1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY btrfs-progs-download-http "https://www.kernel.org/pub/linux/kernel/people/kdave/btrfs-progs/btrfs-progs-v&btrfs-progs-version;.tar.xz">
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8 | <!ENTITY btrfs-progs-download-ftp " ">
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9 | <!ENTITY btrfs-progs-md5sum "51f907a15c60fd43a7e97a03b24928a1">
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10 | <!ENTITY btrfs-progs-size "1.3 MB">
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11 | <!ENTITY btrfs-progs-buildsize "45 MB">
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12 | <!ENTITY btrfs-progs-time "0.3 SBU">
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13 | <!--
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14 | <!ENTITY btrfs-progs-buildsize "46 MB (additional 1.4 GB fror tests)">
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15 | <!ENTITY btrfs-progs-time "0.3 SBU (additional 6.1 SBU for tests)">
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16 | -->
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17 | ]>
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18 |
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19 | <sect1 id="btrfs-progs" xreflabel="btrfs-progs-&btrfs-progs-version;">
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20 | <?dbhtml filename="btrfs-progs.html"?>
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21 |
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22 | <sect1info>
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23 | <othername>$LastChangedBy$</othername>
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24 | <date>$Date$</date>
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25 | </sect1info>
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26 |
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27 | <title>btrfs-progs-&btrfs-progs-version;</title>
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28 |
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29 | <indexterm zone="btrfs-progs">
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30 | <primary sortas="a-btrfs-progs">btrfs-progs</primary>
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31 | </indexterm>
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32 |
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33 | <sect2 role="package">
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34 | <title>Introduction to btrfs-progs</title>
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35 |
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36 | <para>The <application>btrfs-progs</application> package contains administration
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37 | and debugging tools for the B-tree file system (btrfs).</para>
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38 |
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39 | &lfs7a_checked;
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40 |
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41 | <bridgehead renderas="sect3">Package Information</bridgehead>
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42 | <itemizedlist spacing="compact">
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43 | <listitem>
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44 | <para>Download (HTTP): <ulink url="&btrfs-progs-download-http;"/></para>
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45 | </listitem>
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46 | <listitem>
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47 | <para>Download (FTP): <ulink url="&btrfs-progs-download-ftp;"/></para>
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48 | </listitem>
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49 | <listitem>
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50 | <para>Download MD5 sum: &btrfs-progs-md5sum;</para>
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51 | </listitem>
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52 | <listitem>
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53 | <para>Download size: &btrfs-progs-size;</para>
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54 | </listitem>
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55 | <listitem>
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56 | <para>Estimated disk space required: &btrfs-progs-buildsize;</para>
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57 | </listitem>
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58 | <listitem>
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59 | <para>Estimated build time: &btrfs-progs-time;</para>
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60 | </listitem>
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61 | </itemizedlist>
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62 |
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63 | <bridgehead renderas="sect3">Btrfs-progs Dependencies</bridgehead>
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64 |
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65 | <bridgehead renderas="sect4">Required</bridgehead>
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66 | <para role="required">
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67 | <xref linkend="lzo"/>
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68 | </para>
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69 |
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70 | <bridgehead renderas="sect4">Recommended</bridgehead>
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71 | <para role="recommended">
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72 | <xref linkend="asciidoc"/> and
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73 | <xref linkend="xmlto"/> (both required to generate man pages)
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74 | </para>
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75 |
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76 | <bridgehead renderas="sect4">Optional</bridgehead>
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77 | <para role="optional">
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78 | <xref linkend="lvm2"/> (<command>dmsetup</command> is used in tests)
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79 | </para>
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80 |
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81 | <para condition="html" role="usernotes">User Notes:
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82 | <ulink url="&blfs-wiki;/xfs"/></para>
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83 |
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84 | </sect2>
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85 |
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86 | <sect2 role="kernel" id="btrfs-progs-kernel">
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87 | <title>Kernel Configuration</title>
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88 |
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89 | <para>Enable the following option in the kernel configuration
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90 | and recompile the kernel:</para>
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91 |
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92 | <screen><literal>File systems --->
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93 | <*/M> Btrfs filesystem support [CONFIG_BTRFS_FS]</literal></screen>
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94 |
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95 | <note><para>Other Btrfs options in the kernel are optional.</para></note>
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96 |
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97 | <indexterm zone="btrfs-progs btrfs-progs-kernel">
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98 | <primary sortas="d-xfs">BTRFS Programs</primary>
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99 | </indexterm>
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100 |
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101 | </sect2>
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102 |
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103 | <sect2 role="installation">
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104 | <title>Installation of btrfs-progs</title>
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105 |
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106 | <para>Install <application>btrfs-progs</application> by running the following
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107 | commands:</para>
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108 |
