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(parent: 63a3f93) | patch
nfsd: Fix race in lock stateid creation
authorTrond Myklebust <trond.myklebust@primarydata.com>
Fri, 3 Nov 2017 12:00:14 +0000 (08:00 -0400)
committerJ. Bruce Fields <bfields@redhat.com>
Mon, 27 Nov 2017 21:45:10 +0000 (16:45 -0500)
commit979529b3e0435c4ff7e93073ce6b245698a7d389
treec118b4316b711a950f6792a8d4c2c47fea81886ctree | snapshot
parent63a3f93ff9b82a048adf6937d480de1f52adf878commit | diff
nfsd: Fix race in lock stateid creation

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>
fs/nfsd/nfs4state.c diff | blob | history
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