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| author | Mateusz Guzik <mjg@FreeBSD.org> | 2021-09-18 08:14:35 +0000 |
|---|---|---|
| committer | Mateusz Guzik <mjg@FreeBSD.org> | 2021-09-18 10:16:00 +0000 |
| commit | 5d8e32a66c1700323c570d25b03672f35f4e0110 (patch) | |
| tree | e41f6404da60b15004a9247b5a6b6c93d64911e4 | |
| parent | 007c2463d6d017ad5321d5cd2bc500e577d22196 (diff) | |
| download | src-5d8e32a66c1700323c570d25b03672f35f4e0110.tar.gz src-5d8e32a66c1700323c570d25b03672f35f4e0110.zip | |
vfs: retire VNODE_REFCOUNT_FENCE_* macros
They are unused as of last year.
| -rw-r--r-- | sys/kern/vfs_subr.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 23f6ec9cf3fd..33a556fbfa2b 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -122,22 +122,6 @@ static int v_inval_buf_range_locked(struct vnode *vp, struct bufobj *bo, static void vnlru_recalc(void); /* - * These fences are intended for cases where some synchronization is - * needed between access of v_iflags and lockless vnode refcount (v_holdcnt - * and v_usecount) updates. Access to v_iflags is generally synchronized - * by the interlock, but we have some internal assertions that check vnode - * flags without acquiring the lock. Thus, these fences are INVARIANTS-only - * for now. - */ -#ifdef INVARIANTS -#define VNODE_REFCOUNT_FENCE_ACQ() atomic_thread_fence_acq() -#define VNODE_REFCOUNT_FENCE_REL() atomic_thread_fence_rel() -#else -#define VNODE_REFCOUNT_FENCE_ACQ() -#define VNODE_REFCOUNT_FENCE_REL() -#endif - -/* * Number of vnodes in existence. Increased whenever getnewvnode() * allocates a new vnode, decreased in vdropl() for VIRF_DOOMED vnode. */ |