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109 | <screen><userinput>sed -i '1,106 s/\.gz//g' Documentation/Makefile.in &&
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110 |
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111 | ./configure --prefix=/usr \
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112 | --bindir=/bin \
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113 | --libdir=/lib &&
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114 | make</userinput></screen>
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115 |
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116 | <!-- Theere is a broblem with the data for the 4.7.3 regression tests
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117 |
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118 | <para>To test the results, issue (as the <systemitem
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119 | class="username">root</systemitem> user): <command>make -k
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120 | test</command>.</para>-->
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121 |
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122 | <para>This package does not come with a working test suite.</para>
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123 |
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124 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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125 |
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126 | <screen role="root"><userinput>make install &&
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127 |
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128 | ln -sfv ../../lib/$(readlink /lib/libbtrfs.so) /usr/lib/libbtrfs.so &&
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129 | rm -v /lib/libbtrfs.{a,so}</userinput></screen>
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130 |
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131 | </sect2>
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132 |
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133 | <sect2 role="commands">
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134 | <title>Command Explanations</title>
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135 |
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136 | <para><command>sed ... Documentation/Makefile.in</command>: Disables
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137 | compressing man pages to be consistent with the rest of BLFS.</para>
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138 |
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139 | <para><option>--disable-documentation</option>: This option
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140 | is needed if the recommended dependencies are not installed.</para>
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141 |
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142 | <para><command>ln -s ... /usr/lib/libbtrfs.so</command>: Creates a
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143 | symbolic link in the directory where it is expected.</para>
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144 |
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145 | <para><command>rm /lib/libbtrfs.{a,so}</command>: Removes unneeded
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146 | library entries.</para>
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147 |
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148 | </sect2>
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149 |
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150 | <sect2 role="content">
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151 | <title>Contents</title>
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152 |
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153 | <segmentedlist>
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154 | <segtitle>Installed Programs</segtitle>
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155 | <segtitle>Installed Libraries</segtitle>
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156 | <segtitle>Installed Directories</segtitle>
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157 |
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158 | <seglistitem>
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159 | <seg>
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160 | btrfs,
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161 | btrfs-convert,
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162 | btrfs-debug-tree,
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163 | btrfs-find-root,
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164 | btrfs-image,
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165 | btrfs-map-logical,
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166 | btrfs-select-super,
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167 | btrfs-show-super,
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168 | btrfs-zero-log,
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169 | btrfsck (link to btrfs),
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170 | btrfstune,
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171 | fsck.btrfs, and
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172 | mkfs.btrfs
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173 | </seg>
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174 |
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175 | <seg>libbtrfs.so</seg>
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176 |
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177 | <seg>/usr/include/btrfs</seg>
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178 | </seglistitem>
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179 | </segmentedlist>
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180 |
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181 | <variablelist>
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182 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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183 | <?dbfo list-presentation="list"?>
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184 | <?dbhtml list-presentation="table"?>
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185 |
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186 | <varlistentry id="btrfs-prog">
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187 | <term><command>btrfs</command></term>
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188 | <listitem>
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189 | <para>
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190 | is the main interface into btrfs filesystem operations.
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191 | </para>
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192 | <indexterm zone="btrfs-progs btrfs-prog">
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193 | <primary sortas="b-btrfs">btrfs</primary>
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194 | </indexterm>
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195 | </listitem>
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196 | </varlistentry>
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197 |
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198 | <varlistentry id="btrfs-convert">
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199 | <term><command>btrfs-convert</command></term>
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200 | <listitem>
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201 | <para>
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202 | converts from ext2/3/4 filesystem to btrfs.
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203 | </para>
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204 | <indexterm zone="btrfs-progs btrfs-convert">
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205 | <primary sortas="b-btrfs-convert">btrfs-convert</primary>
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206 | </indexterm>
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207 | </listitem>
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208 | </varlistentry>
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209 |
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210 | <varlistentry id="btrfs-debug-tree">
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211 | <term><command>btrfs-debug-tree</command></term>
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212 | <listitem>
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213 | <para>
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214 | queries various internal information.
