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From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>
Date: Fri, 20 Sep 2019 17:50:53 -0400
Subject: [PATCH 278/354] revert-aio
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=a0d09d14f7562d9de2c4c353e3cb0b81fbf4262d
revert: fs/aio: simple simple work
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
fs/aio.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)
diff --git a/fs/aio.c b/fs/aio.c
index ab1bb9260056..1bd934eccbf6 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
@@ -269,7 +267,6 @@ 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.");
@@ -615,9 +612,9 @@ 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);
@@ -635,14 +632,6 @@ 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;
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