[5/7] udf: Convert udf_symlink_getattr() to use a folio

Commit Message

Matthew Wilcox April 17, 2024, 3:04 p.m. UTC

We're getting this from the page cache, so it's definitely a folio.
Saves a call to compound_head() hidden in put_page().

Signed-off-by: Matthew Wilcox (Oracle) <[e-mail]>
---
 fs/udf/symlink.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

Patch

diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c
index 0105e7e2ba3d..fe03745d09b1 100644
--- a/fs/udf/symlink.c
+++ b/fs/udf/symlink.c
@@ -137,12 +137,12 @@  static int udf_symlink_getattr(struct mnt_idmap *idmap,
 {
 	struct dentry *dentry = path->dentry;
 	struct inode *inode = d_backing_inode(dentry);
-	struct page *page;
+	struct folio *folio;
 
 	generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat);
-	page = read_mapping_page(inode->i_mapping, 0, NULL);
-	if (IS_ERR(page))
-		return PTR_ERR(page);
+	folio = read_mapping_folio(inode->i_mapping, 0, NULL);
+	if (IS_ERR(folio))
+		return PTR_ERR(folio);
 	/*
 	 * UDF uses non-trivial encoding of symlinks so i_size does not match
 	 * number of characters reported by readlink(2) which apparently some
@@ -152,8 +152,8 @@  static int udf_symlink_getattr(struct mnt_idmap *idmap,
 	 * let's report the length of string returned by readlink(2) for
 	 * st_size.
 	 */
-	stat->size = strlen(page_address(page));
-	put_page(page);
+	stat->size = strlen(folio_address(folio));
+	folio_put(folio);
 
 	return 0;
 }