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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-01-03 09:55:57 +0100
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-01-06 20:58:58 +0100
commit58df095b732529ade8f4051b41d7c29731afecd6 (patch)
tree917819b96bac91e5daea7a31eb6eba66268952d9 /Documentation/kernel-parameters.txt
parentSUNRPC: Clean up xprt_destroy() (diff)
downloadlinux-58df095b732529ade8f4051b41d7c29731afecd6.tar.xz
linux-58df095b732529ade8f4051b41d7c29731afecd6.zip
NFSv4: Allow entries in the idmap cache to expire
If someone changes the uid/gid mapping in userland, then we do eventually want those changes to be propagated to the kernel. Currently the kernel assumes that it may cache entries forever. Add an expiration time + garbage collector for idmap entries. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 309c9cec6e7c..a482fde09bbb 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -914,6 +914,10 @@ running once the system is up.
[NFS] set the TCP port on which the NFSv4 callback
channel should listen.
+ nfs.idmap_cache_timeout=
+ [NFS] set the maximum lifetime for idmapper cache
+ entries.
+
nmi_watchdog= [KNL,BUGS=IA-32] Debugging features for SMP kernels
no387 [BUGS=IA-32] Tells the kernel to use the 387 maths