X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=src%2Fgenerator.ml;h=5b479e78732a43ee696eec88638880b9b4ea4776;hp=b274411bd753373e0f9bfaac045dbfc4bc1be792;hb=7a4ec57e54ab98de05438bff838a7531391d3965;hpb=c3a68961859a617f7c574c528d0f8ac1fdbb53e1

diff --git a/src/generator.ml b/src/generator.ml
index b274411..5b479e7 100755
--- a/src/generator.ml
+++ b/src/generator.ml
@@ -958,8 +958,15 @@ exist.
 The mounted filesystem is writable, if we have sufficient permissions
 on the underlying device.
 
-The filesystem options C<sync> and C<noatime> are set with this
-call, in order to improve reliability.");
+B<Important note:>
+When you use this call, the filesystem options C<sync> and C<noatime>
+are set implicitly.  This was originally done because we thought it
+would improve reliability, but it turns out that I<-o sync> has a
+very large negative performance impact and negligible effect on
+reliability.  Therefore we recommend that you avoid using
+C<guestfs_mount> in any code that needs performance, and instead
+use C<guestfs_mount_options> (use an empty string for the first
+parameter if you don't want any options).");
 
   ("sync", (RErr, []), 2, [],
    [ InitEmpty, Always, TestRun [["sync"]]],
@@ -2026,7 +2033,11 @@ Compute the SHA512 hash (using the C<sha512sum> program).
 
 =back
 
-The checksum is returned as a printable string.");
+The checksum is returned as a printable string.
+
+To get the checksum for a device, use C<guestfs_checksum_device>.
+
+To get the checksums for many files, use C<guestfs_checksums_out>.");
 
   ("tar_in", (RErr, [FileIn "tarfile"; Pathname "directory"]), 69, [],
    [InitBasicFS, Always, TestOutput (
@@ -2091,7 +2102,11 @@ mounts the filesystem with the read-only (I<-o ro>) flag.");
    "\
 This is the same as the C<guestfs_mount> command, but it
 allows you to set the mount options as for the
-L<mount(8)> I<-o> flag.");
+L<mount(8)> I<-o> flag.
+
+If the C<options> parameter is an empty string, then
+no options are passed (all options default to whatever
+the filesystem uses).");
 
   ("mount_vfs", (RErr, [String "options"; String "vfstype"; Device "device"; String "mountpoint"]), 75, [],
    [],
@@ -2459,7 +2474,10 @@ The returned strings are transcoded to UTF-8.");
      * commands to segfault.
      *)
     InitISOFS, Always, TestRun (
-      [["hexdump"; "/100krandom"]])],
+      [["hexdump"; "/100krandom"]]);
+    (* Test for RHBZ#579608, absolute symbolic links. *)
+    InitISOFS, Always, TestRun (
+      [["hexdump"; "/abssymlink"]])],
    "dump a file in hexadecimal",
    "\
 This runs C<hexdump -C> on the given C<path>.  The result is
@@ -2581,7 +2599,14 @@ are activated or deactivated.");
        ["e2fsck_f"; "/dev/VG/LV"];
        ["resize2fs"; "/dev/VG/LV"];
        ["mount_options"; ""; "/dev/VG/LV"; "/"];
-       ["cat"; "/new"]], "test content")],
+       ["cat"; "/new"]], "test content");
+    InitNone, Always, TestRun (
+      (* Make an LV smaller to test RHBZ#587484. *)
+      [["part_disk"; "/dev/sda"; "mbr"];
+       ["pvcreate"; "/dev/sda1"];
+       ["vgcreate"; "VG"; "/dev/sda1"];
+       ["lvcreate"; "LV"; "VG"; "20"];
+       ["lvresize"; "/dev/VG/LV"; "10"]])],
    "resize an LVM logical volume",
    "\
 This resizes (expands or shrinks) an existing LVM logical
@@ -2989,6 +3014,14 @@ constants.  C<devmajor> and C<devminor> are the
 device major and minor numbers, only used when creating block
 and character special devices.
 
+Note that, just like L<mknod(2)>, the mode must be bitwise
+OR'd with S_IFBLK, S_IFCHR, S_IFIFO or S_IFSOCK (otherwise this call
+just creates a regular file).  These constants are
+available in the standard Linux header files, or you can use
+C<guestfs_mknod_b>, C<guestfs_mknod_c> or C<guestfs_mkfifo>
+which are wrappers around this command which bitwise OR
+in the appropriate constant for you.
+
 The mode actually set is affected by the umask.");
 
   ("mkfifo", (RErr, [Int "mode"; Pathname "path"]), 134, [Optional "mknod"],
@@ -4536,6 +4569,22 @@ to C<filename>.");
 This command downloads the contents of C<filename>, writing
 it out to local file C<base64file> encoded as base64.");
 
+  ("checksums_out", (RErr, [String "csumtype"; Pathname "directory"; FileOut "sumsfile"]), 244, [],
+   [],
+   "compute MD5, SHAx or CRC checksum of files in a directory",
+   "\
+This command computes the checksums of all regular files in
+C<directory> and then emits a list of those checksums to
+the local output file C<sumsfile>.
+
+This can be used for verifying the integrity of a virtual
+machine.  However to be properly secure you should pay
+attention to the output of the checksum command (it uses
+the ones from GNU coreutils).  In particular when the
+filename is not printable, coreutils uses a special
+backslash syntax.  For more information, see the GNU
+coreutils info file.");
+
 ]
 
 let all_functions = non_daemon_functions @ daemon_functions
@@ -6670,6 +6719,8 @@ int main (int argc, char *argv[])
   iteri (
     fun i test_name ->
       pr "  test_num++;\n";
+      pr "  if (guestfs_get_verbose (g))\n";
+      pr "    printf (\"-------------------------------------------------------------------------------\\n\");\n";
       pr "  printf (\"%%3d/%%3d %s\\n\", test_num, nr_tests);\n" test_name;
       pr "  if (%s () == -1) {\n" test_name;
       pr "    printf (\"%s FAILED\\n\");\n" test_name;