diff options
Diffstat (limited to 'module/zfs/arc.c')
| -rw-r--r-- | module/zfs/arc.c | 314 |
1 files changed, 163 insertions, 151 deletions
diff --git a/module/zfs/arc.c b/module/zfs/arc.c index cd094f39e..ae912ee6e 100644 --- a/module/zfs/arc.c +++ b/module/zfs/arc.c @@ -1272,7 +1272,7 @@ hdr_full_cons(void *vbuf, void *unused, int kmflag) bzero(hdr, HDR_FULL_SIZE); hdr->b_l1hdr.b_byteswap = DMU_BSWAP_NUMFUNCS; cv_init(&hdr->b_l1hdr.b_cv, NULL, CV_DEFAULT, NULL); - refcount_create(&hdr->b_l1hdr.b_refcnt); + zfs_refcount_create(&hdr->b_l1hdr.b_refcnt); mutex_init(&hdr->b_l1hdr.b_freeze_lock, NULL, MUTEX_DEFAULT, NULL); list_link_init(&hdr->b_l1hdr.b_arc_node); list_link_init(&hdr->b_l2hdr.b_l2node); @@ -1332,7 +1332,7 @@ hdr_full_dest(void *vbuf, void *unused) ASSERT(HDR_EMPTY(hdr)); cv_destroy(&hdr->b_l1hdr.b_cv); - refcount_destroy(&hdr->b_l1hdr.b_refcnt); + zfs_refcount_destroy(&hdr->b_l1hdr.b_refcnt); mutex_destroy(&hdr->b_l1hdr.b_freeze_lock); ASSERT(!multilist_link_active(&hdr->b_l1hdr.b_arc_node)); arc_space_return(HDR_FULL_SIZE, ARC_SPACE_HDRS); @@ -2318,18 +2318,18 @@ arc_evictable_space_increment(arc_buf_hdr_t *hdr, arc_state_t *state) ASSERT3P(hdr->b_l1hdr.b_buf, ==, NULL); ASSERT3P(hdr->b_l1hdr.b_pabd, ==, NULL); ASSERT(!HDR_HAS_RABD(hdr)); - (void) refcount_add_many(&state->arcs_esize[type], + (void) zfs_refcount_add_many(&state->arcs_esize[type], HDR_GET_LSIZE(hdr), hdr); return; } ASSERT(!GHOST_STATE(state)); if (hdr->b_l1hdr.b_pabd != NULL) { - (void) refcount_add_many(&state->arcs_esize[type], + (void) zfs_refcount_add_many(&state->arcs_esize[type], arc_hdr_size(hdr), hdr); } if (HDR_HAS_RABD(hdr)) { - (void) refcount_add_many(&state->arcs_esize[type], + (void) zfs_refcount_add_many(&state->arcs_esize[type], HDR_GET_PSIZE(hdr), hdr); } @@ -2337,7 +2337,7 @@ arc_evictable_space_increment(arc_buf_hdr_t *hdr, arc_state_t *state) buf = buf->b_next) { if (arc_buf_is_shared(buf)) continue; - (void) refcount_add_many(&state->arcs_esize[type], + (void) zfs_refcount_add_many(&state->arcs_esize[type], arc_buf_size(buf), buf); } } @@ -2359,18 +2359,18 @@ arc_evictable_space_decrement(arc_buf_hdr_t *hdr, arc_state_t *state) ASSERT3P(hdr->b_l1hdr.b_buf, ==, NULL); ASSERT3P(hdr->b_l1hdr.b_pabd, ==, NULL); ASSERT(!HDR_HAS_RABD(hdr)); - (void) refcount_remove_many(&state->arcs_esize[type], + (void) zfs_refcount_remove_many(&state->arcs_esize[type], HDR_GET_LSIZE(hdr), hdr); return; } ASSERT(!GHOST_STATE(state)); if (hdr->b_l1hdr.b_pabd != NULL) { - (void) refcount_remove_many(&state->arcs_esize[type], + (void) zfs_refcount_remove_many(&state->arcs_esize[type], arc_hdr_size(hdr), hdr); } if (HDR_HAS_RABD(hdr)) { - (void) refcount_remove_many(&state->arcs_esize[type], + (void) zfs_refcount_remove_many(&state->arcs_esize[type], HDR_GET_PSIZE(hdr), hdr); } @@ -2378,7 +2378,7 @@ arc_evictable_space_decrement(arc_buf_hdr_t *hdr, arc_state_t *state) buf = buf->b_next) { if (arc_buf_is_shared(buf)) continue; - (void) refcount_remove_many(&state->arcs_esize[type], + (void) zfs_refcount_remove_many(&state->arcs_esize[type], arc_buf_size(buf), buf); } } @@ -2397,7 +2397,7 @@ add_reference(arc_buf_hdr_t *hdr, void *tag) ASSERT(HDR_HAS_L1HDR(hdr)); if (!MUTEX_HELD(HDR_LOCK(hdr))) { ASSERT(hdr->b_l1hdr.b_state == arc_anon); - ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + ASSERT(zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); ASSERT3P(hdr->b_l1hdr.b_buf, ==, NULL); } @@ -2435,7 +2435,7 @@ remove_reference(arc_buf_hdr_t *hdr, kmutex_t *hash_lock, void *tag) * arc_l2c_only counts as a ghost state so we don't need to explicitly * check to prevent usage of the arc_l2c_only list. */ - if (((cnt = refcount_remove(&hdr->b_l1hdr.b_refcnt, tag)) == 0) && + if (((cnt = zfs_refcount_remove(&hdr->b_l1hdr.b_refcnt, tag)) == 0) && (state != arc_anon)) { multilist_insert(state->arcs_list[arc_buf_type(hdr)], hdr); ASSERT3U(hdr->b_l1hdr.b_bufcnt, >, 0); @@ -2480,7 +2480,7 @@ arc_buf_info(arc_buf_t *ab, arc_buf_info_t *abi, int state_index) abi->abi_mru_ghost_hits = l1hdr->b_mru_ghost_hits; abi->abi_mfu_hits = l1hdr->b_mfu_hits; abi->abi_mfu_ghost_hits = l1hdr->b_mfu_ghost_hits; - abi->abi_holds = refcount_count(&l1hdr->b_refcnt); + abi->abi_holds = zfs_refcount_count(&l1hdr->b_refcnt); } if (l2hdr) { @@ -2516,7 +2516,7 @@ arc_change_state(arc_state_t *new_state, arc_buf_hdr_t *hdr, */ if (HDR_HAS_L1HDR(hdr)) { old_state = hdr->b_l1hdr.b_state; - refcnt = refcount_count(&hdr->b_l1hdr.b_refcnt); + refcnt = zfs_refcount_count(&hdr->b_l1hdr.b_refcnt); bufcnt = hdr->b_l1hdr.b_bufcnt; update_old = (bufcnt > 0 || hdr->b_l1hdr.b_pabd != NULL || HDR_HAS_RABD(hdr)); @@ -2586,7 +2586,7 @@ arc_change_state(arc_state_t *new_state, arc_buf_hdr_t *hdr, * the reference. As a result, we use the arc * header pointer for the reference. */ - (void) refcount_add_many(&new_state->arcs_size, + (void) zfs_refcount_add_many(&new_state->arcs_size, HDR_GET_LSIZE(hdr), hdr); ASSERT3P(hdr->b_l1hdr.b_pabd, ==, NULL); ASSERT(!HDR_HAS_RABD(hdr)); @@ -2613,18 +2613,21 @@ arc_change_state(arc_state_t *new_state, arc_buf_hdr_t *hdr, if (arc_buf_is_shared(buf)) continue; - (void) refcount_add_many(&new_state->arcs_size, + (void) zfs_refcount_add_many( + &new_state->arcs_size, arc_buf_size(buf), buf); } ASSERT3U(bufcnt, ==, buffers); if (hdr->b_l1hdr.b_pabd != NULL) { - (void) refcount_add_many(&new_state->arcs_size, + (void) zfs_refcount_add_many( + &new_state->arcs_size, arc_hdr_size(hdr), hdr); } if (HDR_HAS_RABD(hdr)) { - (void) refcount_add_many(&new_state->arcs_size, + (void) zfs_refcount_add_many( + &new_state->arcs_size, HDR_GET_PSIZE(hdr), hdr); } } @@ -2645,7 +2648,7 @@ arc_change_state(arc_state_t *new_state, arc_buf_hdr_t *hdr, * header on the ghost state. */ - (void) refcount_remove_many(&old_state->arcs_size, + (void) zfs_refcount_remove_many(&old_state->arcs_size, HDR_GET_LSIZE(hdr), hdr); } else { uint32_t buffers = 0; @@ -2670,7 +2673,7 @@ arc_change_state(arc_state_t *new_state, arc_buf_hdr_t *hdr, if (arc_buf_is_shared(buf)) continue; - (void) refcount_remove_many( + (void) zfs_refcount_remove_many( &old_state->arcs_size, arc_buf_size(buf), buf); } @@ -2679,13 +2682,13 @@ arc_change_state(arc_state_t *new_state, arc_buf_hdr_t *hdr, HDR_HAS_RABD(hdr)); if (hdr->b_l1hdr.b_pabd != NULL) { - (void) refcount_remove_many( + (void) zfs_refcount_remove_many( &old_state->arcs_size, arc_hdr_size(hdr), hdr); } if (HDR_HAS_RABD(hdr)) { - (void) refcount_remove_many( + (void) zfs_refcount_remove_many( &old_state->arcs_size, HDR_GET_PSIZE(hdr), hdr); } @@ -2998,7 +3001,7 @@ arc_return_buf(arc_buf_t *buf, void *tag) ASSERT3P(buf->b_data, !=, NULL); ASSERT(HDR_HAS_L1HDR(hdr)); (void) zfs_refcount_add(&hdr->b_l1hdr.b_refcnt, tag); - (void) refcount_remove(&hdr->b_l1hdr.b_refcnt, arc_onloan_tag); + (void) zfs_refcount_remove(&hdr->b_l1hdr.b_refcnt, arc_onloan_tag); arc_loaned_bytes_update(-arc_buf_size(buf)); } @@ -3012,7 +3015,7 @@ arc_loan_inuse_buf(arc_buf_t *buf, void *tag) ASSERT3P(buf->b_data, !=, NULL); ASSERT(HDR_HAS_L1HDR(hdr)); (void) zfs_refcount_add(&hdr->b_l1hdr.b_refcnt, arc_onloan_tag); - (void) refcount_remove(&hdr->b_l1hdr.b_refcnt, tag); + (void) zfs_refcount_remove(&hdr->b_l1hdr.b_refcnt, tag); arc_loaned_bytes_update(arc_buf_size(buf)); } @@ -3039,13 +3042,13 @@ arc_hdr_free_on_write(arc_buf_hdr_t *hdr, boolean_t free_rdata) /* protected by hash lock, if in the hash table */ if (multilist_link_active(&hdr->b_l1hdr.b_arc_node)) { - ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + ASSERT(zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); ASSERT(state != arc_anon && state != arc_l2c_only); - (void) refcount_remove_many(&state->arcs_esize[type], + (void) zfs_refcount_remove_many(&state->arcs_esize[type], size, hdr); } - (void) refcount_remove_many(&state->arcs_size, size, hdr); + (void) zfs_refcount_remove_many(&state->arcs_size, size, hdr); if (type == ARC_BUFC_METADATA) { arc_space_return(size, ARC_SPACE_META); } else { @@ -3078,7 +3081,8 @@ arc_share_buf(arc_buf_hdr_t *hdr, arc_buf_t *buf) * refcount ownership to the hdr since it always owns * the refcount whenever an arc_buf_t is shared. */ - refcount_transfer_ownership(&hdr->b_l1hdr.b_state->arcs_size, buf, hdr); + zfs_refcount_transfer_ownership(&hdr->b_l1hdr.b_state->arcs_size, + buf, hdr); hdr->b_l1hdr.b_pabd = abd_get_from_buf(buf->b_data, arc_buf_size(buf)); abd_take_ownership_of_buf(hdr->b_l1hdr.b_pabd, HDR_ISTYPE_METADATA(hdr)); @@ -3106,7 +3110,8 @@ arc_unshare_buf(arc_buf_hdr_t *hdr, arc_buf_t *buf) * We are no longer sharing this buffer so we need * to transfer its ownership