diff options
| author | Leon Romanovsky <leon@kernel.org> | 2024-06-16 10:51:25 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2024-06-16 10:51:25 +0300 |
| commit | ef5513526bb6a83d7777acf5b79f71d19865563c (patch) | |
| tree | 830e4616f84969ef55914bca55d69beac5a2543c /drivers/md/bcache/request.c | |
| parent | 2a1251e3dbb2995100b6f351c2452228895386a5 (diff) | |
| parent | 7fc45cb68696c7213c484ec81892bc8a986fde52 (diff) | |
Merge branch 'mana-shared' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Leon Romanovsky says:
====================
net: mana: Allow variable size indirection table
Like we talked, I created new shared branch for this patch:
https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/log/?h=mana-shared
* 'mana-shared' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
net: mana: Allow variable size indirection table
====================
Link: https://lore.kernel.org/all/20240612183051.GE4966@unreal
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/md/bcache/request.c')
| -rw-r--r-- | drivers/md/bcache/request.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 83d112bd2b1c..af345dc6fde1 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -369,10 +369,24 @@ static bool check_should_bypass(struct cached_dev *dc, struct bio *bio) struct io *i; if (test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags) || - c->gc_stats.in_use > CUTOFF_CACHE_ADD || (bio_op(bio) == REQ_OP_DISCARD)) goto skip; + if (c->gc_stats.in_use > CUTOFF_CACHE_ADD) { + /* + * If cached buckets are all clean now, 'true' will be + * returned and all requests will bypass the cache device. + * Then c->sectors_to_gc has no chance to be negative, and + * gc thread won't wake up and caching won't work forever. + * Here call force_wake_up_gc() to avoid such aftermath. + */ + if (BDEV_STATE(&dc->sb) == BDEV_STATE_CLEAN && + c->gc_mark_valid) + force_wake_up_gc(c); + + goto skip; + } + if (mode == CACHE_MODE_NONE || (mode == CACHE_MODE_WRITEAROUND && op_is_write(bio_op(bio)))) |