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Add some missing mutex locking to the new NFS client.

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MFC after:	2 weeks
This commit is contained in:
Rick Macklem 2011-05-25 21:17:53 +00:00
parent bef655932c
commit 81ddb192e8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=222291
1 changed files with 2 additions and 0 deletions
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2
sys/fs/nfsclient/nfs_clvnops.c
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@ -2470,10 +2470,12 @@ ncl_commit(struct vnode *vp, u_quad_t offset, int cnt, struct ucred *cred,
error = nfsrpc_commit(vp, offset, cnt, cred, td, verf, &nfsva,
&attrflag, NULL);
if (!error) {
mtx_lock(&nmp->nm_mtx);
if (NFSBCMP((caddr_t)nmp->nm_verf, verf, NFSX_VERF)) {
NFSBCOPY(verf, (caddr_t)nmp->nm_verf, NFSX_VERF);
error = NFSERR_STALEWRITEVERF;
}
mtx_unlock(&nmp->nm_mtx);
if (!error && attrflag)
(void) nfscl_loadattrcache(&vp, &nfsva, NULL, NULL,
0, 1);