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Lock vp in nfs_link while we're busy with it (doing VOP_FSYNC, etc).

This commit is contained in:
fvdl 2001-05-14 18:51:33 +00:00
parent 049f74e997
commit faa28e2580
1 changed files with 11 additions and 1 deletions
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12
sys/nfs/nfs_vnops.c
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@ -1,4 +1,4 @@
/* $NetBSD: nfs_vnops.c,v 1.131 2001/04/20 11:22:02 fvdl Exp $ */
/* $NetBSD: nfs_vnops.c,v 1.132 2001/05/14 18:51:33 fvdl Exp $ */
/*
* Copyright (c) 1989, 1993
@ -1795,6 +1795,14 @@ nfs_link(v)
vput(dvp);
return (EXDEV);
}
if (dvp != vp) {
error = vn_lock(vp, LK_EXCLUSIVE);
if (error != 0) {
VOP_ABORTOP(dvp, cnp);
vput(dvp);
return error;
}
}
/*
* Push all writes to the server, so that the attribute cache
@ -1822,6 +1830,8 @@ nfs_link(v)
VTONFS(vp)->n_attrstamp = 0;
if (!wccflag)
VTONFS(dvp)->n_attrstamp = 0;
if (dvp != vp)
VOP_UNLOCK(vp, 0);
vput(dvp);
/*
* Kludge: Map EEXIST => 0 assuming that it is a reply to a retry.