btrfs: use smaller type for btrfs_path lowest_level · 7853f15b2a - Gogs: Go Git Service GfA electronic

btrfs: use smaller type for btrfs_path lowest_level

The level is 0..7, we can use smaller type. The size of btrfs_path is now
136 bytes from 144, which is +2 objects that fit into a 4k slab.

Signed-off-by: David Sterba <dsterba@suse.com>

David Sterba 9 years ago

parent

dccabfad20

commit

7853f15b2a

1 changed files with 1 additions and 1 deletions

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							+ 1
							
							- 1
						
fs/btrfs/ctree.h
							 
								View File
							
				@@ -598,7 +598,7 @@ struct btrfs_path {
			
				 	int locks[BTRFS_MAX_LEVEL];
			
				 	u8 reada;
			
				 	/* keep some upper locks as we walk down */
			
				-	int lowest_level;
			
				+	u8 lowest_level;
			
				 	/*
			
				 	 * set by btrfs_split_item, tells search_slot to keep all locks