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btrfs: rename the btrfs_calc_*_metadata_size helpers

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btrfs_calc_trunc_metadata_size differs from trans_metadata_size in that
it doesn't take into account any splitting at the levels, because
truncate will never split nodes.  However truncate _and_ changing will
never split nodes, so rename btrfs_calc_trunc_metadata_size to
btrfs_calc_metadata_size.  Also btrfs_calc_trans_metadata_size is purely
for inserting items, so rename this to btrfs_calc_insert_metadata_size.
Making these clearer will help when I start using them differently in
upcoming patches.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2019-08-22 15:14:33 -04:00 • committed by David Sterba
parent 0785a9aacf
commit 2bd36e7b4f
13 changed files with 34 additions and 30 deletions
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4
fs/btrfs/delayed-inode.c
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@ -558,7 +558,7 @@ static int btrfs_delayed_item_reserve_metadata(struct btrfs_trans_handle *trans,
src_rsv = trans->block_rsv;
dst_rsv = &fs_info->delayed_block_rsv;
num_bytes = btrfs_calc_trans_metadata_size(fs_info, 1);
num_bytes = btrfs_calc_insert_metadata_size(fs_info, 1);
/*
* Here we migrate space rsv from transaction rsv, since have already
@ -612,7 +612,7 @@ static int btrfs_delayed_inode_reserve_metadata(
src_rsv = trans->block_rsv;
dst_rsv = &fs_info->delayed_block_rsv;
num_bytes = btrfs_calc_trans_metadata_size(fs_info, 1);
num_bytes = btrfs_calc_insert_metadata_size(fs_info, 1);
/*
* btrfs_dirty_inode will update the inode under btrfs_join_transaction