If we are cycling through all of the mirrors trying to find the best one we need
to make sure we set best_mirror to an actual mirror number and not 0. Otherwise
we could end up reading a mirror that wasn't the best and make everybody sad.
Thanks,
Signed-off-by: Josef Bacik <jbacik@xxxxxx>
---
disk-io.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/disk-io.c b/disk-io.c
index e840177..0bd1bb0 100644
--- a/disk-io.c
+++ b/disk-io.c
@@ -297,7 +297,7 @@ struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
ignore = 1;
continue;
}
- if (btrfs_header_generation(eb) > best_transid) {
+ if (btrfs_header_generation(eb) > best_transid && mirror_num) {
best_transid = btrfs_header_generation(eb);
good_mirror = mirror_num;
}
--
1.8.3.1
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