€•Â&      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”Œ#/translations/zh_CN/filesystems/bfs”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$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ#/translations/zh_TW/filesystems/bfs”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ#/translations/it_IT/filesystems/bfs”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ#/translations/ja_JP/filesystems/bfs”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ#/translations/ko_KR/filesystems/bfs”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ#/translations/sp_SP/filesystems/bfs”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒcomment”“”)”}”(hŒ SPDX-License-Identifier: GPL-2.0”h]”hŒ SPDX-License-Identifier: GPL-2.0”…””}”hh£sbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1h¡hhhžhhŸŒ=/var/lib/git/docbuild/linux/Documentation/filesystems/bfs.rst”h KubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒBFS Filesystem for Linux”h]”hŒBFS Filesystem for Linux”…””}”(hh»hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hh¶hžhhŸh³h KubhŒ	paragraph”“”)”}”(hŒ The BFS filesystem is used by SCO UnixWare OS for the /stand slice, which
usually contains the kernel image and a few other files required for the
boot process.”h]”hŒ The BFS filesystem is used by SCO UnixWare OS for the /stand slice, which
usually contains the kernel image and a few other files required for the
boot process.”…””}”(hhËhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Khh¶hžhubhÊ)”}”(hX=  In order to access /stand partition under Linux you obviously need to
know the partition number and the kernel must support UnixWare disk slices
(CONFIG_UNIXWARE_DISKLABEL config option). However BFS support does not
depend on having UnixWare disklabel support because one can also mount
BFS filesystem via loopback::”h]”hX<  In order to access /stand partition under Linux you obviously need to
know the partition number and the kernel must support UnixWare disk slices
(CONFIG_UNIXWARE_DISKLABEL config option). However BFS support does not
depend on having UnixWare disklabel support because one can also mount
BFS filesystem via loopback:”…””}”(hhÙhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Khh¶hžhubhŒliteral_block”“”)”}”(hŒC# losetup /dev/loop0 stand.img
# mount -t bfs /dev/loop0 /mnt/stand”h]”hŒC# losetup /dev/loop0 stand.img
# mount -t bfs /dev/loop0 /mnt/stand”…””}”hhésbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1hçhŸh³h Khh¶hžhubhÊ)”}”(hŒ¡where stand.img is a file containing the image of BFS filesystem.
When you have finished using it and umounted you need to also deallocate
/dev/loop0 device by::”h]”hŒ where stand.img is a file containing the image of BFS filesystem.
When you have finished using it and umounted you need to also deallocate
/dev/loop0 device by:”…””}”(hh÷hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Khh¶hžhubhè)”}”(hŒ# losetup -d /dev/loop0”h]”hŒ# losetup -d /dev/loop0”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1hçhŸh³h Khh¶hžhubhÊ)”}”(hŒ*You can simplify mounting by just typing::”h]”hŒ)You can simplify mounting by just typing:”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Khh¶hžhubhè)”}”(hŒ+# mount -t bfs -o loop stand.img /mnt/stand”h]”hŒ+# mount -t bfs -o loop stand.img /mnt/stand”…””}”hj!  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1hçhŸh³h Khh¶hžhubhÊ)”}”(hXÚ  this will allocate the first available loopback device (and load loop.o
kernel module if necessary) automatically. If the loopback driver is not
loaded automatically, make sure that you have compiled the module and
that modprobe is functioning. Beware that umount will not deallocate
/dev/loopN device if /etc/mtab file on your system is a symbolic link to
/proc/mounts. You will need to do it manually using "-d" switch of
losetup(8). Read losetup(8) manpage for more info.”h]”hXÞ  this will allocate the first available loopback device (and load loop.o
kernel module if necessary) automatically. If the loopback driver is not
loaded automatically, make sure that you have compiled the module and
that modprobe is functioning. Beware that umount will not deallocate
/dev/loopN device if /etc/mtab file on your system is a symbolic link to
/proc/mounts. You will need to do it manually using â€œ-dâ€ switch of
losetup(8). Read losetup(8) manpage for more info.”…””}”(hj/  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Khh¶hžhubhÊ)”}”(hŒƒTo create the BFS image under UnixWare you need to find out first which
slice contains it. The command prtvtoc(1M) is your friend::”h]”hŒ‚To create the BFS image under UnixWare you need to find out first which
slice contains it. The command prtvtoc(1M) is your friend:”…””}”(hj=  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K&hh¶hžhubhè)”}”(hŒ# prtvtoc /dev/rdsk/c0b0t0d0s0”h]”hŒ# prtvtoc /dev/rdsk/c0b0t0d0s0”…””}”hjK  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1hçhŸh³h K)hh¶hžhubhÊ)”}”(hŒÐ(assuming your root disk is on target=0, lun=0, bus=0, controller=0). Then you
look for the slice with tag "STAND", which is usually slice 10. With this
information you can use dd(1) to create the BFS image::”h]”hŒÓ(assuming your root disk is on target=0, lun=0, bus=0, controller=0). Then you
look for the slice with tag â€œSTANDâ€, which is usually slice 10. With this
information you can use dd(1) to create the BFS image:”…””}”(hjY  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K+hh¶hžhubhè)”}”(hŒ@# umount /stand
# dd if=/dev/rdsk/c0b0t0d0sa of=stand.img bs=512”h]”hŒ@# umount /stand
# dd if=/dev/rdsk/c0b0t0d0sa of=stand.img bs=512”…””}”hjg  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1hçhŸh³h K/hh¶hžhubhÊ)”}”(hŒ^Just in case, you can verify that you have done the right thing by checking
the magic number::”h]”hŒ]Just in case, you can verify that you have done the right thing by checking
the magic number:”…””}”(hju  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K2hh¶hžhubhè)”}”(hŒ# od -Ad -tx4 stand.img | more”h]”hŒ# od -Ad -tx4 stand.img | more”…””}”hjƒ  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1hçhŸh³h K5hh¶hžhubhÊ)”}”(hŒ'The first 4 bytes should be 0x1badface.”h]”hŒ'The first 4 bytes should be 0x1badface.”…””}”(hj‘  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K7hh¶hžhubhÊ)”}”(hŒnIf you have any patches, questions or suggestions regarding this BFS
implementation please contact the author:”h]”hŒnIf you have any patches, questions or suggestions regarding this BFS
implementation please contact the author:”…””}”(hjŸ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K9hh¶hžhubhÊ)”}”(hŒ+Tigran Aivazian <aivazian.tigran@gmail.com>”h]”(hŒTigran Aivazian <”…””}”(hj­  hžhhŸNh NubhŒ	reference”“”)”}”(hŒaivazian.tigran@gmail.com”h]”hŒaivazian.tigran@gmail.com”…””}”(hj·  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œ mailto:aivazian.tigran@gmail.com”uh1jµ  hj­  ubhŒ>”…””}”(hj­  hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K<hh¶hžhubeh}”(h]”Œbfs-filesystem-for-linux”ah ]”h"]”Œbfs filesystem for linux”ah$]”h&]”uh1h´hhhžhhŸh³h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h³uh1hŒcurrent_source”NŒcurrent_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¹NŒ	generator”NŒ	datestamp”NŒsource_link”NŒ
source_url”NŒtoc_backlinks”Œentry”Œfootnote_backlinks”KŒsectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒstrip_classes”NŒreport_level”KŒ
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”jü  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”h³Œ_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”}”jÖ  jÓ  sŒ	nametypes”}”jÖ  ‰sh}”jÓ  h¶sŒ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
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