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Diffstat (limited to 'qemu-nbd.texi')
| -rw-r--r-- | qemu-nbd.texi | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/qemu-nbd.texi b/qemu-nbd.texi index 3e57200e76..5f3f3e3276 100644 --- a/qemu-nbd.texi +++ b/qemu-nbd.texi @@ -35,6 +35,10 @@ Export QEMU disk image using NBD protocol. @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 |