mirror of https://gitee.com/openkylin/qemu.git
751 lines
26 KiB
Plaintext
751 lines
26 KiB
Plaintext
QA output created by 142
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Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=134217728
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Formatting 'TEST_DIR/t.IMGFMT.snap', fmt=IMGFMT size=134217728
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT
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=== Simple test for all cache modes ===
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Testing: -drive file=TEST_DIR/t.qcow2,cache=none
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QEMU X.Y.Z monitor - type 'help' for more information
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(qemu) quit
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Testing: -drive file=TEST_DIR/t.qcow2,cache=directsync
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QEMU X.Y.Z monitor - type 'help' for more information
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(qemu) quit
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Testing: -drive file=TEST_DIR/t.qcow2,cache=writeback
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QEMU X.Y.Z monitor - type 'help' for more information
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(qemu) quit
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Testing: -drive file=TEST_DIR/t.qcow2,cache=writethrough
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QEMU X.Y.Z monitor - type 'help' for more information
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(qemu) quit
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Testing: -drive file=TEST_DIR/t.qcow2,cache=unsafe
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QEMU X.Y.Z monitor - type 'help' for more information
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(qemu) quit
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Testing: -drive file=TEST_DIR/t.qcow2,cache=invalid_value
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QEMU_PROG: -drive file=TEST_DIR/t.qcow2,cache=invalid_value: invalid cache option
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=== Check inheritance of cache modes ===
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--- Configure cache modes on the command line ---
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cache.direct=on on none0
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.direct=on on file
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, direct
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Cache mode: writeback
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Cache mode: writeback
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cache.direct=on on backing
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.direct=on on backing-file
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, direct
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cache.writeback=off on none0
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Cache mode: writethrough
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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cache.writeback=off on file
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Block protocol 'file' doesn't support the option 'cache.writeback'
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cache.writeback=off on backing
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.cache.writeback=off: Could not open backing file: Block format 'qcow2' does not support the option 'cache.writeback'
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cache.writeback=off on backing-file
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.file.cache.writeback=off: Could not open backing file: Block protocol 'file' doesn't support the option 'cache.writeback'
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cache.no-flush=on on none0
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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cache.no-flush=on on file
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, ignore flushes
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Cache mode: writeback
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Cache mode: writeback
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cache.no-flush=on on backing
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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cache.no-flush=on on backing-file
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, ignore flushes
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--- Cache modes after reopen (live snapshot) ---
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cache.direct=on on none0
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.direct=on on file
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, direct
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Cache mode: writeback
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Cache mode: writeback
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cache.direct=on on backing
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.direct=on on backing-file
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, direct
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cache.writeback=off on none0
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Cache mode: writethrough
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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cache.writeback=off on file
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Block protocol 'file' doesn't support the option 'cache.writeback'
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cache.writeback=off on backing
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.cache.writeback=off: Could not open backing file: Block format 'qcow2' does not support the option 'cache.writeback'
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cache.writeback=off on backing-file
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.file.cache.writeback=off: Could not open backing file: Block protocol 'file' doesn't support the option 'cache.writeback'
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cache.no-flush=on on none0
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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cache.no-flush=on on file
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, ignore flushes
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Cache mode: writeback
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Cache mode: writeback
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cache.no-flush=on on backing
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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cache.no-flush=on on backing-file
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, ignore flushes
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--- Change cache modes with reopen (qemu-io command, flags) ---
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cache.direct=on on none0
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.direct=on on file
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.direct=on on backing
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.direct=on on backing-file
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.writeback=off on none0
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.writeback=off on file
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Block protocol 'file' doesn't support the option 'cache.writeback'
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cache.writeback=off on backing
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.cache.writeback=off: Could not open backing file: Block format 'qcow2' does not support the option 'cache.writeback'
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cache.writeback=off on backing-file
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.file.cache.writeback=off: Could not open backing file: Block protocol 'file' doesn't support the option 'cache.writeback'
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cache.no-flush=on on none0
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.no-flush=on on file
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct, ignore flushes
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.no-flush=on on backing
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct, ignore flushes
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Cache mode: writeback, direct, ignore flushes
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cache.no-flush=on on backing-file
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct, ignore flushes
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--- Change cache modes with reopen (qemu-io command, options) ---
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cache.direct=on on none0
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.direct=on on file
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.direct=on on backing
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.direct=on on backing-file
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.writeback=off on none0
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Cache mode: writethrough, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.writeback=off on file
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Block protocol 'file' doesn't support the option 'cache.writeback'
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cache.writeback=off on backing
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.cache.writeback=off: Could not open backing file: Block format 'qcow2' does not support the option 'cache.writeback'
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cache.writeback=off on backing-file
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.file.cache.writeback=off: Could not open backing file: Block protocol 'file' doesn't support the option 'cache.writeback'
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cache.no-flush=on on none0
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Cache mode: writeback, direct, ignore flushes
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Cache mode: writeback, direct, ignore flushes
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Cache mode: writeback, direct, ignore flushes
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Cache mode: writeback, direct, ignore flushes
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Cache mode: writeback, direct, ignore flushes
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cache.no-flush=on on file
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct, ignore flushes
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.no-flush=on on backing
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct, ignore flushes
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Cache mode: writeback, direct, ignore flushes
