Note that UFS1 superblock changes may cause compatability problems
with older 4.X (for example, the case of a dual-booting machine). While here, spell "Soft Updates" consistently (and hopefully correctly). Approved by: re (implicitly)
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@ -1468,16 +1468,16 @@ options HZ=1000 # not compulsory but strongly recommended</programlisting>
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<filename>/usr/src/sys/ufs/ufs/README.extattr</filename> for
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details).</para>
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<para role="historic">Due to a licensing change, softupdates have been
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<para role="historic">Due to a licensing change, Soft Updates have been
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integrated into the main portion of the kernel source tree.
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As a consequence, softupdates are now available with the
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As a consequence, Soft Updates are now available with the
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<filename>GENERIC</filename> kernel. &merged;</para>
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<para>A filesystem snapshot capability has been added to FFS.
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Details can be found in
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<filename>/usr/src/sys/ufs/ffs/README.snapshot</filename>.</para>
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<para>When running with softupdates, &man.statfs.2; and
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<para>When running with Soft Updates, &man.statfs.2; and
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&man.df.1; will track the number of blocks and files that are
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committed to being freed.</para>
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@ -1604,6 +1604,16 @@ options HZ=1000 # not compulsory but strongly recommended</programlisting>
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screen in &man.sysinstall.8;. 64-bit platforms can boot from
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UFS2 root filesystems.</para>
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<para>To support new features mentioned in this section, minor
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changes have been made to the format of the UFS1 superblock.
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These changes may create some compatability problems when a
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system older than &os; 4.7-RELEASE attempts to &man.mount.8;
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or &man.fsck.8; a local UFS1 filesystem created by &os;
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&release.current; or later. &os; 4.7-RELEASE and later are
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fully compatible. This situation typically arises on a
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dual-boot machine with multiple versions of &os;
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installed.</para>
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</sect3>
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<sect3>
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@ -2621,7 +2631,7 @@ options HZ=1000 # not compulsory but strongly recommended</programlisting>
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<para>&man.fsck.ffs.8; now supports background filesystem checks
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to mounted FFS filesystems with the <option>-B</option> option
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(softupdates must be enabled on these filesystems). The
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(Soft Updates must be enabled on these filesystems). The
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<option>-F</option> flag now determines whether a specified
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filesystem needs foreground checking.</para>
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@ -3092,7 +3102,7 @@ options HZ=1000 # not compulsory but strongly recommended</programlisting>
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faster. &merged;</para>
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<para role="historic">&man.newfs.8; now takes a <option>-U</option> option to
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enable softupdates on a new filesystem. &merged;</para>
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enable Soft Updates on a new filesystem. &merged;</para>
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<para role="historic">The default number of cylinders per group in &man.newfs.8;
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is now computed to be the maximum allowable given the current
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@ -1468,16 +1468,16 @@ options HZ=1000 # not compulsory but strongly recommended</programlisting>
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<filename>/usr/src/sys/ufs/ufs/README.extattr</filename> for
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details).</para>
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<para role="historic">Due to a licensing change, softupdates have been
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<para role="historic">Due to a licensing change, Soft Updates have been
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integrated into the main portion of the kernel source tree.
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As a consequence, softupdates are now available with the
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As a consequence, Soft Updates are now available with the
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<filename>GENERIC</filename> kernel. &merged;</para>
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<para>A filesystem snapshot capability has been added to FFS.
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Details can be found in
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<filename>/usr/src/sys/ufs/ffs/README.snapshot</filename>.</para>
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<para>When running with softupdates, &man.statfs.2; and
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<para>When running with Soft Updates, &man.statfs.2; and
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&man.df.1; will track the number of blocks and files that are
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committed to being freed.</para>
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@ -1604,6 +1604,16 @@ options HZ=1000 # not compulsory but strongly recommended</programlisting>
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screen in &man.sysinstall.8;. 64-bit platforms can boot from
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UFS2 root filesystems.</para>
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<para>To support new features mentioned in this section, minor
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changes have been made to the format of the UFS1 superblock.
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These changes may create some compatability problems when a
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system older than &os; 4.7-RELEASE attempts to &man.mount.8;
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or &man.fsck.8; a local UFS1 filesystem created by &os;
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&release.current; or later. &os; 4.7-RELEASE and later are
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fully compatible. This situation typically arises on a
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dual-boot machine with multiple versions of &os;
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installed.</para>
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</sect3>
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<sect3>
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@ -2621,7 +2631,7 @@ options HZ=1000 # not compulsory but strongly recommended</programlisting>
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<para>&man.fsck.ffs.8; now supports background filesystem checks
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to mounted FFS filesystems with the <option>-B</option> option
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(softupdates must be enabled on these filesystems). The
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(Soft Updates must be enabled on these filesystems). The
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<option>-F</option> flag now determines whether a specified
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filesystem needs foreground checking.</para>
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@ -3092,7 +3102,7 @@ options HZ=1000 # not compulsory but strongly recommended</programlisting>
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faster. &merged;</para>
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<para role="historic">&man.newfs.8; now takes a <option>-U</option> option to
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enable softupdates on a new filesystem. &merged;</para>
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enable Soft Updates on a new filesystem. &merged;</para>
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<para role="historic">The default number of cylinders per group in &man.newfs.8;
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is now computed to be the maximum allowable given the current
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