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author | Trond Myklebust <trondmy@gmail.com> | 2020-01-06 21:40:36 +0300 |
---|---|---|
committer | J. Bruce Fields <bfields@redhat.com> | 2020-01-23 00:25:41 +0300 |
commit | 524ff1af226ce0f6348d48b413849b2bd16c5b60 (patch) | |
tree | 65cb33075b71b208f4acfd4dbe2d6fe3b5c29e41 /fs/nfsd/nfs3xdr.c | |
parent | 809fe3c533789ebb51c1873b80c7dafbad9dbf19 (diff) | |
download | linux-524ff1af226ce0f6348d48b413849b2bd16c5b60.tar.xz |
nfsd: Ensure sampling of the commit verifier is atomic with the commit
When we have a successful commit, ensure we sample the commit verifier
before releasing the lock.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs3xdr.c')
-rw-r--r-- | fs/nfsd/nfs3xdr.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c index c997b710af27..1ae4fc2eec00 100644 --- a/fs/nfsd/nfs3xdr.c +++ b/fs/nfsd/nfs3xdr.c @@ -1121,16 +1121,12 @@ int nfs3svc_encode_commitres(struct svc_rqst *rqstp, __be32 *p) { struct nfsd3_commitres *resp = rqstp->rq_resp; - struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); - __be32 verf[2]; p = encode_wcc_data(rqstp, p, &resp->fh); /* Write verifier */ if (resp->status == 0) { - /* unique identifier, y2038 overflow can be ignored */ - nfsd_copy_boot_verifier(verf, nn); - *p++ = verf[0]; - *p++ = verf[1]; + *p++ = resp->verf[0]; + *p++ = resp->verf[1]; } return xdr_ressize_check(rqstp, p); } |