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udf: Convert udf_symlink_getattr() to use a folio

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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) <willy@infradead.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20240417150416.752929-6-willy@infradead.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-04-17 16:04:11 +01:00 committed by Jan Kara
parent d257d924a3
commit 2f1c1bd7b1
1 changed files with 6 additions and 6 deletions
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12
fs/udf/symlink.c
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@ -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;
}