diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-07-01 11:06:22 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-07-08 17:20:46 -0600 |
| commit | 21cf866145047f8bfecb38ec8d2fed64464c074f (patch) | |
| tree | 90eb0e7a2a318eed587c06ceb474c0f89d498c91 /drivers/md/raid5.c | |
| parent | 8c911f3d4c074a17955a1757c9d1d5a9a5209ca5 (diff) | |
| download | linux-21cf866145047f8bfecb38ec8d2fed64464c074f.tar.gz | |
writeback: remove bdi->congested_fn
Except for pktdvd, the only places setting congested bits are file
systems that allocate their own backing_dev_info structures. And
pktdvd is a deprecated driver that isn't useful in stack setup
either. So remove the dead congested_fn stacking infrastructure.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Song Liu <song@kernel.org>
Acked-by: David Sterba <dsterba@suse.com>
[axboe: fixup unused variables in bcache/request.c]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 8dea4398b191a..774ea893d47e2 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -5099,28 +5099,6 @@ static void activate_bit_delay(struct r5conf *conf, } } -static int raid5_congested(struct mddev *mddev, int bits) -{ - struct r5conf *conf = mddev->private; - - /* No difference between reads and writes. Just check - * how busy the stripe_cache is - */ - - if (test_bit(R5_INACTIVE_BLOCKED, &conf->cache_state)) - return 1; - - /* Also checks whether there is pressure on r5cache log space */ - if (test_bit(R5C_LOG_TIGHT, &conf->cache_state)) - return 1; - if (conf->quiesce) - return 1; - if (atomic_read(&conf->empty_inactive_list_nr)) - return 1; - - return 0; -} - static int in_chunk_boundary(struct mddev *mddev, struct bio *bio) { struct r5conf *conf = mddev->private; @@ -8427,7 +8405,6 @@ static struct md_personality raid6_personality = .finish_reshape = raid5_finish_reshape, .quiesce = raid5_quiesce, .takeover = raid6_takeover, - .congested = raid5_congested, .change_consistency_policy = raid5_change_consistency_policy, }; static struct md_personality raid5_personality = @@ -8452,7 +8429,6 @@ static struct md_personality raid5_personality = .finish_reshape = raid5_finish_reshape, .quiesce = raid5_quiesce, .takeover = raid5_takeover, - .congested = raid5_congested, .change_consistency_policy = raid5_change_consistency_policy, }; @@ -8478,7 +8454,6 @@ static struct md_personality raid4_personality = .finish_reshape = raid5_finish_reshape, .quiesce = raid5_quiesce, .takeover = raid4_takeover, - .congested = raid5_congested, .change_consistency_policy = raid5_change_consistency_policy, }; |