Re: [PATCH 5/5] NFS: Fix an unstable write data integrity race

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On Thu, 2010-04-22 at 16:50 -0400, Trond Myklebust wrote: 
> Commit 2c61be0a9478258f77b66208a0c4b1f5f8161c3c (NFS: Ensure that the WRITE
> and COMMIT RPC calls are always uninterruptible) exposed a race on file
> close. In order to ensure correct close-to-open behaviour, we want to wait
> for all outstanding background commit operations to complete.
> 
> This patch adds an inode flag that indicates if a commit operation is under
> way, and provides a mechanism to allow ->write_inode() to wait for its
> completion if this is a data integrity flush.
> 
> Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
> ---

BTW: There is a bugzilla report associated to this problem:
   https://bugzilla.kernel.org/show_bug.cgi?id=15819

Cheers
  Trond

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