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| author | Lai Jiangshan <laijs@linux.alibaba.com> | 2021-08-17 04:32:35 +0300 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2021-08-17 20:49:09 +0300 |
| commit | c4560c2c88a4c809800ba8e76faabaf80bf6ee89 (patch) | |
| tree | dcc9fc47209b0234e0a4fd9f49d61937d18a9b95 /kernel/workqueue.c | |
| parent | f97a4a1a3f8769e3452885967955e21c88f3f263 (diff) | |
| download | linux-c4560c2c88a4c809800ba8e76faabaf80bf6ee89.tar.xz | |
workqueue: Change arguement of pwq_dec_nr_in_flight()
Make pwq_dec_nr_in_flight() use work_data rather just work_color.
Prepare for later patch to get WORK_STRUCT_INACTIVE bit from work_data
in pwq_dec_nr_in_flight().
No functional change intended.
Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel/workqueue.c')
| -rw-r--r-- | kernel/workqueue.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 9a00ba096032..41796000f3eb 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -579,9 +579,9 @@ static unsigned int work_color_to_flags(int color) return color << WORK_STRUCT_COLOR_SHIFT; } -static int get_work_color(struct work_struct *work) +static int get_work_color(unsigned long work_data) { - return (*work_data_bits(work) >> WORK_STRUCT_COLOR_SHIFT) & + return (work_data >> WORK_STRUCT_COLOR_SHIFT) & ((1 << WORK_STRUCT_COLOR_BITS) - 1); } @@ -1159,7 +1159,7 @@ static void pwq_activate_first_inactive(struct pool_workqueue *pwq) /** * pwq_dec_nr_in_flight - decrement pwq's nr_in_flight * @pwq: pwq of interest - * @color: color of work which left the queue + * @work_data: work_data of work which left the queue * * A work either has completed or is removed from pending queue, * decrement nr_in_flight of its pwq and handle workqueue flushing. @@ -1167,8 +1167,10 @@ static void pwq_activate_first_inactive(struct pool_workqueue *pwq) * CONTEXT: * raw_spin_lock_irq(pool->lock). */ -static void pwq_dec_nr_in_flight(struct pool_workqueue *pwq, int color) +static void pwq_dec_nr_in_flight(struct pool_workqueue *pwq, unsigned long work_data) { + int color = get_work_color(work_data); + /* uncolored work items don't participate in flushing or nr_active */ if (color == WORK_NO_COLOR) goto out_put; @@ -1291,7 +1293,7 @@ static int try_to_grab_pending(struct work_struct *work, bool is_dwork, pwq_activate_inactive_work(work); list_del_init(&work->entry); - pwq_dec_nr_in_flight(pwq, get_work_color(work)); + pwq_dec_nr_in_flight(pwq, *work_data_bits(work)); /* work->data points to pwq iff queued, point to pool */ set_work_pool_and_keep_pending(work, pool->id); @@ -2172,7 +2174,7 @@ __acquires(&pool->lock) struct pool_workqueue *pwq = get_work_pwq(work); struct worker_pool *pool = worker->pool; bool cpu_intensive = pwq->wq->flags & WQ_CPU_INTENSIVE; - int work_color; + unsigned long work_data; struct worker *collision; #ifdef CONFIG_LOCKDEP /* @@ -2208,7 +2210,7 @@ __acquires(&pool->lock) worker->current_work = work; worker->current_func = work->func; worker->current_pwq = pwq; - work_color = get_work_color(work); + work_data = *work_data_bits(work); /* * Record wq name for cmdline and debug reporting, may get @@ -2314,7 +2316,7 @@ __acquires(&pool->lock) worker->current_work = NULL; worker->current_func = NULL; worker->current_pwq = NULL; - pwq_dec_nr_in_flight(pwq, work_color); + pwq_dec_nr_in_flight(pwq, work_data); } /** |