diff mbox series

[4/6] qnx6: Convert qnx6_checkroot() to use a folio

Message ID 20240710155946.2257293-5-willy@infradead.org (mailing list archive)
State New
Headers show
Series Convert qnx6 directory handling to folios | expand

Commit Message

Matthew Wilcox July 10, 2024, 3:59 p.m. UTC 
Removes a use of kmap and removes a conversion from folio to page.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 fs/qnx6/inode.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/fs/qnx6/inode.c b/fs/qnx6/inode.c
index 4f1735b882b1..6adee850278e 100644
--- a/fs/qnx6/inode.c
+++ b/fs/qnx6/inode.c
@@ -184,17 +184,17 @@  static const char *qnx6_checkroot(struct super_block *s)
 	struct qnx6_dir_entry *dir_entry;
 	struct inode *root = d_inode(s->s_root);
 	struct address_space *mapping = root->i_mapping;
-	struct page *page = read_mapping_page(mapping, 0, NULL);
-	if (IS_ERR(page))
+	struct folio *folio = read_mapping_folio(mapping, 0, NULL);
+
+	if (IS_ERR(folio))
 		return "error reading root directory";
-	kmap(page);
-	dir_entry = page_address(page);
+	dir_entry = kmap_local_folio(folio, 0);
 	for (i = 0; i < 2; i++) {
 		/* maximum 3 bytes - due to match_root limitation */
 		if (strncmp(dir_entry[i].de_fname, match_root[i], 3))
 			error = 1;
 	}
-	qnx6_put_page(page);
+	folio_release_kmap(folio, dir_entry);
 	if (error)
 		return "error reading root directory.";
 	return NULL;