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| author | Richard W.M. Jones <rjones@redhat.com> | 2010-09-26 18:00:11 +0100 |
|---|---|---|
| committer | Richard W.M. Jones <rjones@redhat.com> | 2010-09-26 22:21:36 +0100 |
| commit | eeaab2ba84441a96977281a4472b1bccb9ec80a9 (patch) | |
| tree | 0e0e103b582b957d3d018469843dd49912e8893d /generator | |
| parent | 5a8c8b8bf6e846b8d2d7e710f814d24d9a0183c3 (diff) | |
| download | libguestfs-eeaab2ba84441a96977281a4472b1bccb9ec80a9.tar.gz libguestfs-eeaab2ba84441a96977281a4472b1bccb9ec80a9.tar.xz libguestfs-eeaab2ba84441a96977281a4472b1bccb9ec80a9.zip | |
New API: pwrite-device
This is the same as the existing 'pwrite' API call, but allows you
to write to a device.
Diffstat (limited to 'generator')
| -rw-r--r-- | generator/generator_actions.ml | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/generator/generator_actions.ml b/generator/generator_actions.ml index ac8dab21..e94fcbde 100644 --- a/generator/generator_actions.ml +++ b/generator/generator_actions.ml @@ -4812,7 +4812,7 @@ return value is the number of bytes that were actually written to the file. This could even be 0, although short writes are unlikely for regular files in ordinary circumstances. -See also C<guestfs_pread>."); +See also C<guestfs_pread>, C<guestfs_pwrite_device>."); ("resize2fs_size", (RErr, [Device "device"; Int64 "size"]), 248, [], [], @@ -5166,6 +5166,23 @@ error occurs. See also C<guestfs_download>, C<guestfs_pread>."); + ("pwrite_device", (RInt "nbytes", [Device "device"; BufferIn "content"; Int64 "offset"]), 275, [ProtocolLimitWarning], + [InitPartition, Always, TestOutputList ( + [["pwrite_device"; "/dev/sda"; "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"; "446"]; + ["blockdev_rereadpt"; "/dev/sda"]; + ["list_partitions"]], [])], + "write to part of a device", + "\ +This command writes to part of a device. It writes the data +buffer C<content> to C<device> starting at offset C<offset>. + +This command implements the L<pwrite(2)> system call, and like +that system call it may not write the full data requested +(although short writes to disk devices and partitions are +probably impossible with standard Linux kernels). + +See also C<guestfs_pwrite>."); + ] let all_functions = non_daemon_functions @ daemon_functions |