[PATCH] f2fs: use finish zone command when closing a zone

[Daeho Jeong <daeho43@gmail.com>]

From: Daeho Jeong <daehojeong@google.com>

Use the finish zone command first when a zone should be closed.

Signed-off-by: Daeho Jeong <daehojeong@google.com>
---
 fs/f2fs/segment.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index b38bf2b34490..d05b41608fc0 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -4948,12 +4948,19 @@ static int check_zone_write_pointer(struct f2fs_sb_info *sbi,
 		    GET_BLKOFF_FROM_SEG0(sbi, last_valid_block),
 		    wp_segno, wp_blkoff);
 
-	ret = blkdev_issue_zeroout(fdev->bdev, zone->wp,
-				zone->len - (zone->wp - zone->start),
-				GFP_NOFS, 0);
-	if (ret)
-		f2fs_err(sbi, "Fill up zone failed: %s (errno=%d)",
-			 fdev->path, ret);
+	ret = blkdev_zone_mgmt(fdev->bdev, REQ_OP_ZONE_FINISH,
+				zone->start, zone->len, GFP_NOFS);
+	if (ret == -EOPNOTSUPP) {
+		ret = blkdev_issue_zeroout(fdev->bdev, zone->wp,
+					zone->len - (zone->wp - zone->start),
+					GFP_NOFS, 0);
+		if (ret)
+			f2fs_err(sbi, "Fill up zone failed: %s (errno=%d)",
+					fdev->path, ret);
+	} else if (ret) {
+		f2fs_err(sbi, "Finishing zone failed: %s (errno=%d)",
+				fdev->path, ret);
+	}
 
 	return ret;
 }
-- 
2.42.0.rc1.204.g551eb34607-goog