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| -rw-r--r-- | man/tmpfiles.d.xml | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/man/tmpfiles.d.xml b/man/tmpfiles.d.xml index 3f2ef7ee97..e5ea2bec8b 100644 --- a/man/tmpfiles.d.xml +++ b/man/tmpfiles.d.xml @@ -545,6 +545,14 @@ w- /proc/sys/vm/swappiness - - - - 10</programlisting></para> (ctime). Any of these three (or two) values will prevent cleanup if it is more recent than the current time minus the age field.</para> + + <para>Note that while the aging algorithm is run a 'shared' BSD file lock (see <citerefentry + project='man-pages'><refentrytitle>flock</refentrytitle><manvolnum>2</manvolnum></citerefentry>) is + taken on each directory the algorithm descends into (and each directory below that, and so on). If the + aging algorithm finds a lock is already taken on some directory, it (and everything below it) is + skipped. Applications may use this to temporarily exclude certain directory subtrees from the aging + algorithm: the applications can take a BSD file lock themselves, and as long as they keep it aging of + the directory and everything below it is disabled.</para> </refsect2> <refsect2> |