| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
|
|---|
| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
|
|---|
| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
|
|---|
| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
|
|---|
| 5 | %general-entities;
|
|---|
| 6 |
|
|---|
| 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">
|
|---|
| 8 | <!ENTITY btrfs-progs-download-ftp " ">
|
|---|
| 9 | <!ENTITY btrfs-progs-md5sum "903f87886a7810a6819e8db915e4ec29">
|
|---|
| 10 | <!ENTITY btrfs-progs-size "1.3 MB">
|
|---|
| 11 | <!ENTITY btrfs-progs-buildsize "45 MB">
|
|---|
| 12 | <!ENTITY btrfs-progs-time "0.3 SBU">
|
|---|
| 13 | <!--
|
|---|
| 14 | <!ENTITY btrfs-progs-buildsize "46 MB (additional 1.4 GB fror tests)">
|
|---|
| 15 | <!ENTITY btrfs-progs-time "0.3 SBU (additional 6.1 SBU for tests)">
|
|---|
| 16 | -->
|
|---|
| 17 | ]>
|
|---|
| 18 |
|
|---|
| 19 | <sect1 id="btrfs-progs" xreflabel="btrfs-progs-&btrfs-progs-version;">
|
|---|
| 20 | <?dbhtml filename="btrfs-progs.html"?>
|
|---|
| 21 |
|
|---|
| 22 | <sect1info>
|
|---|
| 23 | <othername>$LastChangedBy$</othername>
|
|---|
| 24 | <date>$Date$</date>
|
|---|
| 25 | </sect1info>
|
|---|
| 26 |
|
|---|
| 27 | <title>btrfs-progs-&btrfs-progs-version;</title>
|
|---|
| 28 |
|
|---|
| 29 | <indexterm zone="btrfs-progs">
|
|---|
| 30 | <primary sortas="a-btrfs-progs">btrfs-progs</primary>
|
|---|
| 31 | </indexterm>
|
|---|
| 32 |
|
|---|
| 33 | <sect2 role="package">
|
|---|
| 34 | <title>Introduction to btrfs-progs</title>
|
|---|
| 35 |
|
|---|
| 36 | <para>The <application>btrfs-progs</application> package contains administration
|
|---|
| 37 | and debugging tools for the B-tree file system (btrfs).</para>
|
|---|
| 38 |
|
|---|
| 39 | &lfs7a_checked;
|
|---|
| 40 |
|
|---|
| 41 | <bridgehead renderas="sect3">Package Information</bridgehead>
|
|---|
| 42 | <itemizedlist spacing="compact">
|
|---|
| 43 | <listitem>
|
|---|
| 44 | <para>Download (HTTP): <ulink url="&btrfs-progs-download-http;"/></para>
|
|---|
| 45 | </listitem>
|
|---|
| 46 | <listitem>
|
|---|
| 47 | <para>Download (FTP): <ulink url="&btrfs-progs-download-ftp;"/></para>
|
|---|
| 48 | </listitem>
|
|---|
| 49 | <listitem>
|
|---|
| 50 | <para>Download MD5 sum: &btrfs-progs-md5sum;</para>
|
|---|
| 51 | </listitem>
|
|---|
| 52 | <listitem>
|
|---|
| 53 | <para>Download size: &btrfs-progs-size;</para>
|
|---|
| 54 | </listitem>
|
|---|
| 55 | <listitem>
|
|---|
| 56 | <para>Estimated disk space required: &btrfs-progs-buildsize;</para>
|
|---|
| 57 | </listitem>
|
|---|
| 58 | <listitem>
|
|---|
| 59 | <para>Estimated build time: &btrfs-progs-time;</para>
|
|---|
| 60 | </listitem>
|
|---|
| 61 | </itemizedlist>
|
|---|
| 62 |
|
|---|
| 63 | <bridgehead renderas="sect3">Btrfs-progs Dependencies</bridgehead>
|
|---|
| 64 |
|
|---|
| 65 | <bridgehead renderas="sect4">Required</bridgehead>
|
|---|
| 66 | <para role="required">
|
|---|
| 67 | <xref linkend="lzo"/>
|
|---|
| 68 | </para>
|
|---|
| 69 |
|
|---|
| 70 | <bridgehead renderas="sect4">Recommended</bridgehead>
|
|---|
| 71 | <para role="recommended">
|
|---|
| 72 | <xref linkend="asciidoc"/> and
|
|---|
| 73 | <xref linkend="xmlto"/> (both required to generate man pages)
|
|---|
| 74 | </para>
|
|---|
| 75 |
|
|---|
| 76 | <bridgehead renderas="sect4">Optional</bridgehead>
|
|---|
