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Searched refs:xas (Results 1 – 25 of 38) sorted by relevance

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/linux-6.1.9/lib/
Dxarray.c36 static inline void xas_lock_type(struct xa_state *xas, unsigned int lock_type) in xas_lock_type() argument
39 xas_lock_irq(xas); in xas_lock_type()
41 xas_lock_bh(xas); in xas_lock_type()
43 xas_lock(xas); in xas_lock_type()
46 static inline void xas_unlock_type(struct xa_state *xas, unsigned int lock_type) in xas_unlock_type() argument
49 xas_unlock_irq(xas); in xas_unlock_type()
51 xas_unlock_bh(xas); in xas_unlock_type()
53 xas_unlock(xas); in xas_unlock_type()
124 static void xas_squash_marks(const struct xa_state *xas) in xas_squash_marks() argument
127 unsigned int limit = xas->xa_offset + xas->xa_sibs + 1; in xas_squash_marks()
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Dtest_xarray.c74 XA_STATE_ORDER(xas, xa, index, order); in xa_store_order()
78 xas_lock(&xas); in xa_store_order()
79 curr = xas_store(&xas, entry); in xa_store_order()
80 xas_unlock(&xas); in xa_store_order()
81 } while (xas_nomem(&xas, gfp)); in xa_store_order()
104 XA_STATE(xas, xa, 0); in check_xas_retry()
111 XA_BUG_ON(xa, xas_find(&xas, ULONG_MAX) != xa_mk_value(0)); in check_xas_retry()
113 XA_BUG_ON(xa, !xa_is_retry(xas_reload(&xas))); in check_xas_retry()
114 XA_BUG_ON(xa, xas_retry(&xas, NULL)); in check_xas_retry()
115 XA_BUG_ON(xa, xas_retry(&xas, xa_mk_value(0))); in check_xas_retry()
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Didr.c383 XA_STATE(xas, &ida->xa, min / IDA_BITMAP_BITS); in ida_alloc_range()
395 xas_lock_irqsave(&xas, flags); in ida_alloc_range()
397 bitmap = xas_find_marked(&xas, max / IDA_BITMAP_BITS, XA_FREE_MARK); in ida_alloc_range()
398 if (xas.xa_index > min / IDA_BITMAP_BITS) in ida_alloc_range()
400 if (xas.xa_index * IDA_BITMAP_BITS + bit > max) in ida_alloc_range()
408 if (xas.xa_index * IDA_BITMAP_BITS + bit > max) in ida_alloc_range()
412 xas_store(&xas, xa_mk_value(tmp)); in ida_alloc_range()
422 xas_store(&xas, bitmap); in ida_alloc_range()
423 if (xas_error(&xas)) { in ida_alloc_range()
431 if (xas.xa_index * IDA_BITMAP_BITS + bit > max) in ida_alloc_range()
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/linux-6.1.9/include/linux/
Dxarray.h1388 #define xas_marked(xas, mark) xa_marked((xas)->xa, (mark)) argument
1389 #define xas_trylock(xas) xa_trylock((xas)->xa) argument
1390 #define xas_lock(xas) xa_lock((xas)->xa) argument
1391 #define xas_unlock(xas) xa_unlock((xas)->xa) argument
1392 #define xas_lock_bh(xas) xa_lock_bh((xas)->xa) argument
1393 #define xas_unlock_bh(xas) xa_unlock_bh((xas)->xa) argument
1394 #define xas_lock_irq(xas) xa_lock_irq((xas)->xa) argument
1395 #define xas_unlock_irq(xas) xa_unlock_irq((xas)->xa) argument
1396 #define xas_lock_irqsave(xas, flags) \ argument
1397 xa_lock_irqsave((xas)->xa, flags)
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Dswap.h372 #define mapping_set_update(xas, mapping) do { \ argument
374 xas_set_update(xas, workingset_update_node); \
375 xas_set_lru(xas, &shadow_nodes); \
/linux-6.1.9/fs/
Ddax.c157 static wait_queue_head_t *dax_entry_waitqueue(struct xa_state *xas, in dax_entry_waitqueue() argument
161 unsigned long index = xas->xa_index; in dax_entry_waitqueue()
170 key->xa = xas->xa; in dax_entry_waitqueue()
173 hash = hash_long((unsigned long)xas->xa ^ index, DAX_WAIT_TABLE_BITS); in dax_entry_waitqueue()
195 static void dax_wake_entry(struct xa_state *xas, void *entry, in dax_wake_entry() argument
201 wq = dax_entry_waitqueue(xas, entry, &key); in dax_wake_entry()
223 static void *get_unlocked_entry(struct xa_state *xas, unsigned int order) in get_unlocked_entry() argument
