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cache_lookup remove unused variable and initialize used

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This commit is contained in:
mmacy 2018-05-19 04:08:11 +00:00
parent e1c41612d0
commit 0cad561f8c
1 changed files with 4 additions and 2 deletions
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6
sys/kern/vfs_cache.c
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@ -752,6 +752,7 @@ cache_negative_shrink_select(int start, struct namecache **ncpp,
int i;
*ncpp = ncp = NULL;
neglist = NULL;
for (i = start; i < numneglists; i++) {
neglist = &neglists[i];
@ -1230,7 +1231,7 @@ cache_lookup(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp,
struct namecache_ts *ncp_ts;
struct namecache *ncp;
struct rwlock *blp;
struct mtx *dvlp, *dvlp2;
struct mtx *dvlp;
uint32_t hash;
int error, ltype;
@ -1249,12 +1250,12 @@ cache_lookup(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp,
retry:
blp = NULL;
dvlp = NULL;
error = 0;
if (cnp->cn_namelen == 2 &&
cnp->cn_nameptr[0] == '.' && cnp->cn_nameptr[1] == '.') {
counter_u64_add(dotdothits, 1);
dvlp = VP2VNODELOCK(dvp);
dvlp2 = NULL;
mtx_lock(dvlp);
ncp = dvp->v_cache_dd;
if (ncp == NULL) {
@ -1629,6 +1630,7 @@ cache_enter_time(struct vnode *dvp, struct vnode *vp, struct componentname *cnp,
cache_celockstate_init(&cel);
ndd = NULL;
ncp_ts = NULL;
flag = 0;
if (cnp->cn_nameptr[0] == '.') {
if (cnp->cn_namelen == 1)