Commit 2f1c1bd7 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle) Committed by Jan Kara
Browse files

udf: Convert udf_symlink_getattr() to use a folio 



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: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Message-Id: <20240417150416.752929-6-willy@infradead.org>
parent d257d924

fs/udf/symlink.c

+6 −6
Original line number Diff line number Diff line
@@ -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;

}