Author: mjg
Date: Wed Sep 30 04:27:38 2020
New Revision: 366283
URL: https://svnweb.freebsd.org/changeset/base/366283
Log:
cache: use cache_has_entries where appropriate instead of opencoding it
Modified:
head/sys/kern/vfs_cache.c
Modified: head/sys/kern/vfs_cache.c
==============================================================================
--- head/sys/kern/vfs_cache.c Wed Sep 30 03:38:13 2020 (r366282)
+++ head/sys/kern/vfs_cache.c Wed Sep 30 04:27:38 2020 (r366283)
@@ -2240,8 +2240,7 @@ cache_purge_vgone(struct vnode *vp)
VNPASS(VN_IS_DOOMED(vp), vp);
vlp = VP2VNODELOCK(vp);
- if (!(LIST_EMPTY(&vp->v_cache_src) && TAILQ_EMPTY(&vp->v_cache_dst) &&
- vp->v_cache_dd == NULL)) {
+ if (cache_has_entries(vp)) {
mtx_lock(vlp);
cache_purge_impl(vp);
mtx_assert(vlp, MA_NOTOWNED);
@@ -2249,12 +2248,10 @@ cache_purge_vgone(struct vnode *vp)
}
/*
- * All the NULL pointer state we found above may be transient.
- * Serialize against a possible thread doing cache_purge.
+ * Serialize against a potential thread doing cache_purge.
*/
mtx_wait_unlocked(vlp);
- if (!(LIST_EMPTY(&vp->v_cache_src) && TAILQ_EMPTY(&vp->v_cache_dst) &&
- vp->v_cache_dd == NULL)) {
+ if (cache_has_entries(vp)) {
mtx_lock(vlp);
cache_purge_impl(vp);
mtx_assert(vlp, MA_NOTOWNED);
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