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https://github.com/xemu-project/xemu.git
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661a0f712b
qemu-img currently writes disk images using writeback and filling up the cache buffers which are then flushed by the kernel preventing other processes from accessing the storage. This is particularly bad in cluster environments where time-based algorithms might be in place and accessing the storage within certain timeouts is critical. This patch adds the option to choose a cache method when writing disk images. Signed-off-by: Federico Simoncelli <fsimonce@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
60 lines
1.7 KiB
Haxe
60 lines
1.7 KiB
Haxe
HXCOMM Use DEFHEADING() to define headings in both help text and texi
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HXCOMM Text between STEXI and ETEXI are copied to texi version and
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HXCOMM discarded from C version
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HXCOMM DEF(command, callback, arg_string) is used to construct
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HXCOMM command structures and help message.
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HXCOMM HXCOMM can be used for comments, discarded from both texi and C
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STEXI
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@table @option
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ETEXI
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DEF("check", img_check,
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"check [-f fmt] filename")
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STEXI
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@item check [-f @var{fmt}] @var{filename}
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ETEXI
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DEF("create", img_create,
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"create [-f fmt] [-o options] filename [size]")
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STEXI
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@item create [-f @var{fmt}] [-o @var{options}] @var{filename} [@var{size}]
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ETEXI
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DEF("commit", img_commit,
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"commit [-f fmt] [-t cache] filename")
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STEXI
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@item commit [-f @var{fmt}] @var{filename}
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ETEXI
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DEF("convert", img_convert,
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"convert [-c] [-p] [-f fmt] [-t cache] [-O output_fmt] [-o options] [-s snapshot_name] filename [filename2 [...]] output_filename")
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STEXI
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@item convert [-c] [-f @var{fmt}] [-O @var{output_fmt}] [-o @var{options}] [-s @var{snapshot_name}] @var{filename} [@var{filename2} [...]] @var{output_filename}
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ETEXI
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DEF("info", img_info,
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"info [-f fmt] filename")
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STEXI
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@item info [-f @var{fmt}] @var{filename}
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ETEXI
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DEF("snapshot", img_snapshot,
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"snapshot [-l | -a snapshot | -c snapshot | -d snapshot] filename")
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STEXI
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@item snapshot [-l | -a @var{snapshot} | -c @var{snapshot} | -d @var{snapshot}] @var{filename}
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ETEXI
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DEF("rebase", img_rebase,
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"rebase [-f fmt] [-t cache] [-p] [-u] -b backing_file [-F backing_fmt] filename")
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STEXI
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@item rebase [-f @var{fmt}] [-u] -b @var{backing_file} [-F @var{backing_fmt}] @var{filename}
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ETEXI
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DEF("resize", img_resize,
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"resize filename [+ | -]size")
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STEXI
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@item resize @var{filename} [+ | -]@var{size}
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@end table
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ETEXI
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