diff options
Diffstat (limited to 'sys/fs/nfsclient/nfs_clvnops.c')
| -rw-r--r-- | sys/fs/nfsclient/nfs_clvnops.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/fs/nfsclient/nfs_clvnops.c b/sys/fs/nfsclient/nfs_clvnops.c index 2747191..183491e 100644 --- a/sys/fs/nfsclient/nfs_clvnops.c +++ b/sys/fs/nfsclient/nfs_clvnops.c @@ -1063,7 +1063,8 @@ nfs_lookup(struct vop_lookup_args *ap) * We only accept a positive hit in the cache if the * change time of the file matches our cached copy. * Otherwise, we discard the cache entry and fallback - * to doing a lookup RPC. + * to doing a lookup RPC. We also only trust cache + * entries for less than nm_nametimeo seconds. * * To better handle stale file handles and attributes, * clear the attribute cache of this node if it is a @@ -1085,7 +1086,8 @@ nfs_lookup(struct vop_lookup_args *ap) mtx_unlock(&newnp->n_mtx); } if (nfscl_nodeleg(newvp, 0) == 0 || - (VOP_GETATTR(newvp, &vattr, cnp->cn_cred) == 0 && + ((u_int)(ticks - ncticks) < (nmp->nm_nametimeo * hz) && + VOP_GETATTR(newvp, &vattr, cnp->cn_cred) == 0 && timespeccmp(&vattr.va_ctime, &nctime, ==))) { NFSINCRGLOBAL(newnfsstats.lookupcache_hits); if (cnp->cn_nameiop != LOOKUP && |
