Commit 605e806166847872bb91831b397d58f95027975a broke the
mkfs.btrfs -r option, because it calls make_btrfs
without ever setting dev_block_count, in the -r case,
so we tell it to make a filesystem of size 0.
Then we wander into ENOSPC land and segfault.
As a quick one-line-fix, just set the dev_block_count
to the size of the destination image file.
Signed-off-by: Eric Sandeen <sand...@redhat.com>
---
diff --git a/mkfs.c b/mkfs.c
index fbf8319..940702d 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -1337,6 +1337,8 @@ int main(int ac, char **av)
fprintf(stderr, "unable to zero the output file\n");
exit(1);
}
+ /* our "device" is the new image file */
+ dev_block_count = block_count;
}
if (mixed) {
if (metadata_profile != data_profile) {
--
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