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Backport of the following patches
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commit 257fb1f15d72f89dad2d72fa467c189f2d7fdd71
Author: Pavel Shilovsky <piastry>
Date: Wed Mar 16 01:55:32 2011 +0300
CIFS: Use invalidate_inode_pages2 instead of invalidate_remote_inode (try #4)
Use invalidate_inode_pages2 that don't leave pages even if shrink_page_list()
has a temp ref on them. It prevents a data coherency problem when
cifs_invalidate_mapping didn't invalidate pages but the client thinks that a data
from the cache is uptodate according to an oplock level (exclusive or II).
Signed-off-by: Pavel Shilovsky <piastry>
Signed-off-by: Steve French <sfrench.com>
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commit 9ad1506b42c828dff0b9d8f3914e1f837734e91c
Author: Pavel Shilovsky <piastry>
Date: Fri Apr 8 05:29:10 2011 +0400
CIFS: Add launder_page operation (try #3)
Add this let us drop filemap_write_and_wait from cifs_invalidate_mapping
and simplify the code to properly process invalidate logic.
Reviewed-by: Jeff Layton <jlayton>
Signed-off-by: Pavel Shilovsky <piastry>
Signed-off-by: Steve French <sfrench.com>
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commit 6feb9891da4f8b04ffca69c00eb56bb7c1b64dc4
Author: Pavel Shilovsky <piastry>
Date: Thu Apr 7 18:18:11 2011 +0400
CIFS: Simplify invalidate part (try #5)
Simplify many places when we call cifs_revalidate/invalidate to make
it do what it exactly needs.
Reviewed-by: Jeff Layton <jlayton>
Signed-off-by: Pavel Shilovsky <piastry>
Signed-off-by: Steve French <sfrench.com>
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commit 156ecb2d8b06589098f6ce3012e6a10fef07c416
Author: Steve French <sfrench.com>
Date: Fri May 20 17:00:01 2011 +0000
[CIFS] Fix to problem with getattr caused by invalidate simplification patch
Fix to earlier "Simplify invalidate part (try #6)" patch
That patch caused problems with connectathon test 5.
Reviewed-by: Jeff Layton <jlayton>
Signed-off-by: Pavel Shilovsky <piastry>
Signed-off-by: Steve French <sfrench.com>
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Comment 2RHEL Program Management
2012-07-27 16:21:06 UTC
This request was evaluated by Red Hat Product Management for
inclusion in a Red Hat Enterprise Linux release. Product
Management has requested further review of this request by
Red Hat Engineering, for potential inclusion in a Red Hat
Enterprise Linux release for currently deployed products.
This request is not yet committed for inclusion in a release.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
http://rhn.redhat.com/errata/RHSA-2013-0496.html