| 77 | <para role="optional">
|
|---|
| 78 | <xref linkend="lvm2"/> (<command>dmsetup</command> is used in tests)
|
|---|
| 79 | </para>
|
|---|
| 80 |
|
|---|
| 81 | <para condition="html" role="usernotes">User Notes:
|
|---|
| 82 | <ulink url="&blfs-wiki;/xfs"/></para>
|
|---|
| 83 |
|
|---|
| 84 | </sect2>
|
|---|
| 85 |
|
|---|
| 86 | <sect2 role="kernel" id="btrfs-progs-kernel">
|
|---|
| 87 | <title>Kernel Configuration</title>
|
|---|
| 88 |
|
|---|
| 89 | <para>Enable the following option in the kernel configuration
|
|---|
| 90 | and recompile the kernel:</para>
|
|---|
| 91 |
|
|---|
| 92 | <screen><literal>File systems --->
|
|---|
| 93 | <*/M> Btrfs filesystem support [CONFIG_BTRFS_FS]</literal></screen>
|
|---|
| 94 |
|
|---|
| 95 | <note><para>Other Btrfs options in the kernel are optional.</para></note>
|
|---|
| 96 |
|
|---|
| 97 | <indexterm zone="btrfs-progs btrfs-progs-kernel">
|
|---|
| 98 | <primary sortas="d-xfs">BTRFS Programs</primary>
|
|---|
| 99 | </indexterm>
|
|---|
| 100 |
|
|---|
| 101 | </sect2>
|
|---|
| 102 |
|
|---|
| 103 | <sect2 role="installation">
|
|---|
| 104 | <title>Installation of btrfs-progs</title>
|
|---|
| 105 |
|
|---|
| 106 | <para>Install <application>btrfs-progs</application> by running the following
|
|---|
| 107 | commands:</para>
|
|---|
| 108 |
|
|---|
| 109 | <screen><userinput>sed -i '1,106 s/\.gz//g' Documentation/Makefile.in &&
|
|---|
| 110 |
|
|---|
| 111 | ./configure --prefix=/usr \
|
|---|
| 112 | --bindir=/bin \
|
|---|
| 113 | --libdir=/lib &&
|
|---|
| 114 | make</userinput></screen>
|
|---|
| 115 |
|
|---|
| 116 | <!-- There is a problem with the regression tests - there are
|
|---|
| 117 | errors in the test code that cause an infinite hang.
|
|---|
| 118 | The errors have been reported upstream.
|
|---|
| 119 |
|
|---|
| 120 | <para>To test the results, issue (as the <systemitem
|
|---|
| 121 | class="username">root</systemitem> user): <command>make -k
|
|---|
| 122 | test</command>.</para>-->
|
|---|
| 123 |
|
|---|
| 124 | <para>This package does not come with a working test suite.</para>
|
|---|
| 125 |
|
|---|
| 126 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
|
|---|
| 127 |
|
|---|
| 128 | <screen role="root"><userinput>make install &&
|
|---|
| 129 |
|
|---|
| 130 | ln -sfv ../../lib/$(readlink /lib/libbtrfs.so) /usr/lib/libbtrfs.so &&
|
|---|
| 131 | rm -v /lib/libbtrfs.{a,so}</userinput></screen>
|
|---|
| 132 |
|
|---|
| 133 | </sect2>
|
|---|
| 134 |
|
|---|
| 135 | <sect2 role="commands">
|
|---|
| 136 | <title>Command Explanations</title>
|
|---|
| 137 |
|
|---|
| 138 | <para><command>sed ... Documentation/Makefile.in</command>: Disables
|
|---|
| 139 | compressing man pages to be consistent with the rest of BLFS.</para>
|
|---|
| 140 |
|
|---|
| 141 | <para><option>--disable-documentation</option>: This option
|
|---|
| 142 | is needed if the recommended dependencies are not installed.</para>
|
|---|
| 143 |
|
|---|
| 144 | <para><command>ln -s ... /usr/lib/libbtrfs.so</command>: Creates a
|
|---|
| 145 | symbolic link in the directory where it is expected.</para>
|
|---|
| 146 |
|
|---|
| 147 | <para><command>rm /lib/libbtrfs.{a,so}</command>: Removes unneeded
|
|---|
| 148 | library entries.</para>
|
|---|
| 149 |
|
|---|
| 150 | </sect2>
|
|---|
| 151 |
|
|---|
| 152 | <sect2 role="content">
