ext2: Convert ext2_empty_dir() to use a folio

Save two calls to compound_head() by using the folio API.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20230921200746.3303942-6-willy@infradead.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2023-09-21 21:07:43 +01:00 committed by Jan Kara
parent 1de0736c3a
commit f4b830cfce

View file

@ -669,16 +669,16 @@ int ext2_make_empty(struct inode *inode, struct inode *parent)
/*
* routine to check that the specified directory is empty (for rmdir)
*/
int ext2_empty_dir (struct inode * inode)
int ext2_empty_dir(struct inode *inode)
{
struct page *page;
struct folio *folio;
char *kaddr;
unsigned long i, npages = dir_pages(inode);
for (i = 0; i < npages; i++) {
ext2_dirent *de;
kaddr = ext2_get_page(inode, i, 0, &page);
kaddr = ext2_get_folio(inode, i, 0, &folio);
if (IS_ERR(kaddr))
return 0;
@ -707,12 +707,12 @@ int ext2_empty_dir (struct inode * inode)
}
de = ext2_next_entry(de);
}
ext2_put_page(page, kaddr);
folio_release_kmap(folio, kaddr);
}
return 1;
not_empty:
ext2_put_page(page, kaddr);
folio_release_kmap(folio, kaddr);
return 0;
}