diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-12-09 07:31:21 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-12-16 10:59:01 -0700 |
| commit | 8a2ba1785c5803d59a63b6320ff54fd4a37a41ce (patch) | |
| tree | b7ffd1b051050a0ca683c4f965589cbc8e43e509 /block | |
| parent | d62cbcf62f2f4bf933d18113bcda45e18cc890f6 (diff) | |
| download | linux-8a2ba1785c5803d59a63b6320ff54fd4a37a41ce.tar.bz2 | |
block: remove the nr_task field from struct io_context
Nothing ever looks at ->nr_tasks, so remove it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20211209063131.18537-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-ioc.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/block/blk-ioc.c b/block/blk-ioc.c index 536fb496ad76..96336c2134ef 100644 --- a/block/blk-ioc.c +++ b/block/blk-ioc.c @@ -207,7 +207,6 @@ void exit_io_context(struct task_struct *task) task->io_context = NULL; task_unlock(task); - atomic_dec(&ioc->nr_tasks); put_io_context_active(ioc); } @@ -259,7 +258,6 @@ static struct io_context *alloc_io_context(gfp_t gfp_flags, int node) return NULL; atomic_long_set(&ioc->refcount, 1); - atomic_set(&ioc->nr_tasks, 1); atomic_set(&ioc->active_ref, 1); spin_lock_init(&ioc->lock); INIT_RADIX_TREE(&ioc->icq_tree, GFP_ATOMIC); @@ -339,7 +337,6 @@ int __copy_io(unsigned long clone_flags, struct task_struct *tsk) if (clone_flags & CLONE_IO) { atomic_long_inc(&ioc->refcount); atomic_inc(&ioc->active_ref); - atomic_inc(&ioc->nr_tasks); tsk->io_context = ioc; } else if (ioprio_valid(ioc->ioprio)) { tsk->io_context = alloc_io_context(GFP_KERNEL, NUMA_NO_NODE); |