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btrfs: remove useless used space increment during space reservation 

At space-info.c:__reserve_bytes(), we increment the 'used' variable, but
then we don't use the variable anymore, making the increment pointless.
The increment became useless with commit 2e294c6049 ("btrfs: simplify
the logic in need_preemptive_flushing"), so just remove it.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Filipe Manana 2022-09-08 12:31:52 +01:00 committed by David Sterba
parent 650c8a9c7d
commit b0b47a3859
1 changed files with 0 additions and 1 deletions
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fs/btrfs/space-info.c
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@ -1686,7 +1686,6 @@ static int __reserve_bytes(struct btrfs_fs_info *fs_info,
&space_info->priority_tickets);
}
} else if (!ret && space_info->flags & BTRFS_BLOCK_GROUP_METADATA) {
used += orig_bytes;
/*
* We will do the space reservation dance during log replay,
* which means we won't have fs_info->fs_root set, so don't do