The branch main has been updated by rmacklem:
URL:
https://cgit.FreeBSD.org/src/commit/?id=54ff3b3986741b9cd06ce20b90c96711cbe146d0
commit 54ff3b3986741b9cd06ce20b90c96711cbe146d0
Author: Rick Macklem <rmack...@freebsd.org>
AuthorDate: 2021-07-28 22:23:05 +0000
Commit: Rick Macklem <rmack...@freebsd.org>
CommitDate: 2021-07-28 22:23:05 +0000
nfscl: Set correct lockowner for "oneopenown" mount option
For NFSv4.1/4.2, the client may use either an open, lock or
delegation stateid as the stateid argument for an I/O operation.
RFC 5661 defines an order of preference of delegation, then lock
and finally open stateid for the argument, although NFSv4.1/4.2
servers are expected to handle any stateid type.
For the "oneopenown" mount option, the lock owner was not being
correctly generated and, as such, the I/O operation would use an
open stateid, even when a lock stateid existed. Although this
did not and should not affect an NFSv4.1/4.2 server's behaviour,
this patch makes the behaviour for "oneopenown" the same as when
the mount option is not specified.
Found during inspection of packet captures. No failure during
testing against NFSv4.1/4.2 servers of the unpatched code occurred.
MFC after: 2 weeks
---
sys/fs/nfsclient/nfs_clstate.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/sys/fs/nfsclient/nfs_clstate.c b/sys/fs/nfsclient/nfs_clstate.c
index 406dcc9d9b80..b119f86e2267 100644
--- a/sys/fs/nfsclient/nfs_clstate.c
+++ b/sys/fs/nfsclient/nfs_clstate.c
@@ -528,7 +528,7 @@ nfscl_getstateid(vnode_t vp, u_int8_t *nfhp, int fhlen,
u_int32_t mode,
struct nfscldeleg *dp;
struct nfsnode *np;
struct nfsmount *nmp;
- u_int8_t own[NFSV4CL_LOCKNAMELEN];
+ u_int8_t own[NFSV4CL_LOCKNAMELEN], lockown[NFSV4CL_LOCKNAMELEN];
int error;
bool done;
@@ -603,9 +603,10 @@ nfscl_getstateid(vnode_t vp, u_int8_t *nfhp, int fhlen,
u_int32_t mode,
nfscl_filllockowner(NULL, own, F_POSIX);
else
nfscl_filllockowner(p->td_proc, own, F_POSIX);
+ nfscl_filllockowner(p->td_proc, lockown, F_POSIX);
lp = NULL;
error = nfscl_getopen(NULL, clp->nfsc_openhash, nfhp, fhlen,
- own, own, mode, &lp, &op);
+ own, lockown, mode, &lp, &op);
if (error == 0 && lp != NULL && fords == 0) {
/* Don't return a lock stateid for a DS. */
if (NFSHASNFSV4N(nmp))
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