€•e"      Œsphinx.addnodes”Œdocument”“”)”}”(Œ	rawsource”Œ ”Œchildren”]”(Œtranslations”ŒLanguagesNode”“”)”}”(hhh]”(h Œpending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ
attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ	refdomain”Œstd”Œreftype”Œdoc”Œ	reftarget”Œ4/translations/zh_CN/admin-guide/device-mapper/linear”Œmodname”NŒ	classname”NŒrefexplicit”ˆuŒtagname”hhhubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ4/translations/zh_TW/admin-guide/device-mapper/linear”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ4/translations/it_IT/admin-guide/device-mapper/linear”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ4/translations/ja_JP/admin-guide/device-mapper/linear”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ4/translations/ko_KR/admin-guide/device-mapper/linear”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒPortuguese (Brazilian)”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ4/translations/pt_BR/admin-guide/device-mapper/linear”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh–sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ4/translations/sp_SP/admin-guide/device-mapper/linear”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒ	dm-linear”h]”hŒ	dm-linear”…””}”(hh¼h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhh·h²hh³ŒN/var/lib/git/docbuild/linux/Documentation/admin-guide/device-mapper/linear.rst”h´KubhŒ	paragraph”“”)”}”(hŒ´Device-Mapper's "linear" target maps a linear range of the Device-Mapper
device onto a linear range of another device.  This is the basic building
block of logical volume managers.”h]”hŒºDevice-Mapperâ€™s â€œlinearâ€ target maps a linear range of the Device-Mapper
device onto a linear range of another device.  This is the basic building
block of logical volume managers.”…””}”(hhÍh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khh·h²hubhŒdefinition_list”“”)”}”(hhh]”hŒdefinition_list_item”“”)”}”(hŒ¶Parameters: <dev path> <offset>
<dev path>:
    Full pathname to the underlying block-device, or a
    "major:minor" device-number.
<offset>:
    Starting sector within the device.

”h]”(hŒterm”“”)”}”(hŒParameters: <dev path> <offset>”h]”hŒParameters: <dev path> <offset>”…””}”(hhèh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hæh³hÊh´KhhâubhŒ
definition”“”)”}”(hhh]”hÜ)”}”(hhh]”(há)”}”(hŒ[<dev path>:
Full pathname to the underlying block-device, or a
"major:minor" device-number.”h]”(hç)”}”(hŒ<dev path>:”h]”hŒ<dev path>:”…””}”(hj  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hæh³hÊh´Khhþubh÷)”}”(hhh]”hÌ)”}”(hŒOFull pathname to the underlying block-device, or a
"major:minor" device-number.”h]”hŒSFull pathname to the underlying block-device, or a
â€œmajor:minorâ€ device-number.”…””}”(hj  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1höhhþubeh}”(h]”h ]”h"]”h$]”h&]”uh1hàh³hÊh´Khhûubhá)”}”(hŒ.<offset>:
Starting sector within the device.

”h]”(hç)”}”(hŒ	<offset>:”h]”hŒ	<offset>:”…””}”(hj1  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hæh³hÊh´Khj-  ubh÷)”}”(hhh]”hÌ)”}”(hŒ"Starting sector within the device.”h]”hŒ"Starting sector within the device.”…””}”(hjB  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khj?  ubah}”(h]”h ]”h"]”h$]”h&]”uh1höhj-  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hàh³hÊh´Khhûubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÛhhøubah}”(h]”h ]”h"]”h$]”h&]”uh1höhhâubeh}”(h]”h ]”h"]”h$]”h&]”uh1hàh³hÊh´KhhÝubah}”(h]”h ]”h"]”h$]”h&]”uh1hÛhh·h²hh³Nh´Nubh¶)”}”(hhh]”(h»)”}”(hŒExample scripts”h]”hŒExample scripts”…””}”(hjw  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhjt  h²hh³hÊh´KubhŒliteral_block”“”)”}”(hŒx#!/bin/sh
# Create an identity mapping for a device
echo "0 `blockdev --getsz $1` linear $1 0" | dmsetup create identity”h]”hŒx#!/bin/sh
# Create an identity mapping for a device
echo "0 `blockdev --getsz $1` linear $1 0" | dmsetup create identity”…””}”hj‡  sbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1j…  h³hÊh´Khjt  h²hubj†  )”}”(hŒ©#!/bin/sh
# Join 2 devices together
size1=`blockdev --getsz $1`
size2=`blockdev --getsz $2`
echo "0 $size1 linear $1 0
$size1 $size2 linear $2 0" | dmsetup create joined”h]”hŒ©#!/bin/sh
# Join 2 devices together
size1=`blockdev --getsz $1`
size2=`blockdev --getsz $2`
echo "0 $size1 linear $1 0
$size1 $size2 linear $2 0" | dmsetup create joined”…””}”hj—  sbah}”(h]”h ]”h"]”h$]”h&]”j•  j–  uh1j…  h³hÊh´Khjt  h²hubj†  )”}”(hX±  #!/usr/bin/perl -w
# Split a device into 4M chunks and then join them together in reverse order.

