From 8ae8da4156ef9141be0d9415a04c13dff5ce464f Mon Sep 17 00:00:00 2001 From: rmacklem Date: Sat, 16 Apr 2011 22:15:59 +0000 Subject: Add mutex locking on the nfs node in ncl_inactive() for the experimental NFS client. MFC after: 2 weeks --- sys/fs/nfsclient/nfs_clnode.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'sys/fs/nfsclient/nfs_clnode.c') diff --git a/sys/fs/nfsclient/nfs_clnode.c b/sys/fs/nfsclient/nfs_clnode.c index 01e1919..c6b212a 100644 --- a/sys/fs/nfsclient/nfs_clnode.c +++ b/sys/fs/nfsclient/nfs_clnode.c @@ -202,12 +202,14 @@ ncl_inactive(struct vop_inactive_args *ap) (void) nfsrpc_close(vp, 1, ap->a_td); } + mtx_lock(&np->n_mtx); if (vp->v_type != VDIR) { sp = np->n_sillyrename; np->n_sillyrename = NULL; } else sp = NULL; if (sp) { + mtx_unlock(&np->n_mtx); (void) ncl_vinvalbuf(vp, 0, ap->a_td, 1); /* * Remove the silly file that was rename'd earlier @@ -216,8 +218,10 @@ ncl_inactive(struct vop_inactive_args *ap) crfree(sp->s_cred); vrele(sp->s_dvp); FREE((caddr_t)sp, M_NEWNFSREQ); + mtx_lock(&np->n_mtx); } np->n_flag &= NMODIFIED; + mtx_unlock(&np->n_mtx); return (0); } -- cgit v1.1