f2fs: Only lfs mode is allowed with zoned block device feature

Now f2fs support four block allocation modes: lfs, adaptive,
fragment:segment, fragment:block. Only lfs mode is allowed with zoned block
device feature.

Fixes: 6691d94 ("f2fs: introduce fragment allocation mode mount option")
Signed-off-by: Chunhai Guo <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>

Author: Chunhai Guo

fs/f2fs/super.c

@@ -862,11 +862,6 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
 			if (!name)
 				return -ENOMEM;
 			if (!strcmp(name, "adaptive")) {
-				if (f2fs_sb_has_blkzoned(sbi)) {
-					f2fs_warn(sbi, "adaptive mode is not allowed with zoned block device feature");
-					kfree(name);
-					return -EINVAL;
-				}
 				F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE;
 			} else if (!strcmp(name, "lfs")) {
 				F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS;
@@ -1331,6 +1326,11 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
 			F2FS_OPTION(sbi).discard_unit =
 					DISCARD_UNIT_SECTION;
 		}
+
+		if (F2FS_OPTION(sbi).fs_mode != FS_MODE_LFS) {
+			f2fs_info(sbi, "Only lfs mode is allowed with zoned block device feature");
+			return -EINVAL;
+		}
 #else
 		f2fs_err(sbi, "Zoned block device support is not enabled");
 		return -EINVAL;