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authorTrond Myklebust <trond.myklebust@primarydata.com>2017-07-20 23:00:02 +0200
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2017-07-21 20:08:45 +0200
commit1ebf980127924c639e2b85c08468311ba1c95b70 (patch)
tree514331ff7257270cc81f6963cc483b91cd0f0530 /Documentation/io-mapping.txt
parentNFS: Be more careful about mapping file permissions (diff)
downloadlinux-1ebf980127924c639e2b85c08468311ba1c95b70.tar.xz
linux-1ebf980127924c639e2b85c08468311ba1c95b70.zip
NFS/filelayout: Fix racy setting of fl->dsaddr in filelayout_check_deviceid()
We must set fl->dsaddr once, and once only, even if there are multiple processes calling filelayout_check_deviceid() for the same layout segment. Reported-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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