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[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>
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1 changed files with 3 additions and 1 deletions
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@ -773,8 +773,10 @@ static ssize_t fuse_dev_writev(struct file *file, const struct iovec *iov,
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list_del_init(&req->list);
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if (req->interrupted) {
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request_end(fc, req);
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spin_unlock(&fuse_lock);
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fuse_copy_finish(&cs);
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spin_lock(&fuse_lock);
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request_end(fc, req);
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return -ENOENT;
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}
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req->out.h = oh;
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