Searched refs:xa_state (Results 1 – 9 of 9) sorted by relevance
/linux-6.3-rc2/Documentation/translations/zh_CN/core-api/ |
A D | xarray.rst | 256 高级API是基于xa_state的。这是一个不透明的数据结构,你使用XA_STATE()宏在堆栈中声明。这个宏初始化了 257 xa_state,准备开始在XArray上移动。它被用作一个游标来保持在XArray中的位置,并让你把各种操作组合在一 262 会检查xa_state是否处于错误状态,所以你没有必要在每次调用之后检查错误;你可以连续进行多次调用,只在 267 存在xa_state中供下一次尝试。这个想法是,你拿着xa_lock,尝试操作,然后放弃锁。该操作试图在持有锁的情 287 - 一个XArray节点。 在使用多索引xa_state时可能是可见的。 309 xa_state中设置ENOMEM。 315 xas_load()会尽可能地将xa_state移动到该条目附近。如果你知道xa_state已经移动到了该条目,并且需要检查 323 一个条目,那么它将找到当前引用的条目之后的下一个条目。如果没有,它将返回xa_state索引处的条目。使用 327 xas_find_marked()函数也是如此。如果xa_state没有被移动过,它将返回xa_state的索引处的条目,如果它 332 xas_pause()函数的存在就是为了这个目的。在你完成了必要的工作并希望恢复后,xa_state处于适当的状态,在 [all …]
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/linux-6.3-rc2/include/linux/ |
A D | xarray.h | 1326 struct xa_state { struct 1383 struct xa_state name = __XA_STATE(array, \ 1514 void *xas_load(struct xa_state *); 1517 void *xas_find_conflict(struct xa_state *); 1523 void xas_init_marks(const struct xa_state *); 1525 bool xas_nomem(struct xa_state *, gfp_t); 1526 void xas_destroy(struct xa_state *); 1527 void xas_pause(struct xa_state *); 1529 void xas_create_range(struct xa_state *); 1807 void *__xas_next(struct xa_state *); [all …]
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/linux-6.3-rc2/lib/ |
A D | xarray.c | 147 static void xas_set_offset(struct xa_state *xas) in xas_set_offset() 166 static void *set_bounds(struct xa_state *xas) in set_bounds() 179 static void *xas_start(struct xa_state *xas) in xas_start() 233 void *xas_load(struct xa_state *xas) in xas_load() 270 void xas_destroy(struct xa_state *xas) in xas_destroy() 439 static void xas_shrink(struct xa_state *xas) in xas_shrink() 706 void xas_create_range(struct xa_state *xas) in xas_create_range() 1122 void xas_pause(struct xa_state *xas) in xas_pause() 1152 void *__xas_prev(struct xa_state *xas) in __xas_prev() 1191 void *__xas_next(struct xa_state *xas) in __xas_next() [all …]
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/linux-6.3-rc2/arch/arm64/mm/ |
A D | mteswap.c | 76 XA_STATE(xa_state, &mte_pages, entry.val); in mte_invalidate_tags_area() 79 xas_for_each(&xa_state, tags, last_entry.val - 1) { in mte_invalidate_tags_area() 80 __xa_erase(&mte_pages, xa_state.xa_index); in mte_invalidate_tags_area()
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/linux-6.3-rc2/arch/arm64/kernel/ |
A D | hibernate.c | 244 XA_STATE(xa_state, &mte_pages, 0); in swsusp_mte_free_storage() 248 xas_for_each(&xa_state, tags, ULONG_MAX) { in swsusp_mte_free_storage() 294 XA_STATE(xa_state, &mte_pages, 0); in swsusp_mte_restore_tags() 299 xas_for_each(&xa_state, tags, ULONG_MAX) { in swsusp_mte_restore_tags() 300 unsigned long pfn = xa_state.xa_index; in swsusp_mte_restore_tags()
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/linux-6.3-rc2/Documentation/core-api/ |
A D | xarray.rst | 319 This macro initialises the xa_state ready to start walking around the 328 The xa_state is also used to store errors. You can call 337 If the xa_state is holding an ``ENOMEM`` error, calling xas_nomem() 404 The xas_load() will walk the xa_state as close to the entry 405 as it can. If you know the xa_state has already been walked to the 421 entry at the index of the xa_state. Using xas_next_entry() to 426 The xas_find_marked() function is similar. If the xa_state has 429 the entry referenced by the xa_state. The xas_next_marked() 466 Calling xas_load() with a multi-index xa_state will walk the 475 in the xa_state will not be changed. When iterating over an XArray [all …]
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/linux-6.3-rc2/fs/ |
A D | dax.c | 157 static wait_queue_head_t *dax_entry_waitqueue(struct xa_state *xas, in dax_entry_waitqueue() 195 static void dax_wake_entry(struct xa_state *xas, void *entry, in dax_wake_entry() 223 static void *get_unlocked_entry(struct xa_state *xas, unsigned int order) in get_unlocked_entry() 257 static void wait_entry_unlocked(struct xa_state *xas, void *entry) in wait_entry_unlocked() 278 static void put_unlocked_entry(struct xa_state *xas, void *entry, in put_unlocked_entry() 290 static void dax_unlock_entry(struct xa_state *xas, void *entry) in dax_unlock_entry() 306 static void *dax_lock_entry(struct xa_state *xas, void *entry) in dax_lock_entry() 587 static void *grab_mapping_entry(struct xa_state *xas, in grab_mapping_entry() 856 static void *dax_insert_entry(struct xa_state *xas, struct vm_fault *vmf, in dax_insert_entry() 1173 static vm_fault_t dax_load_hole(struct xa_state *xas, struct vm_fault *vmf, in dax_load_hole() [all …]
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/linux-6.3-rc2/mm/ |
A D | memfd.c | 32 static void memfd_tag_pins(struct xa_state *xas) in memfd_tag_pins()
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A D | filemap.c | 2001 static inline struct folio *find_get_entry(struct xa_state *xas, pgoff_t max, in find_get_entry() 2972 static inline loff_t folio_seek_hole_data(struct xa_state *xas, in folio_seek_hole_data() 3005 static inline size_t seek_folio_size(struct xa_state *xas, struct folio *folio) in seek_folio_size() 3431 struct xa_state *xas, pgoff_t end_pgoff) in next_uptodate_page() 3471 struct xa_state *xas, in first_map_page() 3479 struct xa_state *xas, in next_map_page()
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