[PATCH V6 03/12] block: add one helper to free io_context
From: Ming Lei <hidden>
Date: 2021-04-22 12:21:29
Also in:
dm-devel
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
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 <redacted> --- 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