From a7929f31373497590f5884efbc7cde29104e94d5 Mon Sep 17 00:00:00 2001 From: Ryan Moeller Date: Wed, 15 Apr 2020 14:14:47 -0400 Subject: [PATCH] Update FreeBSD tunables Remove some obsolete legacy compat, rename some misnamed, and add some missing tunables for FreeBSD. Reviewed-by: Brian Behlendorf Signed-off-by: Ryan Moeller Closes #10203 --- include/os/linux/kernel/linux/mod_compat.h | 5 +- module/os/freebsd/zfs/arc_os.c | 47 +++++++++++++++--- module/os/freebsd/zfs/sysctl_os.c | 56 ++++++++++------------ module/zfs/ddt.c | 2 +- module/zfs/txg.c | 2 +- tests/zfs-tests/include/tunables.cfg | 2 +- 6 files changed, 71 insertions(+), 43 deletions(-) diff --git a/include/os/linux/kernel/linux/mod_compat.h b/include/os/linux/kernel/linux/mod_compat.h index 1a53c66e52..4b83fe4133 100644 --- a/include/os/linux/kernel/linux/mod_compat.h +++ b/include/os/linux/kernel/linux/mod_compat.h @@ -54,6 +54,7 @@ enum scope_prefix_types { zfs_dbuf, zfs_dbuf_cache, zfs_deadman, + zfs_dedup, zfs_l2arc, zfs_livelist, zfs_livelist_condense, @@ -67,13 +68,13 @@ enum scope_prefix_types { zfs_send, zfs_spa, zfs_trim, + zfs_txg, zfs_vdev, zfs_vdev_cache, zfs_vdev_mirror, zfs_zevent, zfs_zio, - zfs_zil, - spa + zfs_zil }; /* diff --git a/module/os/freebsd/zfs/arc_os.c b/module/os/freebsd/zfs/arc_os.c index f0c2724471..d7b842f84e 100644 --- a/module/os/freebsd/zfs/arc_os.c +++ b/module/os/freebsd/zfs/arc_os.c @@ -60,6 +60,46 @@ uint_t zfs_arc_free_target = 0; int64_t last_free_memory; free_memory_reason_t last_free_reason; +static void +arc_free_target_init(void *unused __unused) +{ + zfs_arc_free_target = vm_cnt.v_free_target; +} +SYSINIT(arc_free_target_init, SI_SUB_KTHREAD_PAGE, SI_ORDER_ANY, + arc_free_target_init, NULL); + +/* + * We don't have a tunable for arc_free_target due to the dependency on + * pagedaemon initialisation. + */ +static int +sysctl_vfs_zfs_arc_free_target(SYSCTL_HANDLER_ARGS) +{ + uint_t val; + int err; + + val = zfs_arc_free_target; + err = sysctl_handle_int(oidp, &val, 0, req); + if (err != 0 || req->newptr == NULL) + return (err); + + if (val < minfree) + return (EINVAL); + if (val > vm_cnt.v_page_count) + return (EINVAL); + + zfs_arc_free_target = val; + + return (0); +} +SYSCTL_DECL(_vfs_zfs); +/* BEGIN CSTYLED */ +SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_free_target, + CTLTYPE_UINT | CTLFLAG_MPSAFE | CTLFLAG_RW, 0, sizeof (uint_t), + sysctl_vfs_zfs_arc_free_target, "IU", + "Desired number of free pages below which ARC triggers reclaim"); +/* END CSTYLED */ + int64_t arc_available_memory(void) { @@ -67,7 +107,6 @@ arc_available_memory(void) int64_t n __unused; free_memory_reason_t r = FMR_UNKNOWN; -#ifdef _KERNEL /* * Cooperate with pagedaemon when it's time for it to scan * and reclaim some pages. @@ -115,12 +154,6 @@ arc_available_memory(void) } } -#else /* _KERNEL */ - /* Every 100 calls, free a small amount */ - if (spa_get_random(100) == 0) - lowest = -1024; -#endif /* _KERNEL */ - last_free_memory = lowest; last_free_reason = r; DTRACE_PROBE2(arc__available_memory, int64_t, lowest, int, r); diff --git a/module/os/freebsd/zfs/sysctl_os.c b/module/os/freebsd/zfs/sysctl_os.c index ea9c1b3f1f..544a889569 100644 --- a/module/os/freebsd/zfs/sysctl_os.c +++ b/module/os/freebsd/zfs/sysctl_os.c @@ -94,32 +94,35 @@ __FBSDID("$FreeBSD$"); /* BEGIN CSTYLED */ SYSCTL_DECL(_vfs_zfs); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, zevent, CTLFLAG_RW, 0, "ZFS events"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, zio, CTLFLAG_RW, 0, "ZFS ZIO"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, zil, CTLFLAG_RW, 0, "ZFS ZIL"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, vdev, CTLFLAG_RW, 0, "ZFS VDEV"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, trim, CTLFLAG_RW, 0, "ZFS TRIM"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, spa, CTLFLAG_RW, 0, "space allocation"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, reconstruct, CTLFLAG_RW, 0, "reconstruct"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, prefetch, CTLFLAG_RW, 0, "ZFS ZFETCH"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, multihost, CTLFLAG_RW, 0, "multihost protection"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, mg, CTLFLAG_RW, 0, "metaslab group"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, metaslab, CTLFLAG_RW, 0, "ZFS metaslab"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, lua, CTLFLAG_RW, 0, "lua"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, l2arc, CTLFLAG_RW, 0, "l2arc"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, arc, CTLFLAG_RW, 0, "ZFS adaptive replacement cache"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, condense, CTLFLAG_RW, 0, "ZFS condense"); SYSCTL_NODE(_vfs_zfs, OID_AUTO, dbuf, CTLFLAG_RW, 0, "ZFS disk buf cache"); SYSCTL_NODE(_vfs_zfs, OID_AUTO, dbuf_cache, CTLFLAG_RW, 0, "ZFS disk buf cache"); SYSCTL_NODE(_vfs_zfs, OID_AUTO, deadman, CTLFLAG_RW, 0, "ZFS deadman"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, condense, CTLFLAG_RW, 0, "ZFS condense"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, arc, CTLFLAG_RW, 0, "ZFS Adaptive Replacement Cache"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, dedup, CTLFLAG_RW, 0, "ZFS dedup"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, l2arc, CTLFLAG_RW, 0, "ZFS l2arc"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, livelist, CTLFLAG_RW, 0, "ZFS livelist"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, lua, CTLFLAG_RW, 0, "ZFS lua"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, metaslab, CTLFLAG_RW, 0, "ZFS metaslab"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, mg, CTLFLAG_RW, 0, "ZFS metaslab group"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, multihost, CTLFLAG_RW, 0, "ZFS multihost protection"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, prefetch, CTLFLAG_RW, 0, "ZFS prefetch"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, reconstruct, CTLFLAG_RW, 0, "ZFS reconstruct"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, recv, CTLFLAG_RW, 0, "ZFS receive"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, send, CTLFLAG_RW, 0, "ZFS send"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, spa, CTLFLAG_RW, 0, "ZFS space allocation"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, trim, CTLFLAG_RW, 0, "ZFS TRIM"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, txg, CTLFLAG_RW, 0, "ZFS transaction group"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, vdev, CTLFLAG_RW, 0, "ZFS VDEV"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, zevent, CTLFLAG_RW, 0, "ZFS event"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, zil, CTLFLAG_RW, 