X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=guestfs-actions.pod;h=520425cc95b10d687169af5ff7cc3c5bc5360ff5;hp=03378e0a3f07cbcfb72dfbd57c8ce23a1066b890;hb=1765330e07a48dc6f7bdef7007f69ebe606fa731;hpb=6bcbe54b5785cb8c911ccf4b724ae6abfdf53ce4

diff --git a/guestfs-actions.pod b/guestfs-actions.pod
index 03378e0..520425c 100644
--- a/guestfs-actions.pod
+++ b/guestfs-actions.pod
@@ -239,6 +239,136 @@ Set the value associated with C<path> to C<value>.
 
 This function returns 0 on success or -1 on error.
 
+=head2 guestfs_blockdev_flushbufs
+
+ int guestfs_blockdev_flushbufs (guestfs_h *handle,
+		const char *device);
+
+This tells the kernel to flush internal buffers associated
+with C<device>.
+
+This uses the L<blockdev(8)> command.
+
+This function returns 0 on success or -1 on error.
+
+=head2 guestfs_blockdev_getbsz
+
+ int guestfs_blockdev_getbsz (guestfs_h *handle,
+		const char *device);
+
+This returns the block size of a device.
+
+(Note this is different from both I<size in blocks> and
+I<filesystem block size>).
+
+This uses the L<blockdev(8)> command.
+
+On error this function returns -1.
+
+=head2 guestfs_blockdev_getro
+
+ int guestfs_blockdev_getro (guestfs_h *handle,
+		const char *device);
+
+Returns a boolean indicating if the block device is read-only
+(true if read-only, false if not).
+
+This uses the L<blockdev(8)> command.
+
+This function returns a C truth value on success or -1 on error.
+
+=head2 guestfs_blockdev_getsize64
+
+ int64_t guestfs_blockdev_getsize64 (guestfs_h *handle,
+		const char *device);
+
+This returns the size of the device in bytes.
+
+See also C<guestfs_blockdev_getsz>.
+
+This uses the L<blockdev(8)> command.
+
+On error this function returns -1.
+
+=head2 guestfs_blockdev_getss
+
+ int guestfs_blockdev_getss (guestfs_h *handle,
+		const char *device);
+
+This returns the size of sectors on a block device.
+Usually 512, but can be larger for modern devices.
+
+(Note, this is not the size in sectors, use C<guestfs_blockdev_getsz>
+for that).
+
+This uses the L<blockdev(8)> command.
+
+On error this function returns -1.
+
+=head2 guestfs_blockdev_getsz
+
+ int64_t guestfs_blockdev_getsz (guestfs_h *handle,
+		const char *device);
+
+This returns the size of the device in units of 512-byte sectors
+(even if the sectorsize isn't 512 bytes ... weird).
+
+See also C<guestfs_blockdev_getss> for the real sector size of
+the device, and C<guestfs_blockdev_getsize64> for the more
+useful I<size in bytes>.
+
+This uses the L<blockdev(8)> command.
+
+On error this function returns -1.
+
+=head2 guestfs_blockdev_rereadpt
+
+ int guestfs_blockdev_rereadpt (guestfs_h *handle,
+		const char *device);
+
+Reread the partition table on C<device>.
+
+This uses the L<blockdev(8)> command.
+
+This function returns 0 on success or -1 on error.
+
+=head2 guestfs_blockdev_setbsz
+
+ int guestfs_blockdev_setbsz (guestfs_h *handle,
+		const char *device,
+		int blocksize);
+
+This sets the block size of a device.
+
+(Note this is different from both I<size in blocks> and
+I<filesystem block size>).
+
+This uses the L<blockdev(8)> command.
+
+This function returns 0 on success or -1 on error.
+
+=head2 guestfs_blockdev_setro
+
+ int guestfs_blockdev_setro (guestfs_h *handle,
+		const char *device);
+
+Sets the block device named C<device> to read-only.
+
+This uses the L<blockdev(8)> command.
+
+This function returns 0 on success or -1 on error.
+
+=head2 guestfs_blockdev_setrw
+
+ int guestfs_blockdev_setrw (guestfs_h *handle,
+		const char *device);
+
+Sets the block device named C<device> to read-write.
+
+This uses the L<blockdev(8)> command.
+
+This function returns 0 on success or -1 on error.
+
 =head2 guestfs_cat
 
  char *guestfs_cat (guestfs_h *handle,
@@ -248,7 +378,7 @@ Return the contents of the file named C<path>.
 
 Note that this function cannot correctly handle binary files
 (specifically, files containing C<\0> character which is treated
-as end of string).  For those you need to use the C<guestfs_read_file>
+as end of string).  For those you need to use the C<guestfs_download>
 function which has a more complex interface.
 
 This function returns a string, or NULL on error.
@@ -854,6 +984,25 @@ to create a new zero-length file.
 
 This function returns 0 on success or -1 on error.
 
+=head2 guestfs_tune2fs_l
+
+ char **guestfs_tune2fs_l (guestfs_h *handle,
+		const char *device);
+
+This returns the contents of the ext2 or ext3 filesystem superblock
+on C<device>.
+
+It is the same as running C<tune2fs -l device>.  See L<tune2fs(8)>
+manpage for more details.  The list of fields returned isn't
+clearly defined, and depends on both the version of C<tune2fs>
+that libguestfs was built against, and the filesystem itself.
+
+This function returns a NULL-terminated array of
+strings, or NULL if there was an error.
+The array of strings will always have length C<2n+1>, where
+C<n> keys and values alternate, followed by the trailing NULL entry.
+I<The caller must free the strings and the array after use>.
+
 =head2 guestfs_umount
 
  int guestfs_umount (guestfs_h *handle,