d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

cache: populate v_cache_dd for non-VDIR entries

Browse Source 
It makes v_cache_dd into a little bit of a misnomer and it may be addressed later.

Tested by:	pho
This commit is contained in:
mjg 2020-08-24 08:55:04 +00:00
parent 4f1f3fbe7e
commit cd0f91fa6a
1 changed files with 15 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
sys/kern/vfs_cache.c
View File

@ -2003,24 +2003,22 @@ cache_enter_time(struct vnode *dvp, struct vnode *vp, struct componentname *cnp,
}
if (vp != NULL) {
if (vp->v_type == VDIR) {
if (flag != NCF_ISDOTDOT) {
/*
* For this case, the cache entry maps both the
* directory name in it and the name ".." for the
* directory's parent.
*/
vn_seqc_write_begin(vp);
if ((ndd = vp->v_cache_dd) != NULL) {
if ((ndd->nc_flag & NCF_ISDOTDOT) != 0)
cache_zap_locked(ndd);
else
ndd = NULL;
}
vp->v_cache_dd = ncp;
vn_seqc_write_end(vp);
if (flag != NCF_ISDOTDOT) {
/*
* For this case, the cache entry maps both the
* directory name in it and the name ".." for the
* directory's parent.
*/
vn_seqc_write_begin(vp);
if ((ndd = vp->v_cache_dd) != NULL) {
if ((ndd->nc_flag & NCF_ISDOTDOT) != 0)
cache_zap_locked(ndd);
else
ndd = NULL;
}
} else {
vp->v_cache_dd = ncp;
vn_seqc_write_end(vp);
} else if (vp->v_type != VDIR) {
if (vp->v_cache_dd != NULL) {
vn_seqc_write_begin(vp);
vp->v_cache_dd = NULL;