[RFC][PATCH RT 1/7] revert-aio

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From: "Steven Rostedt (VMware)" <rostedt@xxxxxxxxxxx>

revert: fs/aio: simple simple work

Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
---
 fs/aio.c | 15 ++-------------
 1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/fs/aio.c b/fs/aio.c
index 16dcf8521c2c..911e23087dfb 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -42,7 +42,6 @@
 #include <linux/ramfs.h>
 #include <linux/percpu-refcount.h>
 #include <linux/mount.h>
-#include <linux/swork.h>
 
 #include <asm/kmap_types.h>
 #include <linux/uaccess.h>
@@ -122,7 +121,6 @@ struct kioctx {
 	long			nr_pages;
 
 	struct rcu_work		free_rwork;	/* see free_ioctx() */
-	struct swork_event	free_swork;	/* see free_ioctx() */
 
 	/*
 	 * signals when all in-flight requests are done
@@ -267,7 +265,6 @@ static int __init aio_setup(void)
 		.mount		= aio_mount,
 		.kill_sb	= kill_anon_super,
 	};
-	BUG_ON(swork_get());
 	aio_mnt = kern_mount(&aio_fs);
 	if (IS_ERR(aio_mnt))
 		panic("Failed to create aio fs mount.");
@@ -609,9 +606,9 @@ static void free_ioctx_reqs(struct percpu_ref *ref)
  * and ctx->users has dropped to 0, so we know no more kiocbs can be submitted -
  * now it's safe to cancel any that need to be.
  */
-static void free_ioctx_users_work(struct swork_event *sev)
+static void free_ioctx_users(struct percpu_ref *ref)
 {
-	struct kioctx *ctx = container_of(sev, struct kioctx, free_swork);
+	struct kioctx *ctx = container_of(ref, struct kioctx, users);
 	struct aio_kiocb *req;
 
 	spin_lock_irq(&ctx->ctx_lock);
@@ -629,14 +626,6 @@ static void free_ioctx_users_work(struct swork_event *sev)
 	percpu_ref_put(&ctx->reqs);
 }
 
-static void free_ioctx_users(struct percpu_ref *ref)
-{
-	struct kioctx *ctx = container_of(ref, struct kioctx, users);
-
-	INIT_SWORK(&ctx->free_swork, free_ioctx_users_work);
-	swork_queue(&ctx->free_swork);
-}
-
 static int ioctx_add_table(struct kioctx *ctx, struct mm_struct *mm)
 {
 	unsigned i, new_nr;
-- 
2.20.1





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