Open 2.0 development tree

[qemu.git] / qemu-nbd.texi

diff --git a/qemu-nbd.texi b/qemu-nbd.texi
index ef13b3431ba53e60fcda2e17f13e0feeff2c106d..6055ec693b81b8e495ca575c9b246ed0e0e5012e 100644 (file)
--- a/qemu-nbd.texi
+++ b/qemu-nbd.texi
@@ -6,7 +6,7 @@ usage: qemu-nbd [OPTION]...  @var{filename}
 
 @c man begin DESCRIPTION
 
-Export Qemu disk image using NBD protocol.
+Export QEMU disk image using NBD protocol.
 
 @c man end
 
@@ -29,13 +29,24 @@ Export Qemu disk image using NBD protocol.
 @item -s, --snapshot
   use snapshot file
 @item -n, --nocache
-  disable host cache
-@item -c, --connect
-  connect FILE to NBD device DEV
+@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