Generated code for the virtio_blk change.

[libguestfs.git] / perl / lib / Sys / Guestfs.pm

diff --git a/perl/lib/Sys/Guestfs.pm b/perl/lib/Sys/Guestfs.pm
index 083a017..cd26bed 100644 (file)
--- a/perl/lib/Sys/Guestfs.pm
+++ b/perl/lib/Sys/Guestfs.pm
@@ -115,7 +115,8 @@ for whatever operations you want to perform (ie. read access if you
 just want to read the image or write access if you want to modify the
 image).
 
 just want to read the image or write access if you want to modify the
 image).
 

-This is equivalent to the qemu parameter C<-drive file=filename,cache=off>.
+This is equivalent to the qemu parameter
+C<-drive file=filename,cache=off,if=virtio>.

 
 Note that this call checks for the existence of C<filename>.  This
 stops you from specifying other types of drive which are supported
 
 Note that this call checks for the existence of C<filename>.  This
 stops you from specifying other types of drive which are supported


@@ -134,7 +135,7 @@ handle is closed.  We don't currently have any method to enable
 changes to be committed, although qemu can support this.
 
 This is equivalent to the qemu parameter
 changes to be committed, although qemu can support this.
 
 This is equivalent to the qemu parameter

-C<-drive file=filename,snapshot=on>.
+C<-drive file=filename,snapshot=on,if=virtio>.

 
 Note that this call checks for the existence of C<filename>.  This
 stops you from specifying other types of drive which are supported
 
 Note that this call checks for the existence of C<filename>.  This
 stops you from specifying other types of drive which are supported


@@ -1480,6 +1481,10 @@ with permissions like "-rw-r--r--" or "-rwxr-xr-x", and
 C<002> which creates new files with permissions like
 "-rw-rw-r--" or "-rwxrwxr-x".
 
 C<002> which creates new files with permissions like
 "-rw-rw-r--" or "-rwxrwxr-x".
 

+The default umask is C<022>.  This is important because it
+means that directories and device nodes will be created with
+C<0644> or C<0755> mode even if you specify C<0777>.
+

 See also L<umask(2)>, C<$h-E<gt>mknod>, C<$h-E<gt>mkdir>.
 
 This call returns the previous umask.
 See also L<umask(2)>, C<$h-E<gt>mknod>, C<$h-E<gt>mkdir>.
 
 This call returns the previous umask.