fscrypt_decrypt_pagecache_blocks
err = fscrypt_decrypt_pagecache_blocks(bh->b_folio, bh->b_size,
int err = fscrypt_decrypt_pagecache_blocks(fi.folio, fi.length,
EXPORT_SYMBOL(fscrypt_decrypt_pagecache_blocks);
err2 = fscrypt_decrypt_pagecache_blocks(folio,
err = fscrypt_decrypt_pagecache_blocks(folio,
int fscrypt_decrypt_pagecache_blocks(struct folio *folio, size_t len,