return ilog2(blocksize);
}
-static struct buffer_head *create_page_buffers(struct page *page, struct inode *inode, unsigned int b_state)
+static struct buffer_head *folio_create_buffers(struct folio *folio,
+ struct inode *inode,
+ unsigned int b_state)
{
- BUG_ON(!PageLocked(page));
+ BUG_ON(!folio_test_locked(folio));
- if (!page_has_buffers(page))
- create_empty_buffers(page, 1 << READ_ONCE(inode->i_blkbits),
- b_state);
- return page_buffers(page);
+ if (!folio_buffers(folio))
+ folio_create_empty_buffers(folio,
+ 1 << READ_ONCE(inode->i_blkbits),
+ b_state);
+ return folio_buffers(folio);
}
/*
int nr_underway = 0;
blk_opf_t write_flags = wbc_to_write_flags(wbc);
- head = create_page_buffers(page, inode,
- (1 << BH_Dirty)|(1 << BH_Uptodate));
+ head = folio_create_buffers(page_folio(page), inode,
+ (1 << BH_Dirty) | (1 << BH_Uptodate));
/*
* Be very careful. We have no exclusion from block_dirty_folio
BUG_ON(to > PAGE_SIZE);
BUG_ON(from > to);
- head = create_page_buffers(&folio->page, inode, 0);
+ head = folio_create_buffers(folio, inode, 0);
blocksize = head->b_size;
bbits = block_size_bits(blocksize);
VM_BUG_ON_FOLIO(folio_test_large(folio), folio);
- head = create_page_buffers(&folio->page, inode, 0);
+ head = folio_create_buffers(folio, inode, 0);
blocksize = head->b_size;
bbits = block_size_bits(blocksize);