Messages in this thread | | | From | Nick Piggin <> | Subject | Re: [RESEND] [PATCH] VFS: make file->f_pos access atomic on 32bit arch | Date | Wed, 8 Oct 2008 19:48:59 +1100 |
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On Wednesday 08 October 2008 19:32, Eric Dumazet wrote:
> A far more interesting problem is the "tail -f logfile" problem that raised > recently in lkml, when file is NFS mounted, where reader can get nul > bytes... (Subject : blocks of zeros (NULLs) in NFS files in kernels >= > 2.6.20 )
Not so interesting outside NFS, AFAIKS? It's just a matter of what semantics NFS chooses to implement... I guess stronger semantics will tend to be more costly, all else being equal, probably the reason why they do it that way.
That behaviour does seem a bit surprising, though.
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