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Add locking assertions to check that file systems comply with the

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vnode locking protocol.
This commit is contained in:
pooka 2007-08-13 13:52:45 +00:00
parent 787d952790
commit 7ed98ea083
1 changed files with 11 additions and 1 deletions
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12
sys/rump/fs/lib/libp2k/p2k.c
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@ -1,4 +1,4 @@
/* $NetBSD: p2k.c,v 1.9 2007/08/13 12:20:55 pooka Exp $ */
/* $NetBSD: p2k.c,v 1.10 2007/08/13 13:52:45 pooka Exp $ */
/*
* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
@ -241,6 +241,7 @@ p2k_fs_sync(struct puffs_cc *pcc, int waitfor,
#define VLE(a) VOP_LOCK(a, LK_EXCLUSIVE)
#define VLS(a) VOP_LOCK(a, LK_SHARED)
#define VUL(a) VOP_UNLOCK(a, 0);
#define AUL(a) assert(VOP_ISLOCKED(a) == 0)
int
p2k_node_lookup(struct puffs_cc *pcc, void *opc, struct puffs_newinfo *pni,
@ -285,6 +286,7 @@ p2k_node_create(struct puffs_cc *pcc, void *opc, struct puffs_newinfo *pni,
cn = P2K_MAKECN(pcn);
VLE(opc);
rv = VOP_CREATE(opc, &vp, cn, __UNCONST(vap));
AUL(opc);
rump_freecn(cn, 0);
if (rv == 0) {
VUL(vp);
@ -305,6 +307,7 @@ p2k_node_mknod(struct puffs_cc *pcc, void *opc, struct puffs_newinfo *pni,
cn = P2K_MAKECN(pcn);
VLE(opc);
rv = VOP_MKNOD(opc, &vp, cn, __UNCONST(vap));
AUL(opc);
rump_freecn(cn, 0);
if (rv == 0) {
VUL(vp);
@ -416,6 +419,8 @@ p2k_node_remove(struct puffs_cc *pcc, void *opc, void *targ,
VLE(opc);
VLE(targ);
rv = VOP_REMOVE(opc, targ, cn);
AUL(opc);
AUL(targ);
rump_freecn(cn, 0);
return rv;
@ -435,6 +440,9 @@ p2k_node_rename(struct puffs_cc *pcc, void *src_dir, void *src,
if (targ)
VLE(targ);
rv = VOP_RENAME(src_dir, src, cn_src, targ_dir, targ, cn_targ);
AUL(targ_dir);
if (targ)
AUL(targ);
rump_freecn(cn_src, 0);
rump_freecn(cn_targ, 0);
@ -452,6 +460,7 @@ p2k_node_mkdir(struct puffs_cc *pcc, void *opc, struct puffs_newinfo *pni,
cn = P2K_MAKECN(pcn);
VLE(opc);
rv = VOP_MKDIR(opc, &vp, cn, __UNCONST(vap));
AUL(opc);
rump_freecn(cn, 0);
if (rv == 0) {
VUL(vp);
@ -489,6 +498,7 @@ p2k_node_symlink(struct puffs_cc *pcc, void *opc, struct puffs_newinfo *pni,
cn = P2K_MAKECN(pcn_src);
VLE(opc);
rv = VOP_SYMLINK(opc, &vp, cn, __UNCONST(vap), __UNCONST(link_target));
AUL(opc);
rump_freecn(cn, 0);
if (rv == 0) {
VUL(vp);