X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=generator%2Fgenerator_actions.ml;h=1186c33c48bb75e0dc394993ad6ab24773b8c24c;hb=49dc7678bf4bc870c0596c9b76f582a4caef88f8;hp=87c934aa22a5d4a0a36c366d62e9be01dfa5ceab;hpb=f173543fd207bdc254a5eb75180d82ef25eacae9;p=libguestfs.git

diff --git a/generator/generator_actions.ml b/generator/generator_actions.ml
index 87c934a..1186c33 100644
--- a/generator/generator_actions.ml
+++ b/generator/generator_actions.ml
@@ -1821,7 +1821,12 @@ do not overwrite original.  Overrides C<AUG_SAVE_BACKUP>.
 
 =item C<AUG_TYPE_CHECK> = 4
 
-Typecheck lenses (can be expensive).
+Typecheck lenses.
+
+This option is only useful when debugging Augeas lenses.  Use
+of this option may require additional memory for the libguestfs
+appliance.  You may need to set the C<LIBGUESTFS_MEMSIZE>
+environment variable or call C<guestfs_set_memsize>.
 
 =item C<AUG_NO_STDINC> = 8
 
@@ -3001,6 +3006,10 @@ How many blocks are zeroed isn't specified (but it's I<not> enough
 to securely wipe the device).  It should be sufficient to remove
 any partition tables, filesystem superblocks and so on.
 
+If blocks are already zero, then this command avoids writing
+zeroes.  This prevents the underlying device from becoming non-sparse
+or growing unnecessarily.
+
 See also: C<guestfs_zero_device>, C<guestfs_scrub_device>,
 C<guestfs_is_zero_device>");
 
@@ -4843,7 +4852,9 @@ Possible values for C<parttype> are:
 
 =over 4
 
-=item B<efi> | B<gpt>
+=item B<efi>
+
+=item B<gpt>
 
 Intel EFI / GPT partition table.
 
@@ -4851,7 +4862,9 @@ This is recommended for >= 2 TB partitions that will be accessed
 from Linux and Intel-based Mac OS X.  It also has limited backwards
 compatibility with the C<mbr> format.
 
-=item B<mbr> | B<msdos>
+=item B<mbr>
+
+=item B<msdos>
 
 The standard PC \"Master Boot Record\" (MBR) format used
 by MS-DOS and Windows.  This partition type will B<only> work
@@ -4869,7 +4882,9 @@ supported include:
 
 AIX disk labels.
 
-=item B<amiga> | B<rdb>
+=item B<amiga>
+
+=item B<rdb>
 
 Amiga \"Rigid Disk Block\" format.
 
@@ -5218,7 +5233,11 @@ is not large enough.");
    "\
 This command writes zeroes over the entire C<device>.  Compare
 with C<guestfs_zero> which just zeroes the first few blocks of
-a device.");
+a device.
+
+If blocks are already zero, then this command avoids writing
+zeroes.  This prevents the underlying device from becoming non-sparse
+or growing unnecessarily.");
 
   ("txz_in", (RErr, [FileIn "tarball"; Pathname "directory"], []), 229, [Optional "xz"],
    [InitScratchFS, Always, TestOutput (