Re: [PATCH 3/3] btrfs: factor out reading of bg from find_frist_block_group

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 26/05/2020 17:33, Nikolay Borisov wrote:
[...]
> Always be careful of such results since this is likely due to less
> inlining. The bulk of the size overhead is likely in the new function
> and now those have been replaced by a 'call' and a function prologue
> etc. So this doesn't always mean better performance is all I'm trying to
> say ;)

Yep I know, I've just included it as a small "bonus" but my point was the 
increased readability.


>> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
> 
> Reviewed-by: Nikolay Borisov <nborisov@xxxxxxxx>
> 
> Although look down for one minor discussion point.

[...]

>> +static int read_bg_from_eb(struct btrfs_fs_info *fs_info, struct btrfs_key *key,
>> +			   struct extent_buffer *leaf, int slot)
> 
> nit: I wonder if instead of passing leaf/slot it'll be better to pass
> btrfs_path, since that function always refers to nodes/slots [0]. My gut
> feeling is this provides better interface abstraction, but this is
> effectively a private, function so I might be overthinking it.

Agreed, I'll add it in a v2.




[Index of Archives]     [Linux Filesystem Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux