From 222f1d69183f10d70a37de5785698fe0aa363c12 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <miklos@szeredi.hu>
Date: Mon, 16 Jan 2006 22:14:25 -0800
Subject: [PATCH] fuse: fuse_copy_finish() order fix
fuse_copy_finish() must be called before request_end(), since the later might
sleep, and no sleeping is allowed between fuse_copy_one() and
fuse_copy_finish() because of kmap_atomic()/kunmap_atomic() used in them.
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
fs/fuse/dev.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index e08ab4702d97..9af88953db69 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -773,8 +773,10 @@ static ssize_t fuse_dev_writev(struct file *file, const struct iovec *iov,
list_del_init(&req->list);
if (req->interrupted) {
- request_end(fc, req);
+ spin_unlock(&fuse_lock);
fuse_copy_finish(&cs);
+ spin_lock(&fuse_lock);
+ request_end(fc, req);
return -ENOENT;
}
req->out.h = oh;
--
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