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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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8
fs/ext2/inode.c
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@ -875,9 +875,9 @@ static int ext2_writepage(struct page *page, struct writeback_control *wbc)
return block_write_full_page(page, ext2_get_block, wbc);
}
static int ext2_readpage(struct file *file, struct page *page)
static int ext2_read_folio(struct file *file, struct folio *folio)
{
return mpage_readpage(page, ext2_get_block);
return mpage_read_folio(folio, ext2_get_block);
}
static void ext2_readahead(struct readahead_control *rac)
@ -966,7 +966,7 @@ ext2_dax_writepages(struct address_space *mapping, struct writeback_control *wbc
const struct address_space_operations ext2_aops = {
.dirty_folio = block_dirty_folio,
.invalidate_folio = block_invalidate_folio,
.readpage = ext2_readpage,
.read_folio = ext2_read_folio,
.readahead = ext2_readahead,
.writepage = ext2_writepage,
.write_begin = ext2_write_begin,
@ -982,7 +982,7 @@ const struct address_space_operations ext2_aops = {
const struct address_space_operations ext2_nobh_aops = {
.dirty_folio = block_dirty_folio,
.invalidate_folio = block_invalidate_folio,
.readpage = ext2_readpage,
.read_folio = ext2_read_folio,
.readahead = ext2_readahead,
.writepage = ext2_nobh_writepage,
.write_begin = ext2_nobh_write_begin,