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erofs: adapt folios for z_erofs_read_folio()

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

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230817083942.103303-1-hsiangkao@linux.alibaba.com
This commit is contained in:
Gao Xiang 2023-08-17 16:39:42 +08:00
parent 491b1105a8
commit c33ad3b2b7
2 changed files with 12 additions and 13 deletions
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9
fs/erofs/zdata.c
View File

@ -1822,17 +1822,16 @@ 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 << PAGE_SHIFT;
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);

16
include/trace/events/erofs.h
View File

@ -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;
),