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cache.no-flush=on on backing-file
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct, ignore flushes
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--- Change cache modes after snapshot ---
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cache.direct=on on none0
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.direct=on on file
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Cache mode: writeback, direct
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Cache mode: writeback
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Cache mode: writeback, direct
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Cache mode: writeback
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Cache mode: writeback
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cache.direct=on on backing
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Cache mode: writeback, direct
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, direct
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Cache mode: writeback, direct
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cache.direct=on on backing-file
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Cache mode: writeback, direct
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, direct
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cache.writeback=off on none0
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Cache mode: writeback, direct
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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cache.writeback=off on file
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Block protocol 'file' doesn't support the option 'cache.writeback'
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cache.writeback=off on backing
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.cache.writeback=off: Could not open backing file: Block format 'qcow2' does not support the option 'cache.writeback'
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cache.writeback=off on backing-file
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QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.file.cache.writeback=off: Could not open backing file: Block protocol 'file' doesn't support the option 'cache.writeback'
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cache.no-flush=on on none0
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Cache mode: writeback, direct
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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cache.no-flush=on on file
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Cache mode: writeback, direct
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Cache mode: writeback
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Cache mode: writeback, ignore flushes
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Cache mode: writeback
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Cache mode: writeback
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cache.no-flush=on on backing
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Cache mode: writeback, direct
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, ignore flushes
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Cache mode: writeback, ignore flushes
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cache.no-flush=on on backing-file
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Cache mode: writeback, direct
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, ignore flushes
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--- Change cache mode in parent, child has explicit option in JSON ---
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Cache mode: writeback, direct, ignore flushes
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Cache mode: writeback, direct, ignore flushes
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Cache mode: writeback, direct, ignore flushes
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Cache mode: writeback, ignore flushes
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=== Check that referenced BDSes don't inherit ===
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--- Configure cache modes on the command line ---
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cache.direct=on on blk
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Cache mode: writeback, direct
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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cache.direct=on on file
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Cache mode: writeback
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Cache mode: writeback, direct
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Cache mode: writeback
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Cache mode: writeback
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cache.direct=on on backing
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, direct
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Cache mode: writeback
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cache.direct=on on backing-file
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback, direct
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cache.writeback=off on blk
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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cache.writeback=off on file
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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cache.writeback=off on backing
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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cache.writeback=off on backing-file
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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Cache mode: writeback
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cache.no-flush=on on blk
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Cache mode: writeback, ignore flushes
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|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.no-flush=on on file
|
|
Cache mode: writeback
|
|
Cache mode: writeback, ignore flushes
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.no-flush=on on backing
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, ignore flushes
|
|
Cache mode: writeback
|
|
|
|
cache.no-flush=on on backing-file
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, ignore flushes
|
|
|
|
--- Cache modes after reopen (live snapshot) ---
|
|
|
|
cache.direct=on on blk
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.direct=on on file
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.direct=on on backing
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
|
|
cache.direct=on on backing-file
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, direct
|
|
|
|
|
|
cache.writeback=off on blk
|
|
Cache mode: writethrough
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.writeback=off on file
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.writeback=off on backing
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.writeback=off on backing-file
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
|
|
cache.no-flush=on on blk
|
|
Cache mode: writeback, ignore flushes
|
|
Cache mode: writeback, ignore flushes
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.no-flush=on on file
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, ignore flushes
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.no-flush=on on backing
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, ignore flushes
|
|
Cache mode: writeback
|
|
|
|
cache.no-flush=on on backing-file
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, ignore flushes
|
|
|
|
--- Change cache modes with reopen (qemu-io command, flags) ---
|
|
|
|
cache.direct=on on blk
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.direct=on on file
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.direct=on on backing
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
|
|
cache.direct=on on backing-file
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, direct
|
|
|
|
|
|
cache.writeback=off on blk
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.writeback=off on file
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.writeback=off on backing
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.writeback=off on backing-file
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
|
|
cache.no-flush=on on blk
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.no-flush=on on file
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, ignore flushes
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
|
|
cache.no-flush=on on backing
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback, ignore flushes
|
|
Cache mode: writeback
|
|
|
|
cache.no-flush=on on backing-file
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, ignore flushes
|
|
|
|
=== Reopening children instead of the root ===
|
|
|
|
|
|
--- Basic reopen ---
|
|
|
|
cache.direct=on on none0
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct
|
|
|
|
cache.direct=on on file
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct
|
|
|
|
cache.direct=on on backing
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct
|
|
|
|
cache.direct=on on backing-file
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct
|
|
|
|
|
|
cache.writeback=off on none0
|
|
Cache mode: writethrough
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct
|
|
|
|
cache.writeback=off on file
|
|
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Block protocol 'file' doesn't support the option 'cache.writeback'
|
|
|
|
cache.writeback=off on backing
|
|
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.cache.writeback=off: Could not open backing file: Block format 'qcow2' does not support the option 'cache.writeback'
|
|
|
|
cache.writeback=off on backing-file
|
|
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.file.cache.writeback=off: Could not open backing file: Block protocol 'file' doesn't support the option 'cache.writeback'
|
|
|
|
|
|
cache.no-flush=on on none0
|
|
Cache mode: writeback, ignore flushes
|
|
Cache mode: writeback, ignore flushes
|
|
Cache mode: writeback, ignore flushes
|
|
Cache mode: writeback, direct, ignore flushes
|
|
Cache mode: writeback, direct, ignore flushes
|
|
|
|
cache.no-flush=on on file
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, ignore flushes
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct
|
|
|
|
cache.no-flush=on on backing
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, direct, ignore flushes
|
|
Cache mode: writeback, direct, ignore flushes
|
|
|
|
cache.no-flush=on on backing-file
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, direct, ignore flushes
|
|
|
|
--- Change cache mode after reopening child ---
|
|
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback
|
|
Cache mode: writeback, direct
|
|
Cache mode: writeback, ignore flushes
|
|
*** done
|