Author: kib
Date: Sun Jun 26 13:16:02 2016
New Revision: 302208
URL: https://svnweb.freebsd.org/changeset/base/302208
Log:
MFC r302019:
Do not access NFS data for reclaimed vnode.
Modified:
stable/10/sys/fs/nfsclient/nfs_clvnops.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/fs/nfsclient/nfs_clvnops.c
==============================================================================
--- stable/10/sys/fs/nfsclient/nfs_clvnops.c Sun Jun 26 12:41:02 2016
(r302207)
+++ stable/10/sys/fs/nfsclient/nfs_clvnops.c Sun Jun 26 13:16:02 2016
(r302208)
@@ -3098,10 +3098,14 @@ nfs_advlock(struct vop_advlock_args *ap)
}
}
if (error == 0 && ap->a_op == F_SETLK) {
- /* Mark that a file lock has been acquired. */
- mtx_lock(&np->n_mtx);
- np->n_flag |= NHASBEENLOCKED;
- mtx_unlock(&np->n_mtx);
+ error = NFSVOPLOCK(vp, LK_SHARED);
+ if (error == 0) {
+ /* Mark that a file lock has been acquired. */
+ mtx_lock(&np->n_mtx);
+ np->n_flag |= NHASBEENLOCKED;
+ mtx_unlock(&np->n_mtx);
+ NFSVOPUNLOCK(vp, 0);
+ }
}
}
return (error);
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