git: 13a21c0c0e3d - main - VOP_WRITE_POST(): correct condition for knote activation

From: Konstantin Belousov <kib_at_FreeBSD.org>
Date: Mon, 07 Jul 2025 13:45:12 UTC
The branch main has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=13a21c0c0e3db6e2c1a317031c7d1bf4651bec3d

commit 13a21c0c0e3db6e2c1a317031c7d1bf4651bec3d
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2025-07-07 12:51:24 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2025-07-07 13:44:21 +0000

    VOP_WRITE_POST(): correct condition for knote activation
    
    Fixes:  bc4430dc203ed7b6765fb5df041bf545c50f859b
    Reported by:    dhw, Oleg Nauman <oleg.nauman@gmail.com>
    Sponsored by:   The FreeBSD Foundation
---
 sys/sys/vnode.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/sys/vnode.h b/sys/sys/vnode.h
index 3ed469bdce6d..2c6947103c94 100644
--- a/sys/sys/vnode.h
+++ b/sys/sys/vnode.h
@@ -1032,7 +1032,7 @@ void	vop_rename_fail(struct vop_rename_args *ap);
 #define VOP_WRITE_POST(ap, ret)						\
 	noffset = (ap)->a_uio->uio_offset;				\
 	if (noffset > ooffset) {					\
-		if (VN_KNLIST_EMPTY((ap)->a_vp)) {			\
+		if (!VN_KNLIST_EMPTY((ap)->a_vp)) {			\
 			VFS_KNOTE_LOCKED((ap)->a_vp, NOTE_WRITE |	\
 			    (noffset > osize ? NOTE_EXTEND : 0));	\
 		}							\