233 entry = xas_find_conflict(xas); in get_unlocked_entry()
241 wq = dax_entry_waitqueue(xas, entry, &ewait.key); in get_unlocked_entry()
244 xas_unlock_irq(xas); in get_unlocked_entry()
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/linux-6.1.9/tools/testing/radix-tree/
Dmultiorder.c18 XA_STATE_ORDER(xas, xa, index, order); in item_insert_order()
22 xas_lock(&xas); in item_insert_order()
23 xas_store(&xas, item); in item_insert_order()
24 xas_unlock(&xas); in item_insert_order()
25 } while (xas_nomem(&xas, GFP_KERNEL)); in item_insert_order()
27 if (!xas_error(&xas)) in item_insert_order()
31 return xas_error(&xas); in item_insert_order()
36 XA_STATE(xas, xa, 0); in multiorder_iteration()
56 xas_set(&xas, j); in multiorder_iteration()
57 xas_for_each(&xas, item, ULONG_MAX) { in multiorder_iteration()
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Diteration_check.c23 XA_STATE(xas, xa, index); in my_item_insert()
28 xas_lock(&xas); in my_item_insert()
30 xas_set_order(&xas, index, order); in my_item_insert()
32 if (xas_find_conflict(&xas)) in my_item_insert()
34 xas_store(&xas, item); in my_item_insert()
35 xas_set_mark(&xas, TAG); in my_item_insert()
38 xas_unlock(&xas); in my_item_insert()
39 if (xas_nomem(&xas, GFP_KERNEL)) in my_item_insert()
69 XA_STATE(xas, &array, 0); in tagged_iteration_fn()
75 xas_set(&xas, 0); in tagged_iteration_fn()
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Dtest.c176 XA_STATE(xas, xa, start); in tag_tagged_items()
183 xas_lock_irq(&xas); in tag_tagged_items()
184 xas_for_each_marked(&xas, item, end, iftag) { in tag_tagged_items()
185 xas_set_mark(&xas, thentag); in tag_tagged_items()
189 xas_pause(&xas); in tag_tagged_items()
190 xas_unlock_irq(&xas); in tag_tagged_items()
192 xas_lock_irq(&xas); in tag_tagged_items()
194 xas_unlock_irq(&xas); in tag_tagged_items()
257 XA_STATE(xas, xa, 0); in item_kill_tree()
260 xas_for_each(&xas, entry, ULONG_MAX) { in item_kill_tree()
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Diteration_check_2.c15 XA_STATE(xas, arg, 0); in iterator()
21 xas_set(&xas, 0); in iterator()
23 xas_for_each_marked(&xas, entry, ULONG_MAX, XA_MARK_0) in iterator()
26 assert(xas.xa_index >= 100); in iterator()
Dregression1.c82 XA_STATE(xas, &mt_tree, start); in find_get_pages()
87 xas_for_each(&xas, page, ULONG_MAX) { in find_get_pages()
88 if (xas_retry(&xas, page)) in find_get_pages()
99 if (unlikely(page != xas_reload(&xas))) in find_get_pages()
108 xas_reset(&xas); in find_get_pages()
/linux-6.1.9/mm/
Dmemfd.c31 static void memfd_tag_pins(struct xa_state *xas) in memfd_tag_pins() argument
39 xas_lock_irq(xas); in memfd_tag_pins()
40 xas_for_each(xas, page, ULONG_MAX) { in memfd_tag_pins()
48 xas_set_mark(xas, MEMFD_TAG_PINNED); in memfd_tag_pins()
50 xas_set(xas, page->index + cache_count); in memfd_tag_pins()
57 xas_pause(xas); in memfd_tag_pins()
58 xas_unlock_irq(xas); in memfd_tag_pins()
60 xas_lock_irq(xas); in memfd_tag_pins()
62 xas_unlock_irq(xas); in memfd_tag_pins()
76 XA_STATE(xas, &mapping->i_pages, 0); in memfd_wait_for_pins()
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Dfilemap.c127 XA_STATE(xas, &mapping->i_pages, folio->index); in page_cache_delete()
130 mapping_set_update(&xas, mapping); in page_cache_delete()
134 xas_set_order(&xas, folio->index, folio_order(folio)); in page_cache_delete()
140 xas_store(&xas, shadow); in page_cache_delete()
141 xas_init_marks(&xas); in page_cache_delete()
280 XA_STATE(xas, &mapping->i_pages, fbatch->folios[0]->index); in page_cache_delete_batch()
285 mapping_set_update(&xas, mapping); in page_cache_delete_batch()
286 xas_for_each(&xas, folio, ULONG_MAX) { in page_cache_delete_batch()
