 for 4k alignment. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1431522721-3266-4-git-send-email-famz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-03-27qemu-iotests: Test unaligned 4k zero writeFam Zheng1-0/+26
Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1427160230-4489-3-git-send-email-famz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-12-12qemu-iotests: Remove traling whitespaces in *.outFam Zheng1-1/+1
This is simply: $ cd tests/qemu-iotests; sed -i -e 's/ *$//' *.out Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 1418110684-19528-2-git-send-email-famz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2012-05-10qemu-io: correctly print non-integer values as decimalsPaolo Bonzini1-3/+3
qemu-io's cvtstr function sometimes will incorrectly omit the decimal part of the number, and sometimes will incorrectly include it. This patch fixes both. The former is more serious, and can be seen in the patches to 027.out and 033.out. The changes to all other files were scripted with sed, so there were no "surprises" beyond 027.out and 033.out. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-04-20qemu-iotests: add a simple test for write_zeroesPaolo Bonzini1-0/+29
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>