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[v2,09/29] ext4: Convert ext4_readpage_inline() to take a folio

Message ID 20230324180129.1220691-10-willy@infradead.org
State Awaiting Upstream
Headers show
Series Convert most of ext4 to folios | expand

Commit Message

Matthew Wilcox (Oracle) March 24, 2023, 6:01 p.m. UTC 
Use the folio API in this function, saves a few calls to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
---
 fs/ext4/ext4.h   |  2 +-
 fs/ext4/inline.c | 14 +++++++-------
 fs/ext4/inode.c  |  2 +-
 3 files changed, 9 insertions(+), 9 deletions(-)
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Patch

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index bee344ebd385..1de5d838996a 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -3550,7 +3550,7 @@  extern int ext4_init_inline_data(handle_t *handle, struct inode *inode,
 				 unsigned int len);
 extern int ext4_destroy_inline_data(handle_t *handle, struct inode *inode);
 
-extern int ext4_readpage_inline(struct inode *inode, struct page *page);
+int ext4_readpage_inline(struct inode *inode, struct folio *folio);
 extern int ext4_try_to_write_inline_data(struct address_space *mapping,
 					 struct inode *inode,
 					 loff_t pos, unsigned len,
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index 1602d74b5eeb..e9bae3002319 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -501,7 +501,7 @@  static int ext4_read_inline_page(struct inode *inode, struct page *page)
 	return ret;
 }
 
-int ext4_readpage_inline(struct inode *inode, struct page *page)
+int ext4_readpage_inline(struct inode *inode, struct folio *folio)
 {
 	int ret = 0;
 
@@ -515,16 +515,16 @@  int ext4_readpage_inline(struct inode *inode, struct page *page)
 	 * Current inline data can only exist in the 1st page,
 	 * So for all the other pages, just set them uptodate.
 	 */
-	if (!page->index)
-		ret = ext4_read_inline_page(inode, page);
-	else if (!PageUptodate(page)) {
-		zero_user_segment(page, 0, PAGE_SIZE);
-		SetPageUptodate(page);
+	if (!folio->index)
+		ret = ext4_read_inline_page(inode, &folio->page);
+	else if (!folio_test_uptodate(folio)) {
+		folio_zero_segment(folio, 0, folio_size(folio));
+		folio_mark_uptodate(folio);
 	}
 
 	up_read(&EXT4_I(inode)->xattr_sem);
 
-	unlock_page(page);
+	folio_unlock(folio);
 	return ret >= 0 ? 0 : ret;
 }
 
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 4119c63c1215..6287cd1aa97e 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3155,7 +3155,7 @@  static int ext4_read_folio(struct file *file, struct folio *folio)
 	trace_ext4_readpage(page);
 
 	if (ext4_has_inline_data(inode))
-		ret = ext4_readpage_inline(inode, page);
+		ret = ext4_readpage_inline(inode, folio);
 
 	if (ret == -EAGAIN)
 		return ext4_mpage_readpages(inode, NULL, page);