Commit b372e96b authored by NeilBrown's avatar NeilBrown Committed by Ilya Dryomov
Browse files

ceph: redirty page before returning AOP_WRITEPAGE_ACTIVATE 



The page has been marked clean before writepage is called.  If we don't
redirty it before postponing the write, it might never get written.

Cc: stable@vger.kernel.org
Fixes: 503d4fa6 ("ceph: remove reliance on bdi congestion")
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Reviewed-by: default avatarXiubo Li <xiubli@redhat.org>
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent fec50db7

fs/ceph/addr.c

+3 −1
Original line number Diff line number Diff line
@@ -795,8 +795,10 @@ static int ceph_writepage(struct page *page, struct writeback_control *wbc) 
	ihold(inode);



	if (wbc->sync_mode == WB_SYNC_NONE &&

	    ceph_inode_to_fs_client(inode)->write_congested)

	    ceph_inode_to_fs_client(inode)->write_congested) {

		redirty_page_for_writepage(wbc, page);

		return AOP_WRITEPAGE_ACTIVATE;

	}



	wait_on_page_fscache(page);