X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=src%2Fguestfs.pod;h=3794023afcac27cda1a3e71a868d635eb36cf3e7;hp=e3f6cf059469a2e8312dbe92094c71b845db9332;hb=1d1cc4114d48623fb44e3d18e74407902c8f2ae9;hpb=6b500f1b8e1ac8d28c485a5591c2833b18cc86e2

diff --git a/src/guestfs.pod b/src/guestfs.pod
index e3f6cf0..3794023 100644
--- a/src/guestfs.pod
+++ b/src/guestfs.pod
@@ -258,7 +258,11 @@ L</guestfs_tgz_out>.
 It's often the case that you want to write a file or files to the disk
 image.
 
-For small, single files, use L</guestfs_write>.
+To write a small file with fixed content, use L</guestfs_write>.  To
+create a file of all zeroes, use L</guestfs_truncate_size> (sparse) or
+L</guestfs_fallocate64> (with all disk blocks allocated).  There are a
+variety of other functions for creating test files, for example
+L</guestfs_fill> and L</guestfs_fill_pattern>.
 
 To upload a single file, use L</guestfs_upload>.  This call has no
 limits on file content or size (even files larger than 4 GB).