diff options
| -rw-r--r-- | btrfs-image.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/btrfs-image.c b/btrfs-image.c index 188291ca..739ae357 100644 --- a/btrfs-image.c +++ b/btrfs-image.c @@ -506,7 +506,8 @@ static int flush_pending(struct metadump_struct *md, int done) } while (!md->data && size > 0) { - eb = read_tree_block(md->root, start, blocksize, 0); + u64 this_read = min(blocksize, size); + eb = read_tree_block(md->root, start, this_read, 0); if (!eb) { free(async->buffer); free(async); @@ -516,9 +517,9 @@ static int flush_pending(struct metadump_struct *md, int done) } copy_buffer(async->buffer + offset, eb); free_extent_buffer(eb); - start += blocksize; - offset += blocksize; - size -= blocksize; + start += this_read; + offset += this_read; + size -= this_read; } md->pending_start = (u64)-1; |