nfsd: Fix race in lock stateid creation

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If we're looking up a new lock state, and the creation fails, then
we want to unhash it, just like we do for OPEN. However in order
to do so, we need to that no other LOCK requests can grab the
mutex until we have unhashed it (and marked it as closed).

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

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Trond Myklebust 2017-11-03 08:00:14 -04:00 • committed by J. Bruce Fields

parent fd1fd685b3

commit beeca19cf1

1 changed files with 42 additions and 28 deletions

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fs/nfsd/nfs4state.c

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