D8030.1794834721.diff
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	Index: sys/kern/vfs_syscalls.c
	===================================================================
	--- sys/kern/vfs_syscalls.c
	+++ sys/kern/vfs_syscalls.c
	@@ -480,10 +480,14 @@
	continue;
	}
	#endif
	- if (vfs_busy(mp, MBF_NOWAIT \| MBF_MNTLSTLOCK)) {
	+ vfs_ref(mp);
	+ if (vfs_busy(mp, (flags == MNT_WAIT ? 0 : MBF_NOWAIT) \|
	+ MBF_MNTLSTLOCK)) {
	nmp = TAILQ_NEXT(mp, mnt_list);
	+ vfs_rel(mp);
	continue;
	}
	+ vfs_rel(mp);
	if (sfsp && count < maxcount) {
	sp = &mp->mnt_stat;
	/*