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btrfs: block-group: Rework documentation of check_system_chunk function

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Commit 4617ea3a52 (" Btrfs: fix necessary chunk tree space calculation
when allocating a chunk") removed the is_allocation argument from
check_system_chunk, since the formula for reserving the necessary space
for allocation or removing a chunk would be the same.

So, rework the comment by removing the mention of is_allocation
argument.

Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Marcos Paulo de Souza 2019-10-07 21:50:38 -03:00 committed by David Sterba
parent c06631b0d8
commit a9143bd31c
1 changed files with 1 additions and 3 deletions
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fs/btrfs/block-group.c
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@ -2987,9 +2987,7 @@ static u64 get_profile_num_devs(struct btrfs_fs_info *fs_info, u64 type)
}
/*
* If @is_allocation is true, reserve space in the system space info necessary
* for allocating a chunk, otherwise if it's false, reserve space necessary for
* removing a chunk.
* Reserve space in the system space for allocating or removing a chunk
*/
void check_system_chunk(struct btrfs_trans_handle *trans, u64 type)
{