X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fjournald.conf.xml;h=6e43914f23e32893f4a5abe591a2f2319a0e3720;hb=b42defe3b8ed3947d85db654a6cdb1b9999f394d;hp=fe47fdffec70c0a0b7d41ede80644ce86cfb220b;hpb=bdf874d4bfd0292e8240418930fac568134389d2;p=elogind.git

diff --git a/man/journald.conf.xml b/man/journald.conf.xml
index fe47fdffe..6e43914f2 100644
--- a/man/journald.conf.xml
+++ b/man/journald.conf.xml
@@ -130,9 +130,15 @@
                                 by
                                 <citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>'s
                                 <option>--setup-keys</option>
-                                command), forward secure sealing (FSS) for
-                                all persistent journal files is
-                                enabled.</para></listitem>
+                                command), forward secure sealing (FSS)
+                                for all persistent journal files is
+                                enabled. FSS is based on <ulink
+                                url="http://eprint.iacr.org/2013/397">Seekable
+                                Sequential Key Generators</ulink> by
+                                G. A. Marson and B. Poettering and
+                                may be used to protect journal files
+                                from unnoticed
+                                alteration.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
@@ -231,7 +237,17 @@
                                 while the former apply if persistent
                                 logging is enabled and the system is
                                 fully booted
-                                up. <varname>SystemMaxUse=</varname>
+                                up. <command>journalctl</command> and
+                                <command>systemd-journald</command>
+                                ignore all files with names not ending
+                                with <literal>.journal</literal> or
+                                <literal>.journal~</literal>, so only
+                                such files, located in the appropriate
+                                directories, are taken into account
+                                when calculating current disk usage.
+                                </para>
+
+                                <para><varname>SystemMaxUse=</varname>
                                 and <varname>RuntimeMaxUse=</varname>
                                 control how much disk space the
                                 journal may use up at
@@ -265,11 +281,11 @@
                                 values in bytes or use K, M, G, T, P,
                                 E as units for the specified sizes
                                 (equal to 1024, 1024²,... bytes).
-                                Note that size limits are
-                                enforced synchronously to journal
-                                files as they are extended, and need
-                                no explicit rotation step triggered by
-                                time.</para></listitem>
+                                Note that size limits are enforced
+                                synchronously when journal files
+                                are extended, and no explicit
+                                rotation step triggered by
+                                time is needed.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>