312 xas_store(&xas, NULL); in page_cache_delete_batch()
474 XA_STATE(xas, &mapping->i_pages, start_byte >> PAGE_SHIFT); in filemap_range_has_page()
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Dlist_lru.c376 XA_STATE(xas, &lru->xa, 0); in memcg_destroy_list_lru()
382 xas_lock_irq(&xas); in memcg_destroy_list_lru()
383 xas_for_each(&xas, mlru, ULONG_MAX) { in memcg_destroy_list_lru()
385 xas_store(&xas, NULL); in memcg_destroy_list_lru()
387 xas_unlock_irq(&xas); in memcg_destroy_list_lru()
481 XA_STATE(xas, &lru->xa, 0); in memcg_list_lru_alloc()
510 xas_lock_irqsave(&xas, flags); in memcg_list_lru_alloc()
515 xas_set(&xas, index); in memcg_list_lru_alloc()
517 if (unlikely(index < 0 || xas_error(&xas) || xas_load(&xas))) { in memcg_list_lru_alloc()
520 xas_store(&xas, mlru); in memcg_list_lru_alloc()
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Dswap_state.c93 XA_STATE_ORDER(xas, &address_space->i_pages, idx, folio_order(folio)); in add_to_swap_cache()
105 xas_lock_irq(&xas); in add_to_swap_cache()
106 xas_create_range(&xas); in add_to_swap_cache()
107 if (xas_error(&xas)) in add_to_swap_cache()
110 VM_BUG_ON_FOLIO(xas.xa_index != idx + i, folio); in add_to_swap_cache()
111 old = xas_load(&xas); in add_to_swap_cache()
117 xas_store(&xas, folio); in add_to_swap_cache()
118 xas_next(&xas); in add_to_swap_cache()
124 xas_unlock_irq(&xas); in add_to_swap_cache()
125 } while (xas_nomem(&xas, gfp)); in add_to_swap_cache()
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Dkhugepaged.c1754 XA_STATE_ORDER(xas, &mapping->i_pages, start, HPAGE_PMD_ORDER); in collapse_file()
1771 xas_lock_irq(&xas); in collapse_file()
1772 xas_create_range(&xas); in collapse_file()
1773 if (!xas_error(&xas)) in collapse_file()
1775 xas_unlock_irq(&xas); in collapse_file()
1776 if (!xas_nomem(&xas, GFP_KERNEL)) { in collapse_file()
1794 xas_set(&xas, start); in collapse_file()
1796 struct page *page = xas_next(&xas); in collapse_file()
1798 VM_BUG_ON(index != xas.xa_index); in collapse_file()
1807 if (!xas_next_entry(&xas, end - 1)) { in collapse_file()
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Dpage-writeback.c2232 XA_STATE(xas, &mapping->i_pages, start); in tag_pages_for_writeback()
2236 xas_lock_irq(&xas); in tag_pages_for_writeback()
2237 xas_for_each_marked(&xas, page, end, PAGECACHE_TAG_DIRTY) { in tag_pages_for_writeback()
2238 xas_set_mark(&xas, PAGECACHE_TAG_TOWRITE); in tag_pages_for_writeback()
2242 xas_pause(&xas); in tag_pages_for_writeback()
2243 xas_unlock_irq(&xas); in tag_pages_for_writeback()
2245 xas_lock_irq(&xas); in tag_pages_for_writeback()
2247 xas_unlock_irq(&xas); in tag_pages_for_writeback()
2965 XA_STATE(xas, &mapping->i_pages, folio_index(folio)); in __folio_start_writeback()
2970 xas_lock_irqsave(&xas, flags); in __folio_start_writeback()
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Dshmem.c403 XA_STATE(xas, &mapping->i_pages, index); in shmem_replace_entry()
408 item = xas_load(&xas); in shmem_replace_entry()
411 xas_store(&xas, replacement); in shmem_replace_entry()
694 XA_STATE_ORDER(xas, &mapping->i_pages, index, folio_order(folio)); in shmem_add_to_page_cache()
720 xas_lock_irq(&xas); in shmem_add_to_page_cache()
721 if (expected != xas_find_conflict(&xas)) { in shmem_add_to_page_cache()
722 xas_set_err(&xas, -EEXIST); in shmem_add_to_page_cache()
725 if (expected && xas_find_conflict(&xas)) { in shmem_add_to_page_cache()
726 xas_set_err(&xas, -EEXIST); in shmem_add_to_page_cache()
729 xas_store(&xas, folio); in shmem_add_to_page_cache()
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Dmigrate.c384 XA_STATE(xas, &mapping->i_pages, folio_index(folio)); in folio_migrate_mapping()
407 xas_lock_irq(&xas); in folio_migrate_mapping()