to the rightful owner. */ - refcount_transfer_ownership(&hdr->b_l1hdr.b_state->arcs_size, hdr, buf); + zfs_refcount_transfer_ownership(&hdr->b_l1hdr.b_state->arcs_size, + hdr, buf); arc_hdr_clear_flags(hdr, ARC_FLAG_SHARED_DATA); abd_release_ownership_of_buf(hdr->b_l1hdr.b_pabd); abd_put(hdr->b_l1hdr.b_pabd); @@ -3376,7 +3381,7 @@ arc_hdr_alloc(uint64_t spa, int32_t psize, int32_t lsize, * it references and compressed arc enablement. */ arc_hdr_alloc_abd(hdr, alloc_rdata); - ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + ASSERT(zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); return (hdr); } @@ -3483,8 +3488,10 @@ arc_hdr_realloc(arc_buf_hdr_t *hdr, kmem_cache_t *old, kmem_cache_t *new) * the wrong pointer address when calling arc_hdr_destroy() later. */ - (void) refcount_remove_many(&dev->l2ad_alloc, arc_hdr_size(hdr), hdr); - (void) refcount_add_many(&dev->l2ad_alloc, arc_hdr_size(nhdr), nhdr); + (void) zfs_refcount_remove_many(&dev->l2ad_alloc, + arc_hdr_size(hdr), hdr); + (void) zfs_refcount_add_many(&dev->l2ad_alloc, + arc_hdr_size(nhdr), nhdr); buf_discard_identity(hdr); kmem_cache_free(old, hdr); @@ -3570,9 +3577,9 @@ arc_hdr_realloc_crypt(arc_buf_hdr_t *hdr, boolean_t need_crypt) mutex_exit(&buf->b_evict_lock); } - refcount_transfer(&nhdr->b_l1hdr.b_refcnt, &hdr->b_l1hdr.b_refcnt); - (void) refcount_remove(&nhdr->b_l1hdr.b_refcnt, FTAG); - ASSERT0(refcount_count(&hdr->b_l1hdr.b_refcnt)); + zfs_refcount_transfer(&nhdr->b_l1hdr.b_refcnt, &hdr->b_l1hdr.b_refcnt); + (void) zfs_refcount_remove(&nhdr->b_l1hdr.b_refcnt, FTAG); + ASSERT0(zfs_refcount_count(&hdr->b_l1hdr.b_refcnt)); if (need_crypt) { arc_hdr_set_flags(nhdr, ARC_FLAG_PROTECTED); @@ -3770,7 +3777,7 @@ arc_hdr_l2hdr_destroy(arc_buf_hdr_t *hdr) vdev_space_update(dev->l2ad_vdev, -psize, 0, 0); - (void) refcount_remove_many(&dev->l2ad_alloc, psize, hdr); + (void) zfs_refcount_remove_many(&dev->l2ad_alloc, psize, hdr); arc_hdr_clear_flags(hdr, ARC_FLAG_HAS_L2HDR); } @@ -3780,7 +3787,7 @@ arc_hdr_destroy(arc_buf_hdr_t *hdr) if (HDR_HAS_L1HDR(hdr)) { ASSERT(hdr->b_l1hdr.b_buf == NULL || hdr->b_l1hdr.b_bufcnt > 0); - ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + ASSERT(zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); ASSERT3P(hdr->b_l1hdr.b_state, ==, arc_anon); } ASSERT(!HDR_IO_IN_PROGRESS(hdr)); @@ -3945,7 +3952,7 @@ arc_evict_hdr(arc_buf_hdr_t *hdr, kmutex_t *hash_lock) return (bytes_evicted); } - ASSERT0(refcount_count(&hdr->b_l1hdr.b_refcnt)); + ASSERT0(zfs_refcount_count(&hdr->b_l1hdr.b_refcnt)); while (hdr->b_l1hdr.b_buf) { arc_buf_t *buf = hdr->b_l1hdr.b_buf; if (!mutex_tryenter(&buf->b_evict_lock)) { @@ -4264,7 +4271,7 @@ arc_flush_state(arc_state_t *state, uint64_t spa, arc_buf_contents_t type, { uint64_t evicted = 0; - while (refcount_count(&state->arcs_esize[type]) != 0) { + while (zfs_refcount_count(&state->arcs_esize[type]) != 0) { evicted += arc_evict_state(state, spa, ARC_EVICT_ALL, type); if (!retry) @@ -4287,7 +4294,7 @@ arc_prune_task(void *ptr) if (func != NULL) func(ap->p_adjust, ap->p_private); - refcount_remove(&ap->p_refcnt, func); + zfs_refcount_remove(&ap->p_refcnt, func); } /* @@ -4310,14 +4317,14 @@ arc_prune_async(int64_t adjust) for (ap = list_head(&arc_prune_list); ap != NULL; ap = list_next(&arc_prune_list, ap)) { - if (refcount_count(&ap->p_refcnt) >= 2) + if (zfs_refcount_count(&ap->p_refcnt) >= 2) continue; zfs_refcount_add(&ap->p_refcnt, ap->p_pfunc); ap->p_adjust = adjust; if (taskq_dispatch(arc_prune_taskq, arc_prune_task, ap, TQ_SLEEP) == TASKQID_INVALID) { - refcount_remove(&ap->p_refcnt, ap->p_pfunc); + zfs_refcount_remove(&ap->p_refcnt, ap->p_pfunc); continue; } ARCSTAT_BUMP(arcstat_prune); @@ -4339,8 +4346,9 @@ arc_adjust_impl(arc_state_t *state, uint64_t spa, int64_t bytes, { int64_t delta; - if (bytes > 0 && refcount_count(&state->arcs_esize[type]) > 0) { - delta = MIN(refcount_count(&state->arcs_esize[type]), bytes); + if (bytes > 0 && zfs_refcount_count(&state->arcs_esize[type]) > 0) { + delta = MIN(zfs_refcount_count(&state->arcs_esize[type]), + bytes); return (arc_evict_state(state, spa, delta, type)); } @@ -4383,8 +4391,9 @@ restart: */ adjustmnt = meta_used - arc_meta_limit; - if (adjustmnt > 0 && refcount_count(&arc_mru->arcs_esize[type]) > 0) { - delta = MIN(refcount_count(&arc_mru->arcs_esize[type]), + if (adjustmnt > 0 && + zfs_refcount_count(&arc_mru->arcs_esize[type]) > 0) { + delta = MIN(zfs_refcount_count(&arc_mru->arcs_esize[type]), adjustmnt); total_evicted += arc_adjust_impl(arc_mru, 0, delta, type); adjustmnt -= delta; @@ -4400,8 +4409,9 @@ restart: * simply decrement the amount of data evicted from the MRU. */ - if (adjustmnt > 0 && refcount_count(&arc_mfu->arcs_esize[type]) > 0) { - delta = MIN(refcount_count(&arc_mfu->arcs_esize[type]), + if (adjustmnt > 0 && + zfs_refcount_count(&arc_mfu->arcs_esize[type]) > 0) { + delta = MIN(zfs_refcount_count(&arc_mfu->arcs_esize[type]), adjustmnt); total_evicted += arc_adjust_impl(arc_mfu, 0, delta, type); } @@ -4409,17 +4419,17 @@ restart: adjustmnt = meta_used - arc_meta_limit; if (adjustmnt > 0 && - refcount_count(&arc_mru_ghost->arcs_esize[type]) > 0) { + zfs_refcount_count(&arc_mru_ghost->arcs_esize[type]) > 0) { delta = MIN(adjustmnt, - refcount_count(&arc_mru_ghost->arcs_esize[type])); + zfs_refcount_count(&arc_mru_ghost->arcs_esize[type])); total_evicted += arc_adjust_impl(arc_mru_ghost, 0, delta, type); adjustmnt -= delta; } if (adjustmnt > 0 && - refcount_count(&arc_mfu_ghost->arcs_esize[type]) > 0) { + zfs_refcount_count(&arc_mfu_ghost->arcs_esize[type]) > 0) { delta = MIN(adjustmnt, - refcount_count(&arc_mfu_ghost->arcs_esize[type])); + zfs_refcount_count(&arc_mfu_ghost->arcs_esize[type])); total_evicted += arc_adjust_impl(arc_mfu_ghost, 0, delta, type); } @@ -4468,8 +4478,8 @@ arc_adjust_meta_only(uint64_t meta_used) * evict some from the MRU here, and some from the MFU below. */ target = MIN((int64_t)(meta_used - arc_meta_limit), - (int64_t)(refcount_count(&arc_anon->arcs_size) + - refcount_count(&arc_mru->arcs_size) - arc_p)); + (int64_t)(zfs_refcount_count(&arc_anon->arcs_size) + + zfs_refcount_count(&arc_mru->arcs_size) - arc_p)); total_evicted += arc_adjust_impl(arc_mru, 0, target, ARC_BUFC_METADATA); @@ -4479,7 +4489,7 @@ arc_adjust_meta_only(uint64_t meta_used) * space allotted to the MFU (which is defined as arc_c - arc_p). */ target = MIN((int64_t)(meta_used - arc_meta_limit), - (int64_t)(refcount_count(&arc_mfu->arcs_size) - + (int64_t)(zfs_refcount_count(&arc_mfu->arcs_size) - (arc_c - arc_p))); total_evicted += arc_adjust_impl(arc_mfu, 0, target, ARC_BUFC_METADATA); @@ -4600,8 +4610,8 @@ arc_adjust(void) * arc_p here, and then evict more from the MFU below. */ target = MIN((int64_t)(asize - arc_c), - (int64_t)(refcount_count(&arc_anon->arcs_size) + - refcount_count(&arc_mru->arcs_size) + ameta - arc_p)); + (int64_t)(zfs_refcount_count(&arc_anon->arcs_size) + + zfs_refcount_count(&arc_mru->arcs_size) + ameta - arc_p)); /* * If we're below arc_meta_min, always prefer to evict data. @@ -4692,8 +4702,8 @@ arc_adjust(void) * cache. The following logic enforces these limits on the ghost * caches, and evicts from them as needed. */ - target = refcount_count(&arc_mru->arcs_size) + - refcount_count(&arc_mru_ghost->arcs_size) - arc_c; + target = zfs_refcount_count(&arc_mru->arcs_size) + + zfs_refcount_count(&arc_mru_ghost->arcs_size) - arc_c; bytes = arc_adjust_impl(arc_mru_ghost, 0, target, ARC_BUFC_DATA); total_evicted += bytes; @@ -4711,8 +4721,8 @@ arc_adjust(void) * mru + mfu + mru ghost + mfu ghost <= 2 * arc_c * mru ghost + mfu ghost <= arc_c */ - target = refcount_count(&arc_mru_ghost->arcs_size) + - refcount_count(&arc_mfu_ghost->arcs_size) - arc_c; + target = zfs_refcount_count(&arc_mru_ghost->arcs_size) + + zfs_refcount_count(&arc_mfu_ghost->arcs_size) - arc_c; bytes = arc_adjust_impl(arc_mfu_ghost, 0, target, ARC_BUFC_DATA); total_evicted += bytes; @@ -5216,10 +5226,10 @@ arc_evictable_memory(void) { int64_t asize = aggsum_value(&arc_size); uint64_t arc_clean = - refcount_count(&arc_mru->arcs_esize[ARC_BUFC_DATA]) + - refcount_count(&arc_mru->arcs_esize[ARC_BUFC_METADATA]) + - refcount_count(&arc_mfu->arcs_esize[ARC_BUFC_DATA]) + - refcount_count(&arc_mfu->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_count(&arc_mru->arcs_esize[ARC_BUFC_DATA]) + + zfs_refcount_count(&arc_mru->arcs_esize[ARC_BUFC_METADATA]) + + zfs_refcount_count(&arc_mfu->arcs_esize[ARC_BUFC_DATA]) + + zfs_refcount_count(&arc_mfu->arcs_esize[ARC_BUFC_METADATA]); uint64_t arc_dirty = MAX((int64_t)asize - (int64_t)arc_clean, 