Commit 1583a7de authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: do not support mmap write for large folio 



Let's check mmap writes onto the large folio, since we don't support writing
large folios.

Reviewed-by: default avatarDaeho Jeong <daehojeong@google.com>
Reviewed-by: default avatarChao Yu <chao@kernel.org>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent b635f2ec

fs/f2fs/file.c

+10 −1
Original line number Diff line number Diff line
@@ -82,8 +82,17 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf) 
	int err = 0;

	vm_fault_t ret;



	if (unlikely(IS_IMMUTABLE(inode)))

	/*

	 * We only support large folio on the read case.

	 * Don't make any dirty pages.

	 */

	if (unlikely(IS_IMMUTABLE(inode)) ||

	    mapping_large_folio_support(inode->i_mapping)) {

		f2fs_err(sbi, "Not expected: immutable: %d large_folio: %d",

				IS_IMMUTABLE(inode),

				mapping_large_folio_support(inode->i_mapping));

		return VM_FAULT_SIGBUS;

	}



	if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {

		err = -EIO;