409 xas_unlock_irq(&xas); in folio_migrate_mapping()
437 xas_store(&xas, newfolio); in folio_migrate_mapping()
446 xas_unlock(&xas); in folio_migrate_mapping()
499 XA_STATE(xas, &mapping->i_pages, folio_index(src)); in migrate_huge_page_move_mapping()
502 xas_lock_irq(&xas); in migrate_huge_page_move_mapping()
505 xas_unlock_irq(&xas); in migrate_huge_page_move_mapping()
514 xas_store(&xas, dst); in migrate_huge_page_move_mapping()
518 xas_unlock_irq(&xas); in migrate_huge_page_move_mapping()
Dtruncate.c35 XA_STATE(xas, &mapping->i_pages, index); in __clear_shadow_entry()
37 xas_set_update(&xas, workingset_update_node); in __clear_shadow_entry()
38 if (xas_load(&xas) != entry) in __clear_shadow_entry()
40 xas_store(&xas, NULL); in __clear_shadow_entry()
/linux-6.1.9/fs/cachefiles/
Dondemand.c14 XA_STATE(xas, &cache->reqs, 0); in cachefiles_ondemand_fd_release()
23 xas_for_each(&xas, req, ULONG_MAX) { in cachefiles_ondemand_fd_release()
28 xas_store(&xas, NULL); in cachefiles_ondemand_fd_release()
245 XA_STATE(xas, &cache->reqs, cache->req_id_next); in cachefiles_ondemand_daemon_read()
253 req = xas_find_marked(&xas, UINT_MAX, CACHEFILES_REQ_NEW); in cachefiles_ondemand_daemon_read()
255 xas_set(&xas, 0); in cachefiles_ondemand_daemon_read()
256 req = xas_find_marked(&xas, cache->req_id_next - 1, CACHEFILES_REQ_NEW); in cachefiles_ondemand_daemon_read()
271 xas_clear_mark(&xas, CACHEFILES_REQ_NEW); in cachefiles_ondemand_daemon_read()
272 cache->req_id_next = xas.xa_index + 1; in cachefiles_ondemand_daemon_read()
275 id = xas.xa_index; in cachefiles_ondemand_daemon_read()
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/linux-6.1.9/drivers/infiniband/core/
Dib_core_uverbs.c268 XA_STATE(xas, &ucontext->mmap_xa, min_pgoff); in rdma_user_mmap_entry_insert_range()
294 xas_find_marked(&xas, max_pgoff, XA_FREE_MARK); in rdma_user_mmap_entry_insert_range()
295 if (xas.xa_node == XAS_RESTART) in rdma_user_mmap_entry_insert_range()
298 xa_first = xas.xa_index; in rdma_user_mmap_entry_insert_range()
308 xas_next_entry(&xas, xa_last - 1); in rdma_user_mmap_entry_insert_range()
309 if (xas.xa_node == XAS_BOUNDS || xas.xa_index >= xa_last) in rdma_user_mmap_entry_insert_range()
/linux-6.1.9/arch/x86/kernel/cpu/sgx/
Dencl.c510 XA_STATE(xas, &encl->page_array, PFN_DOWN(start)); in sgx_encl_may_map()
525 xas_lock(&xas); in sgx_encl_may_map()
526 xas_for_each(&xas, page, PFN_DOWN(end - 1)) { in sgx_encl_may_map()
534 xas_pause(&xas); in sgx_encl_may_map()
535 xas_unlock(&xas); in sgx_encl_may_map()
541 xas_lock(&xas); in sgx_encl_may_map()
544 xas_unlock(&xas); in sgx_encl_may_map()
688 XA_STATE(xas, &encl->page_array, PFN_DOWN(encl->base)); in sgx_encl_release()
690 xas_lock(&xas); in sgx_encl_release()
691 xas_for_each(&xas, entry, max_page_index) { in sgx_encl_release()
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/linux-6.1.9/fs/afs/
Dwrite.c264 XA_STATE(xas, &mapping->i_pages, start / PAGE_SIZE); in afs_pages_written_back()
272 xas_for_each(&xas, folio, end) { in afs_pages_written_back()
446 XA_STATE(xas, &mapping->i_pages, index); in afs_extend_writeback()
456 xas_for_each(&xas, folio, ULONG_MAX) { in afs_extend_writeback()
458 if (xas_retry(&xas, folio)) in afs_extend_writeback()
466 xas_reset(&xas); in afs_extend_writeback()
471 if (unlikely(folio != xas_reload(&xas))) { in afs_extend_writeback()
513 xas_pause(&xas); in afs_extend_writeback()
/linux-6.1.9/fs/netfs/
Dbuffered_read.c25 XA_STATE(xas, &rreq->mapping->i_pages, start_page); in netfs_rreq_unlock_folios()
47 xas_for_each(&xas, folio, last_page) { in netfs_rreq_unlock_folios()
51 if (xas_retry(&xas, folio)) in netfs_rreq_unlock_folios()

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