Commit e41570d3 authored by David Sterba's avatar David Sterba
Browse files

btrfs: reduce size and reorder compression members in struct btrfs_inode 



Currently the compression type values are bounded and fit to an u8, we
can pack the btrfs_inode a bit by reordering them to the space created
by the location key. This reduces size from 1112 to 1104.

Reviewed-by: default avatarQu Wenruo <wqu@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 105c8c42

fs/btrfs/btrfs_inode.h

+9 −10
Original line number Diff line number Diff line
@@ -81,6 +81,15 @@ struct btrfs_inode { 
	 */

	struct btrfs_key location;



	/* Cached value of inode property 'compression'. */

	u8 prop_compress;



	/*

	 * Force compression on the file using the defrag ioctl, could be

	 * different from prop_compress and takes precedence if set.

	 */

	u8 defrag_compress;



	/*

	 * Lock for counters and all fields used to determine if the inode is in

	 * the log or not (last_trans, last_sub_trans, last_log_commit,
@@ -235,16 +244,6 @@ struct btrfs_inode { 


	struct btrfs_block_rsv block_rsv;



	/*

	 * Cached values of inode properties

	 */

	unsigned prop_compress;		/* per-file compression algorithm */

	/*

	 * Force compression on the file using the defrag ioctl, could be

	 * different from prop_compress and takes precedence if set

	 */

	unsigned defrag_compress;



	struct btrfs_delayed_node *delayed_node;



	/* File creation time. */