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215 | </para>
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216 | <indexterm zone="btrfs-progs btrfs-debug-tree">
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217 | <primary sortas="b-btrfs-debug-tree">btrfs-debug-tree</primary>
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218 | </indexterm>
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219 | </listitem>
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220 | </varlistentry>
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221 |
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222 | <varlistentry id="btrfs-find-root">
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223 | <term><command>btrfs-find-root</command></term>
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224 | <listitem>
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225 | <para>
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226 | is a filter to find btrfs root.
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227 | </para>
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228 | <indexterm zone="btrfs-progs btrfs-find-root">
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229 | <primary sortas="b-btrfs-find-root">btrfs-find-root</primary>
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230 | </indexterm>
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231 | </listitem>
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232 | </varlistentry>
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233 |
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234 | <varlistentry id="btrfs-map-logical">
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235 | <term><command>btrfs-map-logical</command></term>
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236 | <listitem>
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237 | <para>
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238 | maps btrfs logical extent to physical extent.
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239 | </para>
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240 | <indexterm zone="btrfs-progs btrfs-map-logical">
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241 | <primary sortas="b-btrfs-map-logical">btrfs-map-logical</primary>
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242 | </indexterm>
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243 | </listitem>
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244 | </varlistentry>
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245 |
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246 | <varlistentry id="btrfs-select-super">
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247 | <term><command>btrfs-select-super</command></term>
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248 | <listitem>
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249 | <para>
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250 | overwrites primary superblock with a backup copy.
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251 | </para>
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252 | <indexterm zone="btrfs-progs btrfs-select-super">
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253 | <primary sortas="b-btrfs-select-super">btrfs-select-super</primary>
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254 | </indexterm>
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255 | </listitem>
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256 | </varlistentry>
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257 |
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258 | <varlistentry id="btrfs-show-super">
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259 | <term><command>btrfs-show-super</command></term>
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260 | <listitem>
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261 | <para>
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262 | queries various internal information.
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263 | </para>
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264 | <indexterm zone="btrfs-progs btrfs-show-super">
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265 | <primary sortas="b-btrfs-show-super">btrfs-show-super</primary>
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266 | </indexterm>
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267 | </listitem>
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268 | </varlistentry>
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269 |
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270 | <varlistentry id="btrfs-zero-log">
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271 | <term><command>btrfs-zero-log</command></term>
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272 | <listitem>
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273 | <para>
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274 | recovers a damaged btrfs filesystem.
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275 | </para>
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276 | <indexterm zone="btrfs-progs btrfs-zero-log">
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277 | <primary sortas="b-btrfs-zero-log">btrfs-zero-log</primary>
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278 | </indexterm>
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279 | </listitem>
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280 | </varlistentry>
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281 |
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282 | <varlistentry id="btrfstune">
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283 | <term><command>btrfstune</command></term>
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284 | <listitem>
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285 | <para>
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286 | tunes various filesystem parameters.
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287 | </para>
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288 | <indexterm zone="btrfs-progs btrfstune">
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289 | <primary sortas="b-btrfstune">btrfstune</primary>
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290 | </indexterm>
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291 | </listitem>
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292 | </varlistentry>
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293 |
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294 | <varlistentry id="fsck.btrfs">
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295 | <term><command>fsck.btrfs</command></term>
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296 | <listitem>
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297 | <para>
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298 | does nothing, but is present for consistency with fstab.
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299 | </para>
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300 | <indexterm zone="btrfs-progs fsck.btrfs">
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301 | <primary sortas="b-fsck.btrfs">fsck.btrfs</primary>
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302 | </indexterm>
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303 | </listitem>
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304 | </varlistentry>
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305 |
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306 | <varlistentry id="mkfs.btrfs">
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307 | <term><command>mkfs.btrfs</command></term>
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308 | <listitem>
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309 | <para>creates a btrfs file system.</para>
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310 | <indexterm zone="btrfs-progs mkfs.btrfs">
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311 | <primary sortas="b-mkfs.btrfs">mkfs.btrfs</primary>
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312 | </indexterm>
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313 | </listitem>
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314 | </varlistentry>
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315 |
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316 | </variablelist>
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317 |
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318 | </sect2>
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319 |
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320 | </sect1>
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