On 1.10.19 г. 20:57 ч., David Sterba wrote:
> There's a gcc option -Wsuggest-attribute that, as it says, suggests some
> function attributes to provide some hints and allowing more
> optimizations.
>
> Debug build
>
> text data bss dec hex filename
> 1514058 146768 27496 1688322 19c302 pre/btrfs.ko
> 1512603 146736 27496 1686835 19bd33 post/btrfs.ko
> DELTA: -1455
>
> Release build
>
> text data bss dec hex filename
> 1079288 17316 14912 1111516 10f5dc pre/btrfs.ko
> 1078138 17316 14912 1110366 10f15e post/btrfs.ko
> DELTA: -1150
>
> David Sterba (3):
> btrfs: add __cold attribute to more functions
> btrfs: add const function attribute
> btrfs: add __pure attribute to functions
Checking up the with compiler ppl and discussing I can say:
Reviewed-by: Nikolay Borisov <nbori...@suse.com>
>
> fs/btrfs/async-thread.c | 6 ++----
> fs/btrfs/async-thread.h | 4 ++--
> fs/btrfs/ctree.c | 2 +-
> fs/btrfs/ctree.h | 6 +++---
> fs/btrfs/dev-replace.c | 2 +-
> fs/btrfs/dev-replace.h | 2 +-
> fs/btrfs/disk-io.c | 4 ++--
> fs/btrfs/disk-io.h | 4 ++--
> fs/btrfs/ioctl.c | 2 +-
> fs/btrfs/space-info.c | 2 +-
> fs/btrfs/space-info.h | 2 +-
> fs/btrfs/super.c | 4 ++--
> fs/btrfs/volumes.c | 4 ++--
> fs/btrfs/volumes.h | 2 +-
> 14 files changed, 22 insertions(+), 24 deletions(-)
>
