diff mbox series

[4/5] ceph: Convert ceph_zero_partial_page() to use a folio

Message ID 20250612143443.2848197-5-willy@infradead.org
State New
Headers show
Series Remove zero_user() | expand

Commit Message

Matthew Wilcox (Oracle) June 12, 2025, 2:34 p.m. UTC 
Retrieve a folio from the pagecache instead of a page and operate on it.
Removes several hidden calls to compound_head() along with calls to
deprecated functions like wait_on_page_writeback() and find_lock_page().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 fs/ceph/file.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)
diff mbox series

Patch

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index a7254cab44cc..d5c674d2ba8a 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -2530,18 +2530,17 @@  static loff_t ceph_llseek(struct file *file, loff_t offset, int whence)
 	return generic_file_llseek(file, offset, whence);
 }
 
-static inline void ceph_zero_partial_page(
-	struct inode *inode, loff_t offset, unsigned size)
+static inline void ceph_zero_partial_page(struct inode *inode,
+		loff_t offset, size_t size)
 {
-	struct page *page;
-	pgoff_t index = offset >> PAGE_SHIFT;
-
-	page = find_lock_page(inode->i_mapping, index);
-	if (page) {
-		wait_on_page_writeback(page);
-		zero_user(page, offset & (PAGE_SIZE - 1), size);
-		unlock_page(page);
-		put_page(page);
+	struct folio *folio;
+
+	folio = filemap_lock_folio(inode->i_mapping, offset >> PAGE_SHIFT);
+	if (folio) {
+		folio_wait_writeback(folio);
+		folio_zero_range(folio, offset_in_folio(folio, offset), size);
+		folio_unlock(folio);
+		folio_put(folio);
 	}
 }