0); /* @@ -5326,8 +5336,8 @@ arc_adapt(int bytes, arc_state_t *state) { int mult; uint64_t arc_p_min = (arc_c >> arc_p_min_shift); - int64_t mrug_size = refcount_count(&arc_mru_ghost->arcs_size); - int64_t mfug_size = refcount_count(&arc_mfu_ghost->arcs_size); + int64_t mrug_size = zfs_refcount_count(&arc_mru_ghost->arcs_size); + int64_t mfug_size = zfs_refcount_count(&arc_mfu_ghost->arcs_size); if (state == arc_l2c_only) return; @@ -5502,7 +5512,7 @@ arc_get_data_impl(arc_buf_hdr_t *hdr, uint64_t size, void *tag) */ if (!GHOST_STATE(state)) { - (void) refcount_add_many(&state->arcs_size, size, tag); + (void) zfs_refcount_add_many(&state->arcs_size, size, tag); /* * If this is reached via arc_read, the link is @@ -5514,8 +5524,8 @@ arc_get_data_impl(arc_buf_hdr_t *hdr, uint64_t size, void *tag) * trying to [add|remove]_reference it. */ if (multilist_link_active(&hdr->b_l1hdr.b_arc_node)) { - ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); - (void) refcount_add_many(&state->arcs_esize[type], + ASSERT(zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + (void) zfs_refcount_add_many(&state->arcs_esize[type], size, tag); } @@ -5525,8 +5535,8 @@ arc_get_data_impl(arc_buf_hdr_t *hdr, uint64_t size, void *tag) */ if (aggsum_compare(&arc_size, arc_c) < 0 && hdr->b_l1hdr.b_state == arc_anon && - (refcount_count(&arc_anon->arcs_size) + - refcount_count(&arc_mru->arcs_size) > arc_p)) + (zfs_refcount_count(&arc_anon->arcs_size) + + zfs_refcount_count(&arc_mru->arcs_size) > arc_p)) arc_p = MIN(arc_c, arc_p + size); } } @@ -5563,13 +5573,13 @@ arc_free_data_impl(arc_buf_hdr_t *hdr, uint64_t size, void *tag) /* protected by hash lock, if in the hash table */ if (multilist_link_active(&hdr->b_l1hdr.b_arc_node)) { - ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + ASSERT(zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); ASSERT(state != arc_anon && state != arc_l2c_only); - (void) refcount_remove_many(&state->arcs_esize[type], + (void) zfs_refcount_remove_many(&state->arcs_esize[type], size, tag); } - (void) refcount_remove_many(&state->arcs_size, size, tag); + (void) zfs_refcount_remove_many(&state->arcs_size, size, tag); VERIFY3U(hdr->b_type, ==, type); if (type == ARC_BUFC_METADATA) { @@ -5616,7 +5626,7 @@ arc_access(arc_buf_hdr_t *hdr, kmutex_t *hash_lock) * another prefetch (to make it less likely to be evicted). */ if (HDR_PREFETCH(hdr) || HDR_PRESCIENT_PREFETCH(hdr)) { - if (refcount_count(&hdr->b_l1hdr.b_refcnt) == 0) { + if (zfs_refcount_count(&hdr->b_l1hdr.b_refcnt) == 0) { /* link protected by hash lock */ ASSERT(multilist_link_active( &hdr->b_l1hdr.b_arc_node)); @@ -5659,7 +5669,7 @@ arc_access(arc_buf_hdr_t *hdr, kmutex_t *hash_lock) if (HDR_PREFETCH(hdr) || HDR_PRESCIENT_PREFETCH(hdr)) { new_state = arc_mru; - if (refcount_count(&hdr->b_l1hdr.b_refcnt) > 0) { + if (zfs_refcount_count(&hdr->b_l1hdr.b_refcnt) > 0) { arc_hdr_clear_flags(hdr, ARC_FLAG_PREFETCH | ARC_FLAG_PRESCIENT_PREFETCH); @@ -5979,7 +5989,7 @@ arc_read_done(zio_t *zio) if (callback_cnt == 0) ASSERT(hdr->b_l1hdr.b_pabd != NULL || HDR_HAS_RABD(hdr)); - ASSERT(refcount_is_zero(&hdr->b_l1hdr.b_refcnt) || + ASSERT(zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt) || callback_list != NULL); if (zio->io_error == 0) { @@ -5990,7 +6000,7 @@ arc_read_done(zio_t *zio) arc_change_state(arc_anon, hdr, hash_lock); if (HDR_IN_HASH_TABLE(hdr)) buf_hash_remove(hdr); - freeable = refcount_is_zero(&hdr->b_l1hdr.b_refcnt); + freeable = zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt); } /* @@ -6010,7 +6020,7 @@ arc_read_done(zio_t *zio) * in the cache). */ ASSERT3P(hdr->b_l1hdr.b_state, ==, arc_anon); - freeable = refcount_is_zero(&hdr->b_l1hdr.b_refcnt); + freeable = zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt); } /* execute each callback and free its structure */ @@ -6212,7 +6222,7 @@ top: ASSERT((zio_flags & ZIO_FLAG_SPECULATIVE) || rc != EACCES); } else if (*arc_flags & ARC_FLAG_PREFETCH && - refcount_count(&hdr->b_l1hdr.b_refcnt) == 0) { + zfs_refcount_count(&hdr->b_l1hdr.b_refcnt) == 0) { arc_hdr_set_flags(hdr, ARC_FLAG_PREFETCH); } DTRACE_PROBE1(arc__hit, arc_buf_hdr_t *, hdr); @@ -6284,7 +6294,8 @@ top: