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docs: update kernel oplocks documentation

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Signed-off-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Christian Ambach 2012-03-30 16:11:37 +02:00 committed by Jeremy Allison
parent 2a36408d40
commit 639a775866
1 changed files with 7 additions and 2 deletions
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9
docs-xml/smbdotconf/locking/kerneloplocks.xml
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@ -1,11 +1,13 @@
<samba:parameter name="kernel oplocks"
type="boolean"
context="G"
context="S"
xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
<description>
<para>For UNIXes that support kernel based <smbconfoption name="oplocks"/>
(currently only IRIX and the Linux 2.4 kernel), this parameter
allows the use of them to be turned on or off.</para>
allows the use of them to be turned on or off. However, this disables
Level II oplocks for clients as the Linux and IRIX kernels do not
support them properly.</para>
<para>Kernel oplocks support allows Samba <parameter moreinfo="none">oplocks
</parameter> to be broken whenever a local UNIX process or NFS operation
@ -13,6 +15,9 @@
<manvolnum>8</manvolnum></citerefentry> has oplocked. This allows complete
data consistency between SMB/CIFS, NFS and local file access (and is
a <emphasis>very</emphasis> cool feature :-).</para>
<para>If you do not need this interaction, you should disable the
parameter on Linux and IRIX to get Level II oplocks and the associated
performance benefit.</para>
<para>This parameter defaults to <constant>on</constant>, but is translated
to a no-op on systems that no not have the necessary kernel support.