0, "ZFS ZIL"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, zio, CTLFLAG_RW, 0, "ZFS ZIO"); -SYSCTL_NODE(_vfs_zfs_vdev, OID_AUTO, mirror, CTLFLAG_RD, 0, - "ZFS VDEV Mirror"); +SYSCTL_NODE(_vfs_zfs_livelist, OID_AUTO, condense, CTLFLAG_RW, 0, + "ZFS livelist condense"); SYSCTL_NODE(_vfs_zfs_vdev, OID_AUTO, cache, CTLFLAG_RW, 0, "ZFS VDEV Cache"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, livelist, CTLFLAG_RW, 0, "livelist state"); -SYSCTL_NODE(_vfs_zfs_livelist, OID_AUTO, condense, CTLFLAG_RW, 0, "condense knobs"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, recv, CTLFLAG_RW, 0, "receive knobs"); -SYSCTL_NODE(_vfs_zfs, OID_AUTO, send, CTLFLAG_RW, 0, "send knobs"); +SYSCTL_NODE(_vfs_zfs_vdev, OID_AUTO, mirror, CTLFLAG_RD, 0, + "ZFS VDEV mirror"); SYSCTL_DECL(_vfs_zfs_version); SYSCTL_CONST_STRING(_vfs_zfs_version, OID_AUTO, module, CTLFLAG_RD, @@ -267,7 +270,7 @@ SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_no_grow_shift, CTLTYPE_U32 | CTLFLAG_RWTUN, /* dmu.c */ /* dmu_zfetch.c */ -SYSCTL_NODE(_vfs_zfs, OID_AUTO, zfetch, CTLFLAG_RW, 0, "ZFS ZFETCH"); +SYSCTL_NODE(_vfs_zfs, OID_AUTO, zfetch, CTLFLAG_RW, 0, "ZFS ZFETCH (LEGACY)"); /* max bytes to prefetch per stream (default 8MB) */ extern uint32_t zfetch_max_distance; @@ -295,15 +298,6 @@ SYSCTL_INT(_vfs_zfs, OID_AUTO, default_ibs, CTLFLAG_RWTUN, /* metaslab.c */ -/* - * Enable/disable lba weighting (i.e. outer tracks are given preference). - */ -extern boolean_t metaslab_lba_weighting_enabled; -SYSCTL_INT(_vfs_zfs_metaslab, OID_AUTO, lba_weighting, CTLFLAG_RWTUN, - &metaslab_lba_weighting_enabled, 0, - "Enable LBA weighting (i.e. outer tracks are given preference)"); - - /* * In pools where the log space map feature is not enabled we touch * multiple metaslabs (and their respective space maps) with each diff --git a/module/zfs/ddt.c b/module/zfs/ddt.c index 5e7b31c763..5dcb36ce6f 100644 --- a/module/zfs/ddt.c +++ b/module/zfs/ddt.c @@ -1188,6 +1188,6 @@ ddt_walk(spa_t *spa, ddt_bookmark_t *ddb, ddt_entry_t *dde) } /* BEGIN CSTYLED */ -ZFS_MODULE_PARAM(zfs, zfs_, dedup_prefetch, INT, ZMOD_RW, +ZFS_MODULE_PARAM(zfs_dedup, zfs_dedup_, prefetch, INT, ZMOD_RW, "Enable prefetching dedup-ed blks"); /* END CSTYLED */ diff --git a/module/zfs/txg.c b/module/zfs/txg.c index 8d1c2a5c8b..2284234feb 100644 --- a/module/zfs/txg.c +++ b/module/zfs/txg.c @@ -1054,6 +1054,6 @@ EXPORT_SYMBOL(txg_stalled); EXPORT_SYMBOL(txg_sync_waiting); /* BEGIN CSTYLED */ -ZFS_MODULE_PARAM(zfs, zfs_, txg_timeout, INT, ZMOD_RW, +ZFS_MODULE_PARAM(zfs_txg, zfs_txg_, timeout, INT, ZMOD_RW, "Max seconds worth of delta per txg"); /* END CSTYLED */ diff --git a/tests/zfs-tests/include/tunables.cfg b/tests/zfs-tests/include/tunables.cfg index d7bd44b603..f85b156586 100644 --- a/tests/zfs-tests/include/tunables.cfg +++ b/tests/zfs-tests/include/tunables.cfg @@ -71,7 +71,7 @@ TRIM_EXTENT_BYTES_MIN trim.extent_bytes_min zfs_trim_extent_bytes_min TRIM_METASLAB_SKIP trim.metaslab_skip zfs_trim_metaslab_skip TRIM_TXG_BATCH trim.txg_batch zfs_trim_txg_batch TXG_HISTORY UNSUPPORTED zfs_txg_history -TXG_TIMEOUT txg_timeout zfs_txg_timeout +TXG_TIMEOUT txg.timeout zfs_txg_timeout UNLINK_SUSPEND_PROGRESS UNSUPPORTED zfs_unlink_suspend_progress VDEV_MIN_MS_COUNT vdev.min_ms_count zfs_vdev_min_ms_count VDEV_VALIDATE_SKIP vdev.validate_skip vdev_validate_skip