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author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-01-03 09:55:57 +0100 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-01-06 20:58:58 +0100 |
commit | 58df095b732529ade8f4051b41d7c29731afecd6 (patch) | |
tree | 917819b96bac91e5daea7a31eb6eba66268952d9 /Documentation | |
parent | SUNRPC: Clean up xprt_destroy() (diff) | |
download | linux-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')
-rw-r--r-- | Documentation/kernel-parameters.txt | 4 |
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 |