[PATCH 8/8] erofs: adapt folios for z_erofs_read_folio()

[Gao Xiang]

It's a straight-forward conversion and no logic changes (except that
it renames the corresponding tracepoint.)

Signed-off-by: Gao Xiang <hsiang...@linux.alibaba.com>
---
erofs stress test passes.

 fs/erofs/zdata.c             |  9 ++++-----
 include/trace/events/erofs.h | 16 ++++++++--------
 2 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index 79cadb88e8bf..ace727bfe5b2 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -1821,17 +1821,16 @@ static void z_erofs_pcluster_readmore(struct 
z_erofs_decompress_frontend *f,
 
 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 inode *const inode = folio->mapping->host;
        struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
        struct z_erofs_decompress_frontend f = DECOMPRESS_FRONTEND_INIT(inode);
        int err;
 
-       trace_erofs_readpage(page, false);
-       f.headoffset = (erofs_off_t)page->index << PAGE_SHIFT;
+       trace_erofs_read_folio(folio, false);
+       f.headoffset = (erofs_off_t)folio->index << folio_shift(folio);
 
        z_erofs_pcluster_readmore(&f, NULL, true);
-       err = z_erofs_do_read_page(&f, page);
+       err = z_erofs_do_read_page(&f, &folio->page);
        z_erofs_pcluster_readmore(&f, NULL, false);
        z_erofs_pcluster_end(&f);
 
diff --git a/include/trace/events/erofs.h b/include/trace/events/erofs.h
index 71dbe8bfa7db..e18684b02c3d 100644
--- a/include/trace/events/erofs.h
+++ b/include/trace/events/erofs.h
@@ -80,11 +80,11 @@ TRACE_EVENT(erofs_fill_inode,
                  __entry->blkaddr, __entry->ofs)
 );
 
-TRACE_EVENT(erofs_readpage,
+TRACE_EVENT(erofs_read_folio,
 
-       TP_PROTO(struct page *page, bool raw),
+       TP_PROTO(struct folio *folio, bool raw),
 
-       TP_ARGS(page, raw),
+       TP_ARGS(folio, raw),
 
        TP_STRUCT__entry(
                __field(dev_t,          dev     )
@@ -96,11 +96,11 @@ TRACE_EVENT(erofs_readpage,
        ),
 
        TP_fast_assign(
-               __entry->dev    = page->mapping->host->i_sb->s_dev;
-               __entry->nid    = EROFS_I(page->mapping->host)->nid;
-               __entry->dir    = S_ISDIR(page->mapping->host->i_mode);
-               __entry->index  = page->index;
-               __entry->uptodate = PageUptodate(page);
+               __entry->dev    = folio->mapping->host->i_sb->s_dev;
+               __entry->nid    = EROFS_I(folio->mapping->host)->nid;
+               __entry->dir    = S_ISDIR(folio->mapping->host->i_mode);
+               __entry->index  = folio->index;
+               __entry->uptodate = folio_test_uptodate(folio);
                __entry->raw = raw;
        ),
 
-- 
2.24.4