|
|---|
| 153 | <title>Contents</title>
|
|---|
| 154 |
|
|---|
| 155 | <segmentedlist>
|
|---|
| 156 | <segtitle>Installed Programs</segtitle>
|
|---|
| 157 | <segtitle>Installed Libraries</segtitle>
|
|---|
| 158 | <segtitle>Installed Directories</segtitle>
|
|---|
| 159 |
|
|---|
| 160 | <seglistitem>
|
|---|
| 161 | <seg>
|
|---|
| 162 | btrfs,
|
|---|
| 163 | btrfs-convert,
|
|---|
| 164 | btrfs-debug-tree,
|
|---|
| 165 | btrfs-find-root,
|
|---|
| 166 | btrfs-image,
|
|---|
| 167 | btrfs-map-logical,
|
|---|
| 168 | btrfs-select-super,
|
|---|
| 169 | btrfs-show-super,
|
|---|
| 170 | btrfs-zero-log,
|
|---|
| 171 | btrfsck (link to btrfs),
|
|---|
| 172 | btrfstune,
|
|---|
| 173 | fsck.btrfs, and
|
|---|
| 174 | mkfs.btrfs
|
|---|
| 175 | </seg>
|
|---|
| 176 |
|
|---|
| 177 | <seg>libbtrfs.so</seg>
|
|---|
| 178 |
|
|---|
| 179 | <seg>/usr/include/btrfs</seg>
|
|---|
| 180 | </seglistitem>
|
|---|
| 181 | </segmentedlist>
|
|---|
| 182 |
|
|---|
| 183 | <variablelist>
|
|---|
| 184 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
|---|
| 185 | <?dbfo list-presentation="list"?>
|
|---|
| 186 | <?dbhtml list-presentation="table"?>
|
|---|
| 187 |
|
|---|
| 188 | <varlistentry id="btrfs-prog">
|
|---|
| 189 | <term><command>btrfs</command></term>
|
|---|
| 190 | <listitem>
|
|---|
| 191 | <para>
|
|---|
| 192 | is the main interface into btrfs filesystem operations.
|
|---|
| 193 | </para>
|
|---|
| 194 | <indexterm zone="btrfs-progs btrfs-prog">
|
|---|
| 195 | <primary sortas="b-btrfs">btrfs</primary>
|
|---|
| 196 | </indexterm>
|
|---|
| 197 | </listitem>
|
|---|
| 198 | </varlistentry>
|
|---|
| 199 |
|
|---|
| 200 | <varlistentry id="btrfs-convert">
|
|---|
| 201 | <term><command>btrfs-convert</command></term>
|
|---|
| 202 | <listitem>
|
|---|
| 203 | <para>
|
|---|
| 204 | converts from ext2/3/4 filesystem to btrfs.
|
|---|
| 205 | </para>
|
|---|
| 206 | <indexterm zone="btrfs-progs btrfs-convert">
|
|---|
| 207 | <primary sortas="b-btrfs-convert">btrfs-convert</primary>
|
|---|
| 208 | </indexterm>
|
|---|
| 209 | </listitem>
|
|---|
| 210 | </varlistentry>
|
|---|
| 211 |
|
|---|
| 212 | <varlistentry id="btrfs-debug-tree">
|
|---|
| 213 | <term><command>btrfs-debug-tree</command></term>
|
|---|
| 214 | <listitem>
|
|---|
| 215 | <para>
|
|---|
| 216 | queries various internal information.
|
|---|
| 217 | </para>
|
|---|
| 218 | <indexterm zone="btrfs-progs btrfs-debug-tree">
|
|---|
| 219 | <primary sortas="b-btrfs-debug-tree">btrfs-debug-tree</primary>
|
|---|
| 220 | </indexterm>
|
|---|
| 221 | </listitem>
|
|---|
| 222 | </varlistentry>
|
|---|
| 223 |
|
|---|
| 224 | <varlistentry id="btrfs-find-root">
|
|---|
| 225 | <term><command>btrfs-find-root</command></term>
|
|---|
| 226 | <listitem>
|
|---|
| 227 | <para>
|
|---|
| 228 | is a filter to find btrfs root.
|
|---|
| 229 | </para>
|
|---|
| 230 | <indexterm zone="btrfs-progs btrfs-find-root">
|
|---|
| 231 | <primary sortas="b-btrfs-find-root">btrfs-find-root</primary>
|
|---|
| 232 | </indexterm>
|
|---|
| 233 | </listitem>
|
|---|
| 234 | </varlistentry>
|
|---|
| 235 |
|
|---|
| 236 | <varlistentry id="btrfs-map-logical">
|
|---|
| 237 | <term><command>btrfs-map-logical</command></term>
|
|---|
| 238 | <listitem>
|
|---|
| 239 | <para>
|
|---|
| 240 | maps btrfs logical extent to physical extent.