ASSERT3P(hdr->b_l1hdr.b_pabd, ==, NULL); ASSERT(!HDR_HAS_RABD(hdr)); ASSERT(!HDR_IO_IN_PROGRESS(hdr)); - ASSERT0(refcount_count(&hdr->b_l1hdr.b_refcnt)); + ASSERT0(zfs_refcount_count( + &hdr->b_l1hdr.b_refcnt)); ASSERT3P(hdr->b_l1hdr.b_buf, ==, NULL); ASSERT3P(hdr->b_l1hdr.b_freeze_cksum, ==, NULL); } else if (HDR_IO_IN_PROGRESS(hdr)) { @@ -6342,7 +6353,7 @@ top: } if (*arc_flags & ARC_FLAG_PREFETCH && - refcount_is_zero(&hdr->b_l1hdr.b_refcnt)) + zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt)) arc_hdr_set_flags(hdr, ARC_FLAG_PREFETCH); if (*arc_flags & ARC_FLAG_PRESCIENT_PREFETCH) arc_hdr_set_flags(hdr, ARC_FLAG_PRESCIENT_PREFETCH); @@ -6533,7 +6544,7 @@ arc_add_prune_callback(arc_prune_func_t *func, void *private) p->p_pfunc = func; p->p_private = private; list_link_init(&p->p_node); - refcount_create(&p->p_refcnt); + zfs_refcount_create(&p->p_refcnt); mutex_enter(&arc_prune_mtx); zfs_refcount_add(&p->p_refcnt, &arc_prune_list); @@ -6549,15 +6560,15 @@ arc_remove_prune_callback(arc_prune_t *p) boolean_t wait = B_FALSE; mutex_enter(&arc_prune_mtx); list_remove(&arc_prune_list, p); - if (refcount_remove(&p->p_refcnt, &arc_prune_list) > 0) + if (zfs_refcount_remove(&p->p_refcnt, &arc_prune_list) > 0) wait = B_TRUE; mutex_exit(&arc_prune_mtx); /* wait for arc_prune_task to finish */ if (wait) taskq_wait_outstanding(arc_prune_taskq, 0); - ASSERT0(refcount_count(&p->p_refcnt)); - refcount_destroy(&p->p_refcnt); + ASSERT0(zfs_refcount_count(&p->p_refcnt)); + zfs_refcount_destroy(&p->p_refcnt); kmem_free(p, sizeof (*p)); } @@ -6600,7 +6611,7 @@ arc_freed(spa_t *spa, const blkptr_t *bp) * this hdr, then we don't destroy the hdr. */ if (!HDR_HAS_L1HDR(hdr) || (!HDR_IO_IN_PROGRESS(hdr) && - refcount_is_zero(&hdr->b_l1hdr.b_refcnt))) { + zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt))) { arc_change_state(arc_anon, hdr, hash_lock); arc_hdr_destroy(hdr); mutex_exit(hash_lock); @@ -6644,7 +6655,7 @@ arc_release(arc_buf_t *buf, void *tag) ASSERT(HDR_EMPTY(hdr)); ASSERT3U(hdr->b_l1hdr.b_bufcnt, ==, 1); - ASSERT3S(refcount_count(&hdr->b_l1hdr.b_refcnt), ==, 1); + ASSERT3S(zfs_refcount_count(&hdr->b_l1hdr.b_refcnt), ==, 1); ASSERT(!list_link_active(&hdr->b_l1hdr.b_arc_node)); hdr->b_l1hdr.b_arc_access = 0; @@ -6672,7 +6683,7 @@ arc_release(arc_buf_t *buf, void *tag) ASSERT3P(state, !=, arc_anon); /* this buffer is not on any list */ - ASSERT3S(refcount_count(&hdr->b_l1hdr.b_refcnt), >, 0); + ASSERT3S(zfs_refcount_count(&hdr->b_l1hdr.b_refcnt), >, 0); if (HDR_HAS_L2HDR(hdr)) { mutex_enter(&hdr->b_l2hdr.b_dev->l2ad_mtx); @@ -6765,12 +6776,13 @@ arc_release(arc_buf_t *buf, void *tag) ASSERT(hdr->b_l1hdr.b_pabd != NULL || HDR_HAS_RABD(hdr)); ASSERT3P(state, !=, arc_l2c_only); - (void) refcount_remove_many(&state->arcs_size, + (void) zfs_refcount_remove_many(&state->arcs_size, arc_buf_size(buf), buf); - if (refcount_is_zero(&hdr->b_l1hdr.b_refcnt)) { + if (zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt)) { ASSERT3P(state, !=, arc_l2c_only); - (void) refcount_remove_many(&state->arcs_esize[type], + (void) zfs_refcount_remove_many( + &state->arcs_esize[type], arc_buf_size(buf), buf); } @@ -6795,7 +6807,7 @@ arc_release(arc_buf_t *buf, void *tag) compress, type, HDR_HAS_RABD(hdr)); ASSERT3P(nhdr->b_l1hdr.b_buf, ==, NULL); ASSERT0(nhdr->b_l1hdr.b_bufcnt); - ASSERT0(refcount_count(&nhdr->b_l1hdr.b_refcnt)); + ASSERT0(zfs_refcount_count(&nhdr->b_l1hdr.b_refcnt)); VERIFY3U(nhdr->b_type, ==, type); ASSERT(!HDR_SHARED_DATA(nhdr)); @@ -6812,11 +6824,11 @@ arc_release(arc_buf_t *buf, void *tag) buf->b_hdr = nhdr; mutex_exit(&buf->b_evict_lock); - (void) refcount_add_many(&arc_anon->arcs_size, + (void) zfs_refcount_add_many(&arc_anon->arcs_size, HDR_GET_LSIZE(nhdr), buf); } else { mutex_exit(&buf->b_evict_lock); - ASSERT(refcount_count(&hdr->b_l1hdr.b_refcnt) == 1); + ASSERT(zfs_refcount_count(&hdr->b_l1hdr.b_refcnt) == 1); /* protected by hash lock, or hdr is on arc_anon */ ASSERT(!multilist_link_active(&hdr->b_l1hdr.b_arc_node)); ASSERT(!HDR_IO_IN_PROGRESS(hdr)); @@ -6853,7 +6865,7 @@ arc_referenced(arc_buf_t *buf) int referenced; mutex_enter(&buf->b_evict_lock); - referenced = (refcount_count(&buf->b_hdr->b_l1hdr.b_refcnt)); + referenced = (zfs_refcount_count(&buf->b_hdr->b_l1hdr.b_refcnt)); mutex_exit(&buf->b_evict_lock); return (referenced); } @@ -6870,7 +6882,7 @@ arc_write_ready(zio_t *zio) fstrans_cookie_t cookie = spl_fstrans_mark(); ASSERT(HDR_HAS_L1HDR(hdr)); - ASSERT(!refcount_is_zero(&buf->b_hdr->b_l1hdr.b_refcnt)); + ASSERT(!zfs_refcount_is_zero(&buf->b_hdr->b_l1hdr.b_refcnt)); ASSERT(hdr->b_l1hdr.b_bufcnt > 0); /* @@ -7081,7 +7093,7 @@ arc_write_done(zio_t *zio) if (!BP_EQUAL(&zio->io_bp_orig, zio->io_bp)) panic("bad overwrite, hdr=%p exists=%p", (void *)hdr, (void *)exists); - ASSERT(refcount_is_zero( + ASSERT(zfs_refcount_is_zero( &exists->b_l1hdr.b_refcnt)); arc_change_state(arc_anon, exists, hash_lock); mutex_exit(hash_lock); @@ -7111,7 +7123,7 @@ arc_write_done(zio_t *zio) arc_hdr_clear_flags(hdr, ARC_FLAG_IO_IN_PROGRESS); } - ASSERT(!refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); + ASSERT(!zfs_refcount_is_zero(&hdr->b_l1hdr.b_refcnt)); callback->awcb_done(zio, buf, callback->awcb_private); abd_put(zio->io_abd); @@ -7289,7 +7301,7 @@ arc_tempreserve_space(spa_t *spa, uint64_t reserve, uint64_t txg) /* assert that it has not wrapped around */ ASSERT3S(atomic_add_64_nv(&arc_loaned_bytes, 0), >=, 0); - anon_size = MAX((int64_t)(refcount_count(&arc_anon->arcs_size) - + anon_size = MAX((int64_t)(zfs_refcount_count(&arc_anon->arcs_size) - arc_loaned_bytes), 0); /* @@ -7324,10 +7336,10 @@ arc_tempreserve_space(spa_t *spa, uint64_t reserve, uint64_t txg) anon_size > arc_c * zfs_arc_anon_limit_percent / 100 && spa_dirty_anon > anon_size * zfs_arc_pool_dirty_percent / 100) { #ifdef ZFS_DEBUG - uint64_t meta_esize = - refcount_count(&arc_anon->arcs_esize[ARC_BUFC_METADATA]); + uint64_t meta_esize = zfs_refcount_count( + &arc_anon->arcs_esize[ARC_BUFC_METADATA]); uint64_t data_esize = - refcount_count(&arc_anon->arcs_esize[ARC_BUFC_DATA]); + zfs_refcount_count(&arc_anon->arcs_esize[ARC_BUFC_DATA]); dprintf("failing, arc_tempreserve=%lluK anon_meta=%lluK " "anon_data=%lluK tempreserve=%lluK arc_c=%lluK\n", arc_tempreserve >> 10, meta_esize >> 10, @@ -7344,11 +7356,11 @@ static void arc_kstat_update_state(arc_state_t *state, kstat_named_t *size, kstat_named_t *evict_data, kstat_named_t *evict_metadata) { - size->value.ui64 = refcount_count(&state->arcs_size); + size->value.ui64 = zfs_refcount_count(&state->arcs_size); evict_data->value.ui64 = - refcount_count(&state->arcs_esize[ARC_BUFC_DATA]); + zfs_refcount_count(&state->arcs_esize[ARC_BUFC_DATA]); evict_metadata->value.ui64 = - refcount_count(&state->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_count(&state->arcs_esize[ARC_BUFC_METADATA]); } static int @@ -7582,25 +7594,25 @@ arc_state_init(void) offsetof(arc_buf_hdr_t, b_l1hdr.b_arc_node), arc_state_multilist_index_func); - refcount_create(&arc_anon->arcs_esize[ARC_BUFC_METADATA]); - refcount_create(&arc_anon->arcs_esize[ARC_BUFC_DATA]); - refcount_create(&arc_mru->arcs_esize[ARC_BUFC_METADATA]); - refcount_create(&arc_mru->arcs_esize[ARC_BUFC_DATA]); - refcount_create(&arc_mru_ghost->arcs_esize[ARC_BUFC_METADATA]); - refcount_create(&arc_mru_ghost->arcs_esize[ARC_BUFC_DATA]); - refcount_create(&arc_mfu->arcs_esize[ARC_BUFC_METADATA]); - refcount_create(&arc_mfu->arcs_esize[ARC_BUFC_DATA]); - refcount_create(&arc_mfu_ghost->arcs_esize[ARC_BUFC_METADATA]); - refcount_create(&arc_mfu_ghost->arcs_esize[ARC_BUFC_DATA]); - refcount_create(&arc_l2c_only->arcs_esize[ARC_BUFC_METADATA]); - refcount_create(&arc_l2c_only->arcs_esize[ARC_BUFC_DATA]); - - refcount_create(&arc_anon->arcs_size); - refcount_create(&arc_mru->arcs_size); - refcount_create(&arc_mru_ghost->arcs_size); - refcount_create(&arc_mfu->arcs_size); - refcount_create(&arc_mfu_ghost->arcs_size); - refcount_create(&arc_l2c_only->arcs_size); + zfs_refcount_create(&arc_anon->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_create(&arc_anon->arcs_esize[ARC_BUFC_DATA]); + zfs_refcount_create(&arc_mru->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_create(&arc_mru->arcs_esize[ARC_BUFC_DATA]); + zfs_refcount_create(&arc_mru_ghost->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_create(&arc_mru_ghost->arcs_esize[ARC_BUFC_DATA]); + zfs_refcount_create(&arc_mfu->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_create(&arc_mfu->arcs_esize[ARC_BUFC_DATA]); + zfs_refcount_create(&arc_mfu_ghost->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_create(&arc_mfu_ghost->arcs_esize[ARC_BUFC_DATA]); + zfs_refcount_create(&arc_l2c_only->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_create(&arc_l2c_only->arcs_esize[ARC_BUFC_DATA]); + + zfs_refcount_create(&arc_anon->arcs_size); + zfs_refcount_create(&arc_mru->arcs_size); + zfs_refcount_create(&arc_mru_ghost->arcs_size); + zfs_refcount_create(&arc_mfu->arcs_size); + zfs_refcount_create(&arc_mfu_ghost->arcs_size); + zfs_refcount_create(&arc_l2c_only->arcs_size); aggsum_init(&arc_meta_used, 