use IO::Handle;
+# NOTE long long are layed out in ia32 memory as follows:
+# u = 0xaaaabbbbccccdddd has ccccdddd at &u and aaaabbbb 4 bytes on
+# this may be different on other architectures
+
+# we use 32-bit integers for all 64-bit quantities in this program
+# #define OBD_INLINESZ 64
+# #define OBD_OBDMDSZ 64
+# /* Note: 64-bit types are 64-bit aligned in structure */
+# struct obdo {
+# obd_id o_id;
+# obd_gr o_gr;
+# obd_time o_atime;
+# obd_time o_mtime;
+# obd_time o_ctime;
+# obd_size o_size;
+# obd_blocks o_blocks;
+# obd_blksize o_blksize;
+# obd_mode o_mode;
+# obd_uid o_uid;
+# obd_gid o_gid;
+# obd_flag o_flags;
+# obd_flag o_obdflags;
+# obd_count o_nlink;
+# obd_flag o_valid; /* hot fields in this obdo */
+# char o_inline[OBD_INLINESZ];
+# char o_obdmd[OBD_OBDMDSZ];
+# struct list_head o_list;
+# struct obd_ops *o_op;
+# };
+
+sub obdo_pack {
+ my $obdo = shift;
+ pack "LL LL LL LL LL LL LL L L L L L L L L a60 a64 L L L",
+ $obdo->{id}, 0,
+ $obdo->{gr}, 0,
+ $obdo->{atime}, 0,
+ $obdo->{mtime}, 0 ,
+ $obdo->{ctime}, 0,
+ $obdo->{size}, 0,
+ $obdo->{blocks}, 0,
+ $obdo->{blksize},
+ $obdo->{mode},
+ $obdo->{uid},
+ $obdo->{gid},
+ $obdo->{flags},
+ $obdo->{obdflags},
+ $obdo->{nlink},
+ $obdo->{valid},
+ $obdo->{inline},
+ $obdo->{obdmd},
+ 0, 0, # struct list_head
+ 0; # struct obd_ops
+}
+
+sub obdo_unpack {
+ my $buf = shift;
+ my $offset = shift;
+ my $obdo;
+ ($obdo->{id},
+ $obdo->{gr},
+ $obdo->{atime},
+ $obdo->{mtime},
+ $obdo->{ctime},
+ $obdo->{size},
+ $obdo->{blocks},
+ $obdo->{blksize},
+ $obdo->{mode},
+ $obdo->{uid},
+ $obdo->{gid},
+ $obdo->{flags},
+ $obdo->{obdflags},
+ $obdo->{nlink},
+ $obdo->{valid},
+ $obdo->{inline},
+ $obdo->{obdmd}) = unpack "x${offset}Lx4 Lx4 Lx4 Lx4 Lx4 Lx4 Lx4 L L L L L L L L a60 a64", $buf;
+ $obdo;
+}
+
+sub obdo_print {
+
+ my $obdo = shift;
+
+ printf "id: %d\ngrp: %d\natime: %s\nmtime: %s\nctime: %s\nsize: %d\nblocks: %d\nblksize: %d\nmode: %x\nuid: %d\ngid: %d\nflags: %x\nobdflags: %x\nnlink: %d\nvalid: %x\ninline: %s\nobdmd: %s\n",
+ $obdo->{id},
+ $obdo->{gr},
+ $obdo->{atime},
+ $obdo->{mtime},
+ $obdo->{ctime},
+ $obdo->{size},
+ $obdo->{blocks},
+ $obdo->{blksize},
+ $obdo->{mode},
+ $obdo->{uid},
+ $obdo->{gid},
+ $obdo->{flags},
+ $obdo->{obdflags},
+ $obdo->{nlink},
+ $obdo->{valid},
+ $obdo->{inline},
+ $obdo->{obdmd};
+}
+
+
my ($file);
GetOptions("f!" => \$file, "device=s" => \$::device, ) || die "Getoptions";
my %commands =
('device' => {func => "Device", doc => "device <dev>: open another OBD device"},
'create' => {func => "Create", doc => "create: creates a new inode"},
- 'attach' => {func => "Attach", doc => "attach { ext2_obd | snap_obd snapdev snapidx tableno | scsi_obd adapter bus tid lun" },
+ 'attach' => {func => "Attach", doc => "attach { ext2_obd | snap_obd snapdev snapidx tableno | scsi_obd adapter bus tid lun }" },
'detach' => {func => "Detach", doc => "detach this device"},
'testext2iterator' => {func => "TestExt2Iterator", doc => "test ext2 iterator function"},
'snapset' => {func => "SnapSetTable", doc => "snapset <tableno> <file>: set the table (created with snaptable) as table #tableno" },
sub Copy {
my $err = 0;
my $srcid = shift;
- my $tgtid = shift;
- my $data = pack("III", $::client_id, $srcid, $tgtid);
+ my $dstid = shift;
+
+ # Note: _copy IOCTL takes parameters as dst, src.
+ # Copy function takes parameters as src, dst.
+ my $data = pack("III", $::client_id, $dstid, $srcid);
my $datalen = 12;
my $packed = pack("ip", $datalen, $data);
sub Migrate {
my $err = 0;
my $srcid = shift;
- my $tgtid = shift;
- my $data = pack("III", $::client_id, $srcid, $tgtid);
+ my $dstid = shift;
+
+ # Note: _migr IOCTL takes parameters as dst, src.
+ # Migrate function takes parameters as src, dst.
+ my $data = pack("III", $::client_id, $dstid, $srcid);
my $datalen = 12;
my $packed = pack("ip", $datalen, $data);
}
# see Setattr
- my $packed = pack("ILsx2lLLLI", $::client_id, $inode, 0, 0, 0, 0, 0, 0, 0,
- 0);
+ my $obdo;
+ $obdo->{id} = $inode;
+ my $packed = pack("L", $::client_id) . obdo_pack($obdo);
my $rc = ioctl(DEV_OBD, &OBD_IOC_GETATTR, $packed);
+
if (!defined $rc) {
print STDERR "ioctl failed: $!\n";
} elsif ($rc eq "0 but true") {
- my ($valid, $mode, $uid, $gid, $size, $atime, $mtime, $ctime, $flags);
- ($valid, $mode, $uid, $gid, $size, $atime, $mtime, $ctime, $flags) =
- unpack("ISssx2lLLLI", $packed);
-
- printf("Inode: %d Mode: %o\n", $inode, $mode);
- printf("User: %6d Group: %6d Size: %d\n", $uid, $gid, $size);
- printf("ctime: %08lx -- %s\n", $ctime, scalar(gmtime($ctime)));
- printf("atime: %08lx -- %s\n", $atime, scalar(gmtime($atime)));
- printf("mtime: %08lx -- %s\n", $mtime, scalar(gmtime($mtime)));
- printf("flags: %08x\n", $flags);
- print "Finished (success)\n";
+ $obdo = obdo_unpack($packed, 4);
+ obdo_print($obdo);
} else {
print "ioctl returned error code $rc.\n";
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff