From: Chris Mason <chris.mason@oracle.com>
Date: Sun, 28 Feb 2010 20:39:26 +0000 (-0500)
Subject: Btrfs: add search and inode lookup ioctls
X-Git-Tag: v2.6.34-rc2~21^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac8e9819d71f907a0532b01b22c26b56bbbcbd21;p=pandora-kernel.git

Btrfs: add search and inode lookup ioctls

The search ioctl is a generic tool for doing btree searches from
userland applications.  The first user of the