erofs: Convert erofs zdata to read_folio

This is a "weak" conversion which converts straight back to using pages.
A full conversion should be performed at some point, hopefully by
someone familiar with the filesystem.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-04-29 11:12:16 -04:00
parent 356d9fbb09
commit a2e20a25a1

View File

@ -791,7 +791,7 @@ err_out:
static bool z_erofs_get_sync_decompress_policy(struct erofs_sb_info *sbi,
unsigned int readahead_pages)
{
/* auto: enable for readpage, disable for readahead */
/* auto: enable for read_folio, disable for readahead */
if ((sbi->opt.sync_decompress == EROFS_SYNC_DECOMPRESS_AUTO) &&
!readahead_pages)
return true;
@ -1488,8 +1488,9 @@ skip:
}
}
static int z_erofs_readpage(struct file *file, struct page *page)
static int z_erofs_read_folio(struct file *file, struct folio *folio)
{
struct page *page = &folio->page;
struct inode *const inode = page->mapping->host;
struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
struct z_erofs_decompress_frontend f = DECOMPRESS_FRONTEND_INIT(inode);
@ -1563,6 +1564,6 @@ static void z_erofs_readahead(struct readahead_control *rac)
}
const struct address_space_operations z_erofs_aops = {
.readpage = z_erofs_readpage,
.read_folio = z_erofs_read_folio,
.readahead = z_erofs_readahead,
};