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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2026-08-06 12:58:24 -0400 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2026-08-31 10:19:21 +0200 |
| commit | 719ecb98ffe7ce040abc263e00befbb201d5be97 (patch) | |
| tree | 94d956fe0931487ea47a5e620d0d9ff47e4d58d0 /include | |
| parent | cee9395acd8043be0644b25c34bfa86623f2b935 (diff) | |
| download | linux-next-719ecb98ffe7ce040abc263e00befbb201d5be97.tar.gz linux-next-719ecb98ffe7ce040abc263e00befbb201d5be97.zip | |
buffer_head: Remove b_page
All users except bh_offset() have been converted to use b_folio instead.
Convert bh_offset() and remove b_page.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Chao Shi <coshi036@gmail.com>
Acked-by: Weidong Zhu <weizhu@fiu.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/e9d168901578902bffe78ac8b5dfaf1210ee7fb3.1785951556.git.coshi036@gmail.com
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/buffer_head.h | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index fd2c7115c054..699970b4bbf2 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -59,10 +59,7 @@ struct address_space; struct buffer_head { unsigned long b_state; /* buffer state bitmap (see above) */ struct buffer_head *b_this_page;/* circular list of page's buffers */ - union { - struct page *b_page; /* the page this bh is mapped to */ - struct folio *b_folio; /* the folio this bh is mapped to */ - }; + struct folio *b_folio; /* the folio this bh is mapped to */ sector_t b_blocknr; /* start block number */ size_t b_size; /* size of mapping */ @@ -172,7 +169,7 @@ static __always_inline int buffer_uptodate(const struct buffer_head *bh) static inline unsigned long bh_offset(const struct buffer_head *bh) { - return (unsigned long)(bh)->b_data & (page_size(bh->b_page) - 1); + return (unsigned long)(bh)->b_data & (folio_size(bh->b_folio) - 1); } /* If we *know* page->private refers to buffer_heads */ |