From 2aa0d643fd488bd3261a55fac00f4defa2319b4d Mon Sep 17 00:00:00 2001 From: Mateusz Guzik Date: Mon, 12 Apr 2021 20:01:46 +0200 Subject: [PATCH] FreeBSD: use vnlru_free_vfsops if available Fixes issues when zfs is used along with other filesystems. External-issue: https://cgit.freebsd.org/src/commit/?id=e9272225e6bed840b00eef1c817b188c172338ee Reviewed-by: Ryan Moeller Signed-off-by: Mateusz Guzik Closes #11881 --- module/os/freebsd/zfs/arc_os.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/module/os/freebsd/zfs/arc_os.c b/module/os/freebsd/zfs/arc_os.c index 4fc7468bfa..201dbc4233 100644 --- a/module/os/freebsd/zfs/arc_os.c +++ b/module/os/freebsd/zfs/arc_os.c @@ -51,6 +51,11 @@ #include #include +#if __FreeBSD_version >= 1300139 +static struct sx arc_vnlru_lock; +static struct vnode *arc_vnlru_marker; +#endif + extern struct vfsops zfs_vfsops; uint_t zfs_arc_free_target = 0; @@ -157,7 +162,13 @@ arc_prune_task(void *arg) arc_reduce_target_size(ptob(nr_scan)); free(arg, M_TEMP); +#if __FreeBSD_version >= 1300139 + sx_xlock(&arc_vnlru_lock); + vnlru_free_vfsops(nr_scan, &zfs_vfsops, arc_vnlru_marker); + sx_xunlock(&arc_vnlru_lock); +#else vnlru_free(nr_scan, &zfs_vfsops); +#endif } /* @@ -234,7 +245,10 @@ arc_lowmem_init(void) { arc_event_lowmem = EVENTHANDLER_REGISTER(vm_lowmem, arc_lowmem, NULL, EVENTHANDLER_PRI_FIRST); - +#if __FreeBSD_version >= 1300139 + arc_vnlru_marker = vnlru_alloc_marker(); + sx_init(&arc_vnlru_lock, "arc vnlru lock"); +#endif } void @@ -242,6 +256,12 @@ arc_lowmem_fini(void) { if (arc_event_lowmem != NULL) EVENTHANDLER_DEREGISTER(vm_lowmem, arc_event_lowmem); +#if __FreeBSD_version >= 1300139 + if (arc_vnlru_marker != NULL) { + vnlru_free_marker(arc_vnlru_marker); + sx_destroy(&arc_vnlru_lock); + } +#endif } void