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-rw-r--r--debian/patches-rt/0278-revert-aio.patch67
1 files changed, 67 insertions, 0 deletions
diff --git a/debian/patches-rt/0278-revert-aio.patch b/debian/patches-rt/0278-revert-aio.patch
new file mode 100644
index 000000000..6cca2777c
--- /dev/null
+++ b/debian/patches-rt/0278-revert-aio.patch
@@ -0,0 +1,67 @@
+From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>
+Date: Fri, 20 Sep 2019 17:50:53 -0400
+Subject: [PATCH 278/342] revert-aio
+Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=3385a4e70adb04e8ac905d0b889452f53b8348cd
+
+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 21eacb0f3f56..9635c29b83da 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.");
+@@ -611,9 +608,9 @@ 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);
+@@ -631,14 +628,6 @@ 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;