* page and ignore dest, but it must still be non-NULL to avoid the
* counting-only behavior.
* @len: length in bytes to read
- * @dest_page: copy into this page instead of the dest buffer
+ * @dest_folio: copy into this folio instead of the dest buffer
*
* Helper function to read items from the btree. This returns the number of
* bytes read or < 0 for errors. We can return short reads if the items don't
* Returns number of bytes read or a negative error code on failure.
*/
static int read_key_bytes(struct btrfs_inode *inode, u8 key_type, u64 offset,
- char *dest, u64 len, struct page *dest_page)
+ char *dest, u64 len, struct folio *dest_folio)
{
struct btrfs_path *path;
struct btrfs_root *root = inode->root;
if (!path)
return -ENOMEM;
- if (dest_page)
+ if (dest_folio)
path->reada = READA_FORWARD;
key.objectid = btrfs_ino(inode);
copy_offset = offset - key.offset;
if (dest) {
- if (dest_page)
- kaddr = kmap_local_page(dest_page);
+ if (dest_folio)
+ kaddr = kmap_local_folio(dest_folio, 0);
data = btrfs_item_ptr(leaf, path->slots[0], void);
read_extent_buffer(leaf, kaddr + dest_offset,
(unsigned long)data + copy_offset,
copy_bytes);
- if (dest_page)
+ if (dest_folio)
kunmap_local(kaddr);
}
* [ inode objectid, BTRFS_MERKLE_ITEM_KEY, offset in bytes ]
*/
ret = read_key_bytes(BTRFS_I(inode), BTRFS_VERITY_MERKLE_ITEM_KEY, off,
- folio_address(folio), PAGE_SIZE, &folio->page);
+ folio_address(folio), PAGE_SIZE, folio);
if (ret < 0) {
folio_put(folio);
return ERR_PTR(ret);