From: Fred Isaman <iisaman@netapp.com>
To: linux-nfs@vger.kernel.org
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Subject: [PATCH 0/3] pnfs: fix pnfs lock inversion, try 2
Date: Thu, 3 Feb 2011 13:28:49 -0500 [thread overview]
Message-ID: <1296757732-16261-1-git-send-email-iisaman@netapp.com> (raw)
Changes from previous version:
- fix PATCH 1 to avoid introducing race in pnfs_destroy_layout with LAYOUTGET
- refactor PATCH 3 per Benny's suggestion
These fix the incorrect lock order used throughout the pnfs code. We
first simplify the logic (and in the process squash a few bugs), then
rearrange the code so we never have to take both i_lock and cl_lock
simultaneously.
Fred
next reply other threads:[~2011-02-03 18:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-03 18:28 Fred Isaman [this message]
2011-02-03 18:28 ` [PATCH 1/3] pnfs: avoid incorrect use of layout stateid Fred Isaman
2011-02-03 18:28 ` [PATCH 2/3] pnfs: do not need to clear NFS_LAYOUT_BULK_RECALL flag Fred Isaman
2011-02-03 18:28 ` [PATCH 3/3] pnfs: fix pnfs lock inversion of i_lock and cl_lock Fred Isaman
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