[PATCH v5 1/7] btrfs-progs: add option for checksum type to mkfs

[Johannes Thumshirn <jthumshirn@suse.de>]

Add an option to mkfs to specify which checksum algorithm will be used for
the filesystem.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
---
 mkfs/main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mkfs/main.c b/mkfs/main.c
index 7a7b6417a947..61184c8e7525 100644
--- a/mkfs/main.c
+++ b/mkfs/main.c
@@ -354,6 +354,7 @@ static void print_usage(int ret)
 	printf("\t--shrink                (with --rootdir) shrink the filled filesystem to minimal size\n");
 	printf("\t-K|--nodiscard          do not perform whole device TRIM\n");
 	printf("\t-f|--force              force overwrite of existing filesystem\n");
+	printf("\t--checksum              checksum algorithm to use (default: crc32c)\n");
 	printf("  general:\n");
 	printf("\t-q|--quiet              no messages except errors\n");
 	printf("\t-V|--version            print the mkfs.btrfs version and exit\n");
-- 
2.16.4