[PATCH 3/6] zloop: improve the unaligned write pointer warning

[Christoph Hellwig <hch@lst.de>]

Use the IS_ALIGNED helper and avoid extra conversions, and tell the
user what the unaligned size is.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/zloop.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/block/zloop.c b/drivers/block/zloop.c
index fc54480ed62d..a738f8629062 100644
--- a/drivers/block/zloop.c
+++ b/drivers/block/zloop.c
@@ -313,9 +313,9 @@ static int zloop_update_seq_zone(struct zloop_device *zlo, unsigned int zone_no)
 		return -EINVAL;
 	}
 
-	if (file_sectors & ((zlo->block_size >> SECTOR_SHIFT) - 1)) {
-		pr_err("Zone %u file size not aligned to block size %u\n",
-		       zone_no, zlo->block_size);
+	if (!IS_ALIGNED(stat.size, zlo->block_size)) {
+		pr_err("Zone %u file size (%llu) not aligned to block size %u\n",
+		       zone_no, stat.size, zlo->block_size);
 		return -EINVAL;
 	}
 
-- 
2.53.0