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btrfs: reduce size and reorder compression members in struct btrfs_inode

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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: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2023-09-08 01:09:38 +02:00
parent 105c8c4214
commit e41570d379
1 changed files with 9 additions and 10 deletions
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19
fs/btrfs/btrfs_inode.h
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@@ -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. */