0); aggsum_init(&arc_size, 0); @@ -7623,25 +7635,25 @@ arc_state_init(void) static void arc_state_fini(void) { - refcount_destroy(&arc_anon->arcs_esize[ARC_BUFC_METADATA]); - refcount_destroy(&arc_anon->arcs_esize[ARC_BUFC_DATA]); - refcount_destroy(&arc_mru->arcs_esize[ARC_BUFC_METADATA]); - refcount_destroy(&arc_mru->arcs_esize[ARC_BUFC_DATA]); - refcount_destroy(&arc_mru_ghost->arcs_esize[ARC_BUFC_METADATA]); - refcount_destroy(&arc_mru_ghost->arcs_esize[ARC_BUFC_DATA]); - refcount_destroy(&arc_mfu->arcs_esize[ARC_BUFC_METADATA]); - refcount_destroy(&arc_mfu->arcs_esize[ARC_BUFC_DATA]); - refcount_destroy(&arc_mfu_ghost->arcs_esize[ARC_BUFC_METADATA]); - refcount_destroy(&arc_mfu_ghost->arcs_esize[ARC_BUFC_DATA]); - refcount_destroy(&arc_l2c_only->arcs_esize[ARC_BUFC_METADATA]); - refcount_destroy(&arc_l2c_only->arcs_esize[ARC_BUFC_DATA]); - - refcount_destroy(&arc_anon->arcs_size); - refcount_destroy(&arc_mru->arcs_size); - refcount_destroy(&arc_mru_ghost->arcs_size); - refcount_destroy(&arc_mfu->arcs_size); - refcount_destroy(&arc_mfu_ghost->arcs_size); - refcount_destroy(&arc_l2c_only->arcs_size); + zfs_refcount_destroy(&arc_anon->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_destroy(&arc_anon->arcs_esize[ARC_BUFC_DATA]); + zfs_refcount_destroy(&arc_mru->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_destroy(&arc_mru->arcs_esize[ARC_BUFC_DATA]); + zfs_refcount_destroy(&arc_mru_ghost->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_destroy(&arc_mru_ghost->arcs_esize[ARC_BUFC_DATA]); + zfs_refcount_destroy(&arc_mfu->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_destroy(&arc_mfu->arcs_esize[ARC_BUFC_DATA]); + zfs_refcount_destroy(&arc_mfu_ghost->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_destroy(&arc_mfu_ghost->arcs_esize[ARC_BUFC_DATA]); + zfs_refcount_destroy(&arc_l2c_only->arcs_esize[ARC_BUFC_METADATA]); + zfs_refcount_destroy(&arc_l2c_only->arcs_esize[ARC_BUFC_DATA]); + + zfs_refcount_destroy(&arc_anon->arcs_size); + zfs_refcount_destroy(&arc_mru->arcs_size); + zfs_refcount_destroy(&arc_mru_ghost->arcs_size); + zfs_refcount_destroy(&arc_mfu->arcs_size); + zfs_refcount_destroy(&arc_mfu_ghost->arcs_size); + zfs_refcount_destroy(&arc_l2c_only->arcs_size); multilist_destroy(arc_mru->arcs_list[ARC_BUFC_METADATA]); multilist_destroy(arc_mru_ghost->arcs_list[ARC_BUFC_METADATA]); @@ -7821,8 +7833,8 @@ arc_fini(void) mutex_enter(&arc_prune_mtx); while ((p = list_head(&arc_prune_list)) != NULL) { list_remove(&arc_prune_list, p); - refcount_remove(&p->p_refcnt, &arc_prune_list); - refcount_destroy(&p->p_refcnt); + zfs_refcount_remove(&p->p_refcnt, &arc_prune_list); + zfs_refcount_destroy(&p->p_refcnt); kmem_free(p, sizeof (*p)); } mutex_exit(&arc_prune_mtx); @@ -8225,7 +8237,7 @@ top: ARCSTAT_INCR(arcstat_l2_lsize, -HDR_GET_LSIZE(hdr)); bytes_dropped += arc_hdr_size(hdr); - (void) refcount_remove_many(&dev->l2ad_alloc, + (void) zfs_refcount_remove_many(&dev->l2ad_alloc, arc_hdr_size(hdr), hdr); } @@ -8924,7 +8936,7 @@ l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz) list_insert_head(&dev->l2ad_buflist, hdr); mutex_exit(&dev->l2ad_mtx); - (void) refcount_add_many(&dev->l2ad_alloc, + (void) zfs_refcount_add_many(&dev->l2ad_alloc, arc_hdr_size(hdr), hdr); wzio = zio_write_phys(pio, dev->l2ad_vdev, @@ -9133,7 +9145,7 @@ l2arc_add_vdev(spa_t *spa, vdev_t *vd) offsetof(arc_buf_hdr_t, b_l2hdr.b_l2node)); vdev_space_update(vd, 0, 0, adddev->l2ad_end - adddev->l2ad_hand); - refcount_create(&adddev->l2ad_alloc); + zfs_refcount_create(&adddev->l2ad_alloc); /* * Add device to global list @@ -9179,7 +9191,7 @@ l2arc_remove_vdev(vdev_t *vd) l2arc_evict(remdev, 0, B_TRUE); list_destroy(&remdev->l2ad_buflist); mutex_destroy(&remdev->l2ad_mtx); - refcount_destroy(&remdev->l2ad_alloc); + zfs_refcount_destroy(&remdev->l2ad_alloc); kmem_free(remdev, sizeof (l2arc_dev_t)); } |