From f6011081f5e290756bd90fe96f1e86d3eac76f77 Mon Sep 17 00:00:00 2001
From: Maxim Patlasov <MPatlasov@parallels.com>
Date: Wed, 2 Oct 2013 15:01:07 +0400
Subject: [PATCH] fuse: writepages: roll back changes if request not found

fuse_writepage_in_flight() returns false if it fails to find request with
given index in fi->writepages.  Then the caller proceeds with populating
data->orig_pages[] and incrementing req->num_pages.  Hence,
fuse_writepage_in_flight() must revert changes it made in request before
returning false.

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