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btrfs: Remove redundant setting of uuid in btrfs_block_header 

btrfs_alloc_dev_extent currently unconditionally sets the uuid in the
leaf block header the function is working with. This is unnecessary
since this operation is peformed by the core btree handling code
(splitting a node, allocating a new btree block etc). So let's remove
it.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2017-07-28 10:50:14 +03:00 committed by David Sterba
parent 583b723151
commit 0ce1dd2a4a
1 changed files with 0 additions and 2 deletions
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fs/btrfs/volumes.c
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@ -1603,8 +1603,6 @@ static int btrfs_alloc_dev_extent(struct btrfs_trans_handle *trans,
btrfs_set_dev_extent_chunk_objectid(leaf, extent, chunk_objectid);
btrfs_set_dev_extent_chunk_offset(leaf, extent, chunk_offset);
write_extent_buffer_chunk_tree_uuid(leaf, fs_info->chunk_tree_uuid);
btrfs_set_dev_extent_length(leaf, extent, num_bytes);
btrfs_mark_buffer_dirty(leaf);
out: