cache: when adding an already existing entry assert on a complete match

KekenoBSD/src

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Mateusz Guzik

2020-08-19 15:08:14 +00:00

parent 7c75f14f5b

commit 6c55d6e030

1 changed files with 9 additions and 0 deletions

									
										sys/kern/vfs_cache.c
									
		+9
		
												View File
												
				@@ -1957,6 +1957,15 @@ cache_enter_time(struct vnode *dvp, struct vnode *vp, struct componentname *cnp,

						if (n2->nc_dvp == dvp &&

						    n2->nc_nlen == cnp->cn_namelen &&

						    !bcmp(n2->nc_name, cnp->cn_nameptr, n2->nc_nlen)) {

							MPASS(cache_ncp_canuse(n2));

							if ((n2->nc_flag & NCF_NEGATIVE) != 0)

								KASSERT(vp == NULL,

								    ("%s: found entry pointing to a different vnode (%p != %p)",

								    __func__, NULL, vp));

							else

								KASSERT(n2->nc_vp == vp,

								    ("%s: found entry pointing to a different vnode (%p != %p)",

								    __func__, n2->nc_vp, vp));

							if (tsp != NULL) {

								KASSERT((n2->nc_flag & NCF_TS) != 0,

								    ("no NCF_TS"));