[PATCH 1/1] Fix tracking of open files so that oplock-breaks will propagate

[Amin Azez]

[Please excuse this being the 3rd time I send this patch; the last time it had
a fragment missing and wouldn't compile. Now I'm getting the hang of git and
this patch has all the bits and has just compiled]

vfs_cifs has oplock-break propagation in oplock_handler, but it doesn't work
opened files aren't actually added to the list at cvfs_private->files

This patch adds tracking of opened files.

Loose ends:

I guess there are implications for the test suite too, as far as oplock
tests, and tracking of open files? And closing non-existent files, I
guess file-close has been failing too (not finding the f).

Also, does cvfs_exit need to update this file list with closures?

We may want to review the DLIST_REMOVE use in cvfs_close in this patch,
I'm not sure if I should do it in the async callback instead of before.
I also don't know who should be free-ing the f and it's h, I suspect
they should be free'd here.

I haven't yet tracked down the ntvfs_handle creator for vfs_cifs, but a
cursory look suggests that the h is owned by the f, so free-ing the f
may be all that is required?

Maybe we also need to track created files as well as open files?

Signed-off-by: Amin Azez <azez at ufomechanic.net>
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 source/ntvfs/cifs/vfs_cifs.c |   20 ++++++++++++++++----
 1 files changed, 16 insertions(+), 4 deletions(-)
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