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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-01-03 03:55:57 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-01-06 14:58:58 -0500
commit58df095b732529ade8f4051b41d7c29731afecd6 (patch)
tree917819b96bac91e5daea7a31eb6eba66268952d9 /Documentation/kernel-parameters.txt
parent0065db328533c390fbfb0fe0c46bcf9a278fb99e (diff)
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.
914 [NFS] set the TCP port on which the NFSv4 callback 914 [NFS] set the TCP port on which the NFSv4 callback
915 channel should listen. 915 channel should listen.
916 916
917 nfs.idmap_cache_timeout=
918 [NFS] set the maximum lifetime for idmapper cache
919 entries.
920
917 nmi_watchdog= [KNL,BUGS=IA-32] Debugging features for SMP kernels 921 nmi_watchdog= [KNL,BUGS=IA-32] Debugging features for SMP kernels
918 922
919 no387 [BUGS=IA-32] Tells the kernel to use the 387 maths 923 no387 [BUGS=IA-32] Tells the kernel to use the 387 maths