Btrfs-progs: return error on write failure in make_btrfs()

Instead of aborting with a BUG_ON() statement, return a
negated errno code. Also updated mkfs and convert tools
to print a nicer error message when make_btrfs() returns
an error.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/mkfs.c b/mkfs.c
index ade85c78..60f906cd 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -1534,7 +1534,7 @@ int main(int ac, char **av)
 			 nodesize, leafsize,
 			 sectorsize, stripesize);
 	if (ret) {
-		fprintf(stderr, "error during mkfs %d\n", ret);
+		fprintf(stderr, "error during mkfs: %s\n", strerror(-ret));
 		exit(1);
 	}