|
|---|
| 241 | </para>
|
|---|
| 242 | <indexterm zone="btrfs-progs btrfs-map-logical">
|
|---|
| 243 | <primary sortas="b-btrfs-map-logical">btrfs-map-logical</primary>
|
|---|
| 244 | </indexterm>
|
|---|
| 245 | </listitem>
|
|---|
| 246 | </varlistentry>
|
|---|
| 247 |
|
|---|
| 248 | <varlistentry id="btrfs-select-super">
|
|---|
| 249 | <term><command>btrfs-select-super</command></term>
|
|---|
| 250 | <listitem>
|
|---|
| 251 | <para>
|
|---|
| 252 | overwrites primary superblock with a backup copy.
|
|---|
| 253 | </para>
|
|---|
| 254 | <indexterm zone="btrfs-progs btrfs-select-super">
|
|---|
| 255 | <primary sortas="b-btrfs-select-super">btrfs-select-super</primary>
|
|---|
| 256 | </indexterm>
|
|---|
| 257 | </listitem>
|
|---|
| 258 | </varlistentry>
|
|---|
| 259 |
|
|---|
| 260 | <varlistentry id="btrfs-show-super">
|
|---|
| 261 | <term><command>btrfs-show-super</command></term>
|
|---|
| 262 | <listitem>
|
|---|
| 263 | <para>
|
|---|
| 264 | queries various internal information.
|
|---|
| 265 | </para>
|
|---|
| 266 | <indexterm zone="btrfs-progs btrfs-show-super">
|
|---|
| 267 | <primary sortas="b-btrfs-show-super">btrfs-show-super</primary>
|
|---|
| 268 | </indexterm>
|
|---|
| 269 | </listitem>
|
|---|
| 270 | </varlistentry>
|
|---|
| 271 |
|
|---|
| 272 | <varlistentry id="btrfs-zero-log">
|
|---|
| 273 | <term><command>btrfs-zero-log</command></term>
|
|---|
| 274 | <listitem>
|
|---|
| 275 | <para>
|
|---|
| 276 | recovers a damaged btrfs filesystem.
|
|---|
| 277 | </para>
|
|---|
| 278 | <indexterm zone="btrfs-progs btrfs-zero-log">
|
|---|
| 279 | <primary sortas="b-btrfs-zero-log">btrfs-zero-log</primary>
|
|---|
| 280 | </indexterm>
|
|---|
| 281 | </listitem>
|
|---|
| 282 | </varlistentry>
|
|---|
| 283 |
|
|---|
| 284 | <varlistentry id="btrfstune">
|
|---|
| 285 | <term><command>btrfstune</command></term>
|
|---|
| 286 | <listitem>
|
|---|
| 287 | <para>
|
|---|
| 288 | tunes various filesystem parameters.
|
|---|
| 289 | </para>
|
|---|
| 290 | <indexterm zone="btrfs-progs btrfstune">
|
|---|
| 291 | <primary sortas="b-btrfstune">btrfstune</primary>
|
|---|
| 292 | </indexterm>
|
|---|
| 293 | </listitem>
|
|---|
| 294 | </varlistentry>
|
|---|
| 295 |
|
|---|
| 296 | <varlistentry id="fsck.btrfs">
|
|---|
| 297 | <term><command>fsck.btrfs</command></term>
|
|---|
| 298 | <listitem>
|
|---|
| 299 | <para>
|
|---|
| 300 | does nothing, but is present for consistency with fstab.
|
|---|
| 301 | </para>
|
|---|
| 302 | <indexterm zone="btrfs-progs fsck.btrfs">
|
|---|
| 303 | <primary sortas="b-fsck.btrfs">fsck.btrfs</primary>
|
|---|
| 304 | </indexterm>
|
|---|
| 305 | </listitem>
|
|---|
| 306 | </varlistentry>
|
|---|
| 307 |
|
|---|
| 308 | <varlistentry id="mkfs.btrfs">
|
|---|
| 309 | <term><command>mkfs.btrfs</command></term>
|
|---|
| 310 | <listitem>
|
|---|
| 311 | <para>creates a btrfs file system.</para>
|
|---|
| 312 | <indexterm zone="btrfs-progs mkfs.btrfs">
|
|---|
| 313 | <primary sortas="b-mkfs.btrfs">mkfs.btrfs</primary>
|
|---|
| 314 | </indexterm>
|
|---|
| 315 | </listitem>
|
|---|
| 316 | </varlistentry>
|
|---|
| 317 |
|
|---|
| 318 | </variablelist>
|
|---|
| 319 |
|
|---|
| 320 | </sect2>
|
|---|
| 321 |
|
|---|
| 322 | </sect1>
|
|---|
