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Btrfs: remove confusing tracepoint in btrfs_add_reserved_bytes

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Here we're not releasing any space, but transferring bytes from
->bytes_may_use to ->bytes_reserved. The last change to the code in
commit 18513091af ("btrfs: update btrfs_space_info's
bytes_may_use timely") removed a conditional tracepoint and the logic
changed too but the tracepiont remained.

Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ update changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Liu Bo 2018-09-05 09:55:27 +08:00 committed by David Sterba
parent c64142807f
commit 6aadd9eb74
1 changed files with 0 additions and 4 deletions
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4
fs/btrfs/extent-tree.c
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@ -6397,10 +6397,6 @@ static int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache,
} else {
cache->reserved += num_bytes;
space_info->bytes_reserved += num_bytes;
trace_btrfs_space_reservation(cache->fs_info,
"space_info", space_info->flags,
ram_bytes, 0);
space_info->bytes_may_use -= ram_bytes;
if (delalloc)
cache->delalloc_bytes += num_bytes;