Re: nfs mmap adventure (was: 2.6.23-mm1)

[Trond Myklebust]

On Mon, 2007-10-15 at 14:28 +0200, Peter Zijlstra wrote:
> I get funny SIGBUS' like so:
> 
> fault
>   if (->page_mkwrite() < 0)
>     nfs_vm_page_mkwrite()
>       nfs_write_begin()
>         nfs_flush_incompatible()
>           nfs_wb_page()
>             nfs_wb_page_priority()
>               nfs_sync_mapping_wait()
>                 nfs_wait_on_request_locked()
>                   nfs_wait_on_request()
>                     nfs_wait_bit_interruptible()
>                       return -ERESTARTSYS
>     SIGBUS
> 
> trying to figure out what to do about this...

Why? If someone is interrupting the write, then a SIGBUS is pretty much
expected.

  Trond

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