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Add mutex locking on the nfs node in ncl_inactive() for the

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experimental NFS client.

MFC after:	2 weeks
This commit is contained in:
Rick Macklem 2011-04-16 22:15:59 +00:00
parent fa2835d296
commit f8a2f6b03a
1 changed files with 4 additions and 0 deletions
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4
sys/fs/nfsclient/nfs_clnode.c
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@ -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);
}