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-rw-r--r--fs/btrfs/subpage.h82
1 files changed, 39 insertions, 43 deletions
diff --git a/fs/btrfs/subpage.h b/fs/btrfs/subpage.h
index 5cbf67ccbd..793c2b314a 100644
--- a/fs/btrfs/subpage.h
+++ b/fs/btrfs/subpage.h
@@ -73,71 +73,68 @@ enum btrfs_subpage_type {
BTRFS_SUBPAGE_DATA,
};
-bool btrfs_is_subpage(const struct btrfs_fs_info *fs_info, struct page *page);
+bool btrfs_is_subpage(const struct btrfs_fs_info *fs_info, struct address_space *mapping);
void btrfs_init_subpage_info(struct btrfs_subpage_info *subpage_info, u32 sectorsize);
int btrfs_attach_subpage(const struct btrfs_fs_info *fs_info,
- struct page *page, enum btrfs_subpage_type type);
-void btrfs_detach_subpage(const struct btrfs_fs_info *fs_info,
- struct page *page);
+ struct folio *folio, enum btrfs_subpage_type type);
+void btrfs_detach_subpage(const struct btrfs_fs_info *fs_info, struct folio *folio);
/* Allocate additional data where page represents more than one sector */
struct btrfs_subpage *btrfs_alloc_subpage(const struct btrfs_fs_info *fs_info,
enum btrfs_subpage_type type);
void btrfs_free_subpage(struct btrfs_subpage *subpage);
-void btrfs_page_inc_eb_refs(const struct btrfs_fs_info *fs_info,
- struct page *page);
-void btrfs_page_dec_eb_refs(const struct btrfs_fs_info *fs_info,
- struct page *page);
+void btrfs_folio_inc_eb_refs(const struct btrfs_fs_info *fs_info, struct folio *folio);
+void btrfs_folio_dec_eb_refs(const struct btrfs_fs_info *fs_info, struct folio *folio);
void btrfs_subpage_start_reader(const struct btrfs_fs_info *fs_info,
- struct page *page, u64 start, u32 len);
+ struct folio *folio, u64 start, u32 len);
void btrfs_subpage_end_reader(const struct btrfs_fs_info *fs_info,
- struct page *page, u64 start, u32 len);
+ struct folio *folio, u64 start, u32 len);
void btrfs_subpage_start_writer(const struct btrfs_fs_info *fs_info,
- struct page *page, u64 start, u32 len);
+ struct folio *folio, u64 start, u32 len);
bool btrfs_subpage_end_and_test_writer(const struct btrfs_fs_info *fs_info,
- struct page *page, u64 start, u32 len);
-int btrfs_page_start_writer_lock(const struct btrfs_fs_info *fs_info,
- struct page *page, u64 start, u32 len);
-void btrfs_page_end_writer_lock(const struct btrfs_fs_info *fs_info,
- struct page *page, u64 start, u32 len);
+ struct folio *folio, u64 start, u32 len);
+int btrfs_folio_start_writer_lock(const struct btrfs_fs_info *fs_info,
+ struct folio *folio, u64 start, u32 len);
+void btrfs_folio_end_writer_lock(const struct btrfs_fs_info *fs_info,
+ struct folio *folio, u64 start, u32 len);
/*
* Template for subpage related operations.
*
- * btrfs_subpage_*() are for call sites where the page has subpage attached and
- * the range is ensured to be inside the page.
+ * btrfs_subpage_*() are for call sites where the folio has subpage attached and
+ * the range is ensured to be inside the folio's single page.
*
- * btrfs_page_*() are for call sites where the page can either be subpage
- * specific or regular page. The function will handle both cases.
- * But the range still needs to be inside the page.
+ * btrfs_folio_*() are for call sites where the page can either be subpage
+ * specific or regular folios. The function will handle both cases.
+ * But the range still needs to be inside one single page.
