From: Gerhard Heift <gerhard@heift.name>
Date: Thu, 30 Jan 2014 15:24:03 +0000 (+0100)
Subject: btrfs: new ioctl TREE_SEARCH_V2
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~14^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc68a8a5a4330a4bb72922d0c7a7044ae13ee692;p=pandora-kernel.git

btrfs: new ioctl TREE_SEARCH_V2

This new ioctl call allows the user to supply a buffer of varying size in which
a tree search can store its results. This is much more flexible if you want to
receive items which are larger than the current fixed buffer of 3992 bytes or
if you want to fetch more items at once. Items larger than this buffer are for
example some of the type EXTENT_CSUM.

Signed-off-by: Gerhard Heift <Gerhard@Heift.Name>
Signed-off-by: Chris Mason <clm@fb.com>
Acked-by: David Sterba <dsterba@suse.cz>
---

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