Date: Mon, 6 Oct 2025 18:23:07 GMT From: Mateusz Guzik <mjg@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 84f981ba57e7 - main - nullfs: shrink null_node to 32 bytes Message-ID: <202510061823.596IN7oZ084715@gitrepo.freebsd.org>
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The branch main has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=84f981ba57e77bd3c3d0fbf1469ce51bfd132a6b commit 84f981ba57e77bd3c3d0fbf1469ce51bfd132a6b Author: Mateusz Guzik <mjg@FreeBSD.org> AuthorDate: 2025-10-06 17:59:17 +0000 Commit: Mateusz Guzik <mjg@FreeBSD.org> CommitDate: 2025-10-06 18:23:01 +0000 nullfs: shrink null_node to 32 bytes --- sys/fs/nullfs/null.h | 2 +- sys/fs/nullfs/null_subr.c | 12 +++++++----- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/sys/fs/nullfs/null.h b/sys/fs/nullfs/null.h index aa7a689bec34..ad3f7779e108 100644 --- a/sys/fs/nullfs/null.h +++ b/sys/fs/nullfs/null.h @@ -53,7 +53,7 @@ struct null_mount { * A cache of vnode references */ struct null_node { - CK_LIST_ENTRY(null_node) null_hash; /* Hash list */ + CK_SLIST_ENTRY(null_node) null_hash; /* Hash list */ struct vnode *null_lowervp; /* VREFed once */ struct vnode *null_vnode; /* Back pointer */ u_int null_flags; diff --git a/sys/fs/nullfs/null_subr.c b/sys/fs/nullfs/null_subr.c index ad8cd08279cc..bb0ff9966dfd 100644 --- a/sys/fs/nullfs/null_subr.c +++ b/sys/fs/nullfs/null_subr.c @@ -59,7 +59,7 @@ VFS_SMR_DECLARE; #define NULL_NHASH(vp) (&null_node_hashtbl[vfs_hash_index(vp) & null_hash_mask]) -static CK_LIST_HEAD(null_node_hashhead, null_node) *null_node_hashtbl; +static CK_SLIST_HEAD(null_node_hashhead, null_node) *null_node_hashtbl; static struct rwlock null_hash_lock; static u_long null_hash_mask; @@ -116,7 +116,7 @@ null_hashget_locked(struct mount *mp, struct vnode *lowervp) * reference count (but NOT the lower vnode's VREF counter). */ hd = NULL_NHASH(lowervp); - CK_LIST_FOREACH(a, hd, null_hash) { + CK_SLIST_FOREACH(a, hd, null_hash) { if (a->null_lowervp != lowervp) continue; /* @@ -148,7 +148,7 @@ null_hashget(struct mount *mp, struct vnode *lowervp) vfs_smr_enter(); hd = NULL_NHASH(lowervp); - CK_LIST_FOREACH(a, hd, null_hash) { + CK_SLIST_FOREACH(a, hd, null_hash) { if (a->null_lowervp != lowervp) continue; /* @@ -189,7 +189,7 @@ null_hashins(struct mount *mp, struct null_node *xp) } } #endif - CK_LIST_INSERT_HEAD(hd, xp, null_hash); + CK_SLIST_INSERT_HEAD(hd, xp, null_hash); } static void @@ -305,9 +305,11 @@ null_nodeget(struct mount *mp, struct vnode *lowervp, struct vnode **vpp) void null_hashrem(struct null_node *xp) { + struct null_node_hashhead *hd; + hd = NULL_NHASH(xp->null_lowervp); rw_wlock(&null_hash_lock); - CK_LIST_REMOVE(xp, null_hash); + CK_SLIST_REMOVE(hd, xp, null_node, null_hash); rw_wunlock(&null_hash_lock); }
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