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fs: Convert mpage_readpage to mpage_read_folio

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mpage_readpage still works in terms of pages, and has not been audited
for correctness with large folios, so include an assertion that the
filesystem is not passing it large folios.  Convert all the filesystems
to call mpage_read_folio() instead of mpage_readpage().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-04-29 11:47:39 -04:00
parent 2c69e20579
commit f132ab7d3a
14 changed files with 49 additions and 47 deletions
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6
fs/fat/inode.c
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@ -205,9 +205,9 @@ static int fat_writepages(struct address_space *mapping,
return mpage_writepages(mapping, wbc, fat_get_block);
}
static int fat_readpage(struct file *file, struct page *page)
static int fat_read_folio(struct file *file, struct folio *folio)
{
return mpage_readpage(page, fat_get_block);
return mpage_read_folio(folio, fat_get_block);
}
static void fat_readahead(struct readahead_control *rac)
@ -344,7 +344,7 @@ int fat_block_truncate_page(struct inode *inode, loff_t from)
static const struct address_space_operations fat_aops = {
.dirty_folio = block_dirty_folio,
.invalidate_folio = block_invalidate_folio,
.readpage = fat_readpage,
.read_folio = fat_read_folio,
.readahead = fat_readahead,
.writepage = fat_writepage,
.writepages = fat_writepages,