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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-09-04 16:08:54 +0200 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-09-04 18:26:32 +0200 |
| commit | f6de7a39c181dfb8a2c534661a53c73afb3081cd (patch) | |
| tree | 69a0d52d55f0a32e83bba6a0cd20df154a38f06a /Documentation/kernel-parameters.txt | |
| parent | NFSv4: Don't try to recover NFSv4 locks when they are lost. (diff) | |
| download | linux-f6de7a39c181dfb8a2c534661a53c73afb3081cd.tar.xz linux-f6de7a39c181dfb8a2c534661a53c73afb3081cd.zip | |
NFSv4: Document the recover_lost_locks kernel parameter
Rename the new 'recover_locks' kernel parameter to 'recover_lost_locks'
and change the default to 'false'. Document why in
Documentation/kernel-parameters.txt
Move the 'recover_lost_locks' kernel parameter to fs/nfs/super.c to
make it easy to backport to kernels prior to 3.6.x, which don't have
a separate NFSv4 module.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 15356aca938c..30584b194984 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1847,6 +1847,18 @@ bytes respectively. Such letter suffixes can also be entirely omitted. will be sent. The default is to send the implementation identification information. + + nfs.recover_lost_locks = + [NFSv4] Attempt to recover locks that were lost due + to a lease timeout on the server. Please note that + doing this risks data corruption, since there are + no guarantees that the file will remain unchanged + after the locks are lost. + If you want to enable the kernel legacy behaviour of + attempting to recover these locks, then set this + parameter to '1'. + The default parameter value of '0' causes the kernel + not to attempt recovery of lost locks. nfsd.nfs4_disable_idmapping= [NFSv4] When set to the default of '1', the NFSv4 |