[linux-cifs-client][patch] get security descriptor results in oplock break

[Shirish Pargaonkar]

On 3/13/08, Shirish Pargaonkar <shirishpargaonkar at gmail.com> wrote:
> With cifsacl mount option, when a file is created on the Windows server,
> exclusive oplock is broken right away because the get cifs acl code
> again opens the file
> to obtain security descriptor.
> The client does not have the newly created file handle or inode in any
> of its lists yet
> so it does not respond to oplock break and the server waits for its
> set duration and
> then responds to the second open. This slows down file creation signficantly.
> The fix is to pass the file descriptor to the get cifsacl code
> wherever available
> so that get cifs acl code does not send second open (NT Create ANDX)
> and oplock is
> not broken.
>
>

Another version, this time with fileHandle as a pointer.
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