From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org,
Jeffle Xu <jefflexu@linux.alibaba.com>,
Mike Snitzer <snitzer@redhat.com>,
dm-devel@redhat.com, Hannes Reinecke <hare@suse.de>,
Ming Lei <ming.lei@redhat.com>
Subject: [PATCH V6 03/12] block: add one helper to free io_context
Date: Thu, 22 Apr 2021 20:20:29 +0800 [thread overview]
Message-ID: <20210422122038.2192933-4-ming.lei@redhat.com> (raw)
In-Reply-To: <20210422122038.2192933-1-ming.lei@redhat.com>
Prepare for putting bio poll queue into io_context, so add one helper
for free io_context.
Reviewed-by: Hannes Reinecke <hare@suse.de>
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:[~2021-04-22 12:21 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-22 12:20 [PATCH V6 00/12] block: support bio based io polling Ming Lei
2021-04-22 12:20 ` [PATCH V6 01/12] block: add helper of blk_queue_poll Ming Lei
2021-04-22 12:20 ` [PATCH V6 02/12] block: define 'struct bvec_iter' as packed Ming Lei
2021-04-22 13:18 ` Hannes Reinecke
2021-04-22 12:20 ` Ming Lei [this message]
2021-04-22 12:20 ` [PATCH V6 04/12] block: move block polling code into one dedicated source file Ming Lei
2021-04-22 13:19 ` Hannes Reinecke
2021-04-26 7:12 ` Hannes Reinecke
2021-04-22 12:20 ` [PATCH V6 05/12] block: extract one helper function polling hw queue Ming Lei
2021-04-22 12:20 ` [PATCH V6 06/12] block: prepare for supporting bio_list via other link Ming Lei
2021-04-22 12:20 ` [PATCH V6 07/12] block: create io poll context for submission and poll task Ming Lei
2021-04-22 12:20 ` [PATCH V6 08/12] block: add req flag of REQ_POLL_CTX Ming Lei
2021-04-22 12:20 ` [PATCH V6 09/12] block: use per-task poll context to implement bio based io polling Ming Lei
2021-04-26 7:17 ` Hannes Reinecke
2021-04-22 12:20 ` [PATCH V6 10/12] block: limit hw queues to be polled in each blk_poll() Ming Lei
2021-04-26 7:19 ` Hannes Reinecke
2021-04-26 8:00 ` Ming Lei
2021-04-26 9:05 ` Hannes Reinecke
2021-04-22 12:20 ` [PATCH V6 11/12] block: allow to control FLAG_POLL via sysfs for bio poll capable queue Ming Lei
2021-04-26 7:20 ` Hannes Reinecke
2021-04-22 12:20 ` [PATCH V6 12/12] dm: support IO polling for bio-based dm device Ming Lei
2021-04-23 1:32 ` JeffleXu
2021-04-23 2:39 ` Ming Lei
2021-04-23 2:38 ` [PATCH V7 " Ming Lei
2021-05-17 6:16 ` [PATCH V6 00/12] block: support bio based io polling JeffleXu
2021-05-17 7:13 ` Ming Lei
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