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| author | Junfeng Dong <junfeng.dong@intel.com> | 2013-11-19 17:45:23 +0800 |
|---|---|---|
| committer | Junfeng Dong <junfeng.dong@intel.com> | 2013-11-19 17:45:23 +0800 |
| commit | 340f06c9eaee097e626c251bf7a013350649c091 (patch) | |
| tree | 107e5705050a12da68fc80a56ae37afd50a2cc94 /qemu-nbd.texi | |
| parent | 42bf3037d458a330856a0be584200c1e41c3f417 (diff) | |
| download | qemu-340f06c9eaee097e626c251bf7a013350649c091.tar.gz qemu-340f06c9eaee097e626c251bf7a013350649c091.tar.bz2 qemu-340f06c9eaee097e626c251bf7a013350649c091.zip | |
Import upstream 1.6.0.upstream/1.6.0
Change-Id: Icf52b556470cac8677297f2ef14ded16684f7887
Signed-off-by: Junfeng Dong <junfeng.dong@intel.com>
Diffstat (limited to 'qemu-nbd.texi')
| -rw-r--r-- | qemu-nbd.texi | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/qemu-nbd.texi b/qemu-nbd.texi index 6955d9032..6055ec693 100644 --- a/qemu-nbd.texi +++ b/qemu-nbd.texi @@ -29,13 +29,24 @@ Export QEMU disk image using NBD protocol. @item -s, --snapshot use snapshot file @item -n, --nocache - disable host cache +@itemx --cache=@var{cache} + set cache mode to be used with the file. See the documentation of + the emulator's @code{-drive cache=...} option for allowed values. +@item --aio=@var{aio} + choose asynchronous I/O mode between @samp{threads} (the default) + and @samp{native} (Linux only). +@item --discard=@var{discard} + toggles whether @dfn{discard} (also known as @dfn{trim} or @dfn{unmap}) + requests are ignored or passed to the filesystem. The default is no + (@samp{--discard=ignore}). @item -c, --connect=@var{dev} connect @var{filename} to NBD device @var{dev} @item -d, --disconnect disconnect the specified device @item -e, --shared=@var{num} device can be shared by @var{num} clients (default @samp{1}) +@item -f, --format=@var{fmt} + force block driver for format @var{fmt} instead of auto-detecting @item -t, --persistent don't exit on the last connection @item -v, --verbose |