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-rw-r--r--sys/kern/vfs_cache.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c
index a541d76..01c5e4c 100644
--- a/sys/kern/vfs_cache.c
+++ b/sys/kern/vfs_cache.c
@@ -630,18 +630,23 @@ cache_enter(dvp, vp, cnp)
* to new parent vnode, otherwise continue with new
* namecache entry allocation.
*/
- if ((ncp = dvp->v_cache_dd) != NULL) {
- if (ncp->nc_flag & NCF_ISDOTDOT) {
- KASSERT(ncp->nc_dvp == dvp,
- ("wrong isdotdot parent"));
+ if ((ncp = dvp->v_cache_dd) != NULL &&
+ ncp->nc_flag & NCF_ISDOTDOT) {
+ KASSERT(ncp->nc_dvp == dvp,
+ ("wrong isdotdot parent"));
+ if (ncp->nc_vp != NULL)
TAILQ_REMOVE(&ncp->nc_vp->v_cache_dst,
ncp, nc_dst);
+ else
+ TAILQ_REMOVE(&ncneg, ncp, nc_dst);
+ if (vp != NULL)
TAILQ_INSERT_HEAD(&vp->v_cache_dst,
ncp, nc_dst);
- ncp->nc_vp = vp;
- CACHE_WUNLOCK();
- return;
- }
+ else
+ TAILQ_INSERT_TAIL(&ncneg, ncp, nc_dst);
+ ncp->nc_vp = vp;
+ CACHE_WUNLOCK();
+ return;
}
dvp->v_cache_dd = NULL;
SDT_PROBE(vfs, namecache, enter, done, dvp, "..", vp,
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