*
- * btrfs_page_clamp_*() are similar to btrfs_page_*(), except the range doesn't
+ * btrfs_folio_clamp_*() are similar to btrfs_folio_*(), except the range doesn't
* need to be inside the page. Those functions will truncate the range
* automatically.
*/
#define DECLARE_BTRFS_SUBPAGE_OPS(name) \
void btrfs_subpage_set_##name(const struct btrfs_fs_info *fs_info, \
- struct page *page, u64 start, u32 len); \
+ struct folio *folio, u64 start, u32 len); \
void btrfs_subpage_clear_##name(const struct btrfs_fs_info *fs_info, \
- struct page *page, u64 start, u32 len); \
+ struct folio *folio, u64 start, u32 len); \
bool btrfs_subpage_test_##name(const struct btrfs_fs_info *fs_info, \
- struct page *page, u64 start, u32 len); \
-void btrfs_page_set_##name(const struct btrfs_fs_info *fs_info, \
- struct page *page, u64 start, u32 len); \
-void btrfs_page_clear_##name(const struct btrfs_fs_info *fs_info, \
- struct page *page, u64 start, u32 len); \
-bool btrfs_page_test_##name(const struct btrfs_fs_info *fs_info, \
- struct page *page, u64 start, u32 len); \
-void btrfs_page_clamp_set_##name(const struct btrfs_fs_info *fs_info, \
- struct page *page, u64 start, u32 len); \
-void btrfs_page_clamp_clear_##name(const struct btrfs_fs_info *fs_info, \
- struct page *page, u64 start, u32 len); \
-bool btrfs_page_clamp_test_##name(const struct btrfs_fs_info *fs_info, \
- struct page *page, u64 start, u32 len);
+ struct folio *folio, u64 start, u32 len); \
+void btrfs_folio_set_##name(const struct btrfs_fs_info *fs_info, \
+ struct folio *folio, u64 start, u32 len); \
+void btrfs_folio_clear_##name(const struct btrfs_fs_info *fs_info, \
+ struct folio *folio, u64 start, u32 len); \
+bool btrfs_folio_test_##name(const struct btrfs_fs_info *fs_info, \
+ struct folio *folio, u64 start, u32 len); \
+void btrfs_folio_clamp_set_##name(const struct btrfs_fs_info *fs_info, \
+ struct folio *folio, u64 start, u32 len); \
+void btrfs_folio_clamp_clear_##name(const struct btrfs_fs_info *fs_info, \
+ struct folio *folio, u64 start, u32 len); \
+bool btrfs_folio_clamp_test_##name(const struct btrfs_fs_info *fs_info, \
+ struct folio *folio, u64 start, u32 len);
DECLARE_BTRFS_SUBPAGE_OPS(uptodate);
DECLARE_BTRFS_SUBPAGE_OPS(dirty);
@@ -146,13 +143,12 @@ DECLARE_BTRFS_SUBPAGE_OPS(ordered);
DECLARE_BTRFS_SUBPAGE_OPS(checked);
bool btrfs_subpage_clear_and_test_dirty(const struct btrfs_fs_info *fs_info,
- struct page *page, u64 start, u32 len);
+ struct folio *folio, u64 start, u32 len);
-void btrfs_page_assert_not_dirty(const struct btrfs_fs_info *fs_info,
- struct page *page);
-void btrfs_page_unlock_writer(struct btrfs_fs_info *fs_info, struct page *page,
- u64 start, u32 len);
+void btrfs_folio_assert_not_dirty(const struct btrfs_fs_info *fs_info, struct folio *folio);
+void btrfs_folio_unlock_writer(struct btrfs_fs_info *fs_info,
+ struct folio *folio, u64 start, u32 len);
void __cold btrfs_subpage_dump_bitmap(const struct btrfs_fs_info *fs_info,
- struct page *page, u64 start, u32 len);
+ struct folio *folio, u64 start, u32 len);
#endif