Re: [PATCH 2/9] Remove bdi_congested() and wb_congested() and related functions

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On Thu, Jan 27, 2022 at 11:47 AM NeilBrown <neilb@xxxxxxx> wrote:
>
> These functions are no longer useful as the only bdis that report
> congestion are in ceph, fuse, and nfs.  None of those bdis can be the
> target of the calls in drbd, ext2, nilfs2, or xfs.
>
> Removing the test on bdi_write_contested() in current_may_throttle()
> could cause a small change in behaviour, but only when PF_LOCAL_THROTTLE
> is set.
>
> So replace the calls by 'false' and simplify the code - and remove the
> functions.
>
> Signed-off-by: NeilBrown <neilb@xxxxxxx>
> ---
>  drivers/block/drbd/drbd_int.h |    3 ---
>  drivers/block/drbd/drbd_req.c |    3 +--
>  fs/ext2/ialloc.c              |    2 --
>  fs/nilfs2/segbuf.c            |   11 -----------
>  fs/xfs/xfs_buf.c              |    3 ---
>  include/linux/backing-dev.h   |   26 --------------------------
>  mm/vmscan.c                   |    4 +---
>  7 files changed, 2 insertions(+), 50 deletions(-)

for nilfs2 bits,

Acked-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>

Thanks,
Ryusuke Konishi



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