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| author |   Jens Axboe <axboe@kernel.dk> | 2021-02-16 10:06:21 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-02-21 17:25:22 -0700 |
| commit | 1cbd9c2bcf02a3be91e14c7206d4b6c0346540ed (patch) | |
| tree | 9af7b1a79f6d1c8edc3d9bb32465a23604743ac1 /fs/io-wq.c | |
| parent | io_uring: remove the need for relying on an io-wq fallback worker (diff) | |
| download | linux-dev-1cbd9c2bcf02a3be91e14c7206d4b6c0346540ed.tar.xz linux-dev-1cbd9c2bcf02a3be91e14c7206d4b6c0346540ed.zip | |
io-wq: don't create any IO workers upfront
When the manager thread starts up, it creates a worker per node for
the given context. Just let these get created dynamically, like we do
for adding further workers.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io-wq.c')
| -rw-r--r-- | fs/io-wq.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/fs/io-wq.c b/fs/io-wq.c index 800b299f9772..e9e218274c76 100644 --- a/fs/io-wq.c +++ b/fs/io-wq.c @@ -759,18 +759,7 @@ static int io_wq_manager(void *data) struct io_wq *wq = data; int node; - /* create fixed workers */ refcount_set(&wq->refs, 1); - for_each_node(node) { - if (!node_online(node)) - continue; - if (create_io_worker(wq, wq->wqes[node], IO_WQ_ACCT_BOUND)) - continue; - set_bit(IO_WQ_BIT_ERROR, &wq->state); - set_bit(IO_WQ_BIT_EXIT, &wq->state); - goto out; - } - complete(&wq->done); while (!kthread_should_stop()) { @@ -796,7 +785,6 @@ static int io_wq_manager(void *data) schedule_timeout(HZ); } -out: if (refcount_dec_and_test(&wq->refs)) { complete(&wq->done); return 0; |