From d07f09f509fb21482096e1975f160b694c0edf84 Mon Sep 17 00:00:00 2001
From: Maxim Patlasov <mpatlasov@parallels.com>
Date: Fri, 26 Oct 2012 19:49:00 +0400
Subject: [PATCH] fuse: rework fuse_perform_write()

The patch allocates as many page pointers in fuse_req as needed to cover
interval [pos .. pos+len-1]. Inline helper fuse_wr_pages() is introduced
to hide this cumbersome arithmetic.

Signed-off-by: Maxim Patlasov <mpatlasov@parallels.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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