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authorrmacklem <rmacklem@FreeBSD.org>2011-04-16 22:15:59 +0000
committerrmacklem <rmacklem@FreeBSD.org>2011-04-16 22:15:59 +0000
commit8ae8da4156ef9141be0d9415a04c13dff5ce464f (patch)
tree2ae3a7dca91749cc5fc92fb833dffa6ad6c4edaf /sys/fs
parent95da67cdb879f2629d864907d93b430ff3c237fb (diff)
downloadFreeBSD-src-8ae8da4156ef9141be0d9415a04c13dff5ce464f.zip
FreeBSD-src-8ae8da4156ef9141be0d9415a04c13dff5ce464f.tar.gz
Add mutex locking on the nfs node in ncl_inactive() for the
experimental NFS client. MFC after: 2 weeks
Diffstat (limited to 'sys/fs')
-rw-r--r--sys/fs/nfsclient/nfs_clnode.c4
1 files changed, 4 insertions, 0 deletions
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);
}
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