Re: Bug#43529: debian-policy: mail locking in Debian is _not_ NFS safe
On Thu, 26 Aug 1999, Roland Rosenfeld wrote:
> The solution for this problem is to use fcntl(), because Linux 2.2.*
> flushes the cache of a file in the moment when it is locked using
> fcntl().
>
> But only fcntl() locking is not enough, because Linux 2.0.* doesn't
> support this over NFS and then we have no locking over NFS.
And linux 2.2.x with a userland server also does not support fcntl
locking, it generates an annoying kernel message and fails with ENOLCK.
Jason
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