my $name = "reverse";
my $extent_size = 4 * 1024 * 2;
my $dev = $ARGV[0];
my $table = "";
my $count = 0;

if (!defined($dev)) {
        die("Please specify a device.\n");
}

my $dev_size = `blockdev --getsz $dev`;
my $extents = int($dev_size / $extent_size) -
              (($dev_size % $extent_size) ? 1 : 0);

while ($extents > 0) {
        my $this_start = $count * $extent_size;
        $extents--;
        $count++;
        my $this_offset = $extents * $extent_size;

        $table .= "$this_start $extent_size linear $dev $this_offset\n";
}

`echo \"$table\" | dmsetup create $name`;”h]”hX±  #!/usr/bin/perl -w
# Split a device into 4M chunks and then join them together in reverse order.

my $name = "reverse";
my $extent_size = 4 * 1024 * 2;
my $dev = $ARGV[0];
my $table = "";
my $count = 0;

if (!defined($dev)) {
        die("Please specify a device.\n");
}

my $dev_size = `blockdev --getsz $dev`;
my $extents = int($dev_size / $extent_size) -
              (($dev_size % $extent_size) ? 1 : 0);

while ($extents > 0) {
        my $this_start = $count * $extent_size;
        $extents--;
        $count++;
        my $this_offset = $extents * $extent_size;

        $table .= "$this_start $extent_size linear $dev $this_offset\n";
}

`echo \"$table\" | dmsetup create $name`;”…””}”hj¥  sbah}”(h]”h ]”h"]”h$]”h&]”j•  j–  uh1j…  h³hÊh´K%hjt  h²hubeh}”(h]”Œexample-scripts”ah ]”h"]”Œexample scripts”ah$]”h&]”uh1hµhh·h²hh³hÊh´Kubeh}”(h]”Œ	dm-linear”ah ]”h"]”Œ	dm-linear”ah$]”h&]”uh1hµhhh²hh³hÊh´Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”hÊuh1hŒcurrent_source”NŒcurrent_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(hºNŒ	generator”NŒ	datestamp”NŒsource_link”NŒ
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halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ	traceback”ˆŒinput_encoding”Œ	utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”jæ  Œerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œlanguage_code”Œen”Œrecord_dependencies”NŒconfig”NŒ	id_prefix”hŒauto_id_prefix”Œid”Œdump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”hÊŒ_destination”NŒ_config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒraw_enabled”KŒline_length_limit”M'Œpep_references”NŒpep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒrfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ	tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œsmart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œdocinfo_xform”KŒsectsubtitle_xform”‰Œimage_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”Œnameids”}”(jÀ  j½  j¸  jµ  uŒ	nametypes”}”(jÀ  ‰j¸  ‰uh}”(j½  h·jµ  jt  uŒfootnote_refs”}”Œcitation_refs”}”Œautofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ	footnotes”]”Œ	citations”]”Œautofootnote_start”KŒsymbol_footnote_start”K Œ
id_counter”Œcollections”ŒCounter”“”}”…”R”Œparse_messages”]”Œtransform_messages”]”Œtransformer”NŒinclude_log”]”Œ
decoration”Nh²hub.