Since new --rootdir can allocate chunk, it will modify the chunk
allocation result.
This patch will update allocation info before verbose output to reflect
such info.
Signed-off-by: Qu Wenruo
---
mkfs/main.c | 33 +
1 file changed, 33 insertions(+)
diff --git a/mkfs/main.c b/mkfs/main.c
index 0866e40d155f..6aefb50a8033 100644
--- a/mkfs/main.c
+++ b/mkfs/main.c
@@ -670,6 +670,38 @@ out:
return ret;
}
+/*
+ * Just update chunk allocation info, since --rootdir may allocate new
+ * chunks which is not updated in @allocation structure.
+ */
+static void update_chunk_allocation(struct btrfs_fs_info *fs_info,
+ struct mkfs_allocation *allocation)
+{
+ struct btrfs_block_group_cache *bg_cache;
+ u64 mixed_flag = BTRFS_BLOCK_GROUP_DATA | BTRFS_BLOCK_GROUP_METADATA;
+ u64 search_start = 0;
+
+ allocation->mixed = 0;
+ allocation->data = 0;
+ allocation->metadata = 0;
+ allocation->system = 0;
+ while (1) {
+ bg_cache = btrfs_lookup_first_block_group(fs_info,
+ search_start);
+ if (!bg_cache)
+ break;
+ if ((bg_cache->flags & mixed_flag) == mixed_flag)
+ allocation->mixed += bg_cache->key.offset;
+ else if (bg_cache->flags & BTRFS_BLOCK_GROUP_DATA)
+ allocation->data += bg_cache->key.offset;
+ else if (bg_cache->flags & BTRFS_BLOCK_GROUP_METADATA)
+ allocation->metadata += bg_cache->key.offset;
+ else
+ allocation->system += bg_cache->key.offset;
+ search_start = bg_cache->key.objectid + bg_cache->key.offset;
+ }
+}
+
int main(int argc, char **argv)
{
char *file;
@@ -1164,6 +1196,7 @@ raid_groups:
if (verbose) {
char features_buf[64];
+ update_chunk_allocation(fs_info, &allocation);
printf("Label: %s\n", label);
printf("UUID: %s\n", mkfs_cfg.fs_uuid);
printf("Node size: %u\n", nodesize);
--
2.14.2
--
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