From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Jeffle Xu <jefflexu@linux.alibaba.com>,
Mike Snitzer <snitzer@redhat.com>,
dm-devel@redhat.com, Ming Lei <ming.lei@redhat.com>
Subject: [RFC PATCH 02/11] block: add one helper to free io_context
Date: Tue, 16 Mar 2021 11:15:14 +0800 [thread overview]
Message-ID: <20210316031523.864506-3-ming.lei@redhat.com> (raw)
In-Reply-To: <20210316031523.864506-1-ming.lei@redhat.com>
Prepare for putting bio poll queue into io_context, so add one helper
for free io_context.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
block/blk-ioc.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/block/blk-ioc.c b/block/blk-ioc.c
index 57299f860d41..b0cde18c4b8c 100644
--- a/block/blk-ioc.c
+++ b/block/blk-ioc.c
@@ -17,6 +17,11 @@
*/
static struct kmem_cache *iocontext_cachep;
+static inline void free_io_context(struct io_context *ioc)
+{
+ kmem_cache_free(iocontext_cachep, ioc);
+}
+
/**
* get_io_context - increment reference count to io_context
* @ioc: io_context to get
@@ -129,7 +134,7 @@ static void ioc_release_fn(struct work_struct *work)
spin_unlock_irq(&ioc->lock);
- kmem_cache_free(iocontext_cachep, ioc);
+ free_io_context(ioc);
}
/**
@@ -164,7 +169,7 @@ void put_io_context(struct io_context *ioc)
}
if (free_ioc)
- kmem_cache_free(iocontext_cachep, ioc);
+ free_io_context(ioc);
}
/**
@@ -278,7 +283,7 @@ int create_task_io_context(struct task_struct *task, gfp_t gfp_flags, int node)
(task == current || !(task->flags & PF_EXITING)))
task->io_context = ioc;
else
- kmem_cache_free(iocontext_cachep, ioc);
+ free_io_context(ioc);
ret = task->io_context ? 0 : -EBUSY;
--
2.29.2
next prev parent reply other threads:[~2021-03-16 3:18 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-16 3:15 [RFC PATCH 00/11] block: support bio based io polling Ming Lei
2021-03-16 3:15 ` [RFC PATCH 01/11] block: add helper of blk_queue_poll Ming Lei
2021-03-16 3:26 ` Chaitanya Kulkarni
2021-03-16 3:15 ` Ming Lei [this message]
2021-03-16 3:15 ` [RFC PATCH 03/11] block: add helper of blk_create_io_context Ming Lei
2021-03-16 3:15 ` [RFC PATCH 04/11] block: create io poll context for submission and poll task Ming Lei
2021-03-16 3:15 ` [RFC PATCH 05/11] block: add req flag of REQ_TAG Ming Lei
2021-03-16 3:15 ` [RFC PATCH 06/11] block: add new field into 'struct bvec_iter' Ming Lei
2021-03-16 3:15 ` [RFC PATCH 07/11] block/mq: extract one helper function polling hw queue Ming Lei
2021-03-16 3:15 ` [RFC PATCH 08/11] block: use per-task poll context to implement bio based io poll Ming Lei
2021-03-16 6:46 ` JeffleXu
2021-03-16 7:17 ` Ming Lei
2021-03-16 8:52 ` JeffleXu
2021-03-17 2:54 ` Ming Lei
2021-03-17 3:53 ` JeffleXu
2021-03-17 6:54 ` Ming Lei
2021-03-16 11:00 ` JeffleXu
2021-03-17 3:38 ` Ming Lei
2021-03-17 3:49 ` JeffleXu
2021-03-17 7:19 ` Ming Lei
2021-03-18 14:51 ` Mike Snitzer
2021-03-16 3:15 ` [RFC PATCH 09/11] block: add queue_to_disk() to get gendisk from request_queue Ming Lei
2021-03-16 3:15 ` [RFC PATCH 10/11] block: add poll_capable method to support bio-based IO polling Ming Lei
2021-03-16 3:15 ` [RFC PATCH 11/11] dm: support IO polling for bio-based dm device Ming Lei
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