Remove aops->launder_folio

[blktests-ci-block-trial]

Pull request for series with
subject: Remove aops->launder_folio
version: 1
url: http://redsun45:8000/project/linux-block/list/?series=680

[blktests-ci-block-trial]

Upstream branch: a33221f
series: http://redsun45:8000/project/linux-block/list/?series=680
version: 1

Pull request is NOT updated. Failed to apply http://redsun45:8000/project/linux-block/list/?series=680
error message:

Cmd('git') failed due to: exit code(128)
  cmdline: git am --3way
  stdout: 'Applying: filemap: Export filemap_invalidate_pages() to modules
Using index info to reconstruct a base tree...
M	block/ioctl.c
M	mm/filemap.c
Falling back to patching base and 3-way merge...
Auto-merging block/ioctl.c
CONFLICT (content): Merge conflict in block/ioctl.c
Auto-merging mm/filemap.c
Patch failed at 0001 filemap: Export filemap_invalidate_pages() to modules'
  stderr: 'error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config set advice.mergeConflict false"'

conflict:

diff --cc block/ioctl.c
index 64b4e6c0f696,db5238b817b4..000000000000
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@@ -908,10 -908,16 +908,23 @@@ static int blkdev_cmd_discard(struct io
  	if (err)
  		return err;
  
++<<<<<<< HEAD
 +	err = filemap_invalidate_pages(bdev->bd_mapping, bic->start,
 +				       bic->start + bic->len - 1, bic->nowait);
 +	if (err)
 +		return err;
++=======
+ 	if (nowait) {
+ 		if (filemap_range_has_page(bdev->bd_mapping, start,
+ 					start + len - 1))
+ 			return -EAGAIN;
+ 	} else {
+ 		err = filemap_invalidate_pages(bdev->bd_mapping, start,
+ 					start + len - 1);
+ 		if (err)
+ 			return err;
+ 	}
++>>>>>>> filemap: Export filemap_invalidate_pages() to modules
  
  	while (true) {
  		bio = blk_alloc_discard_bio(bdev, &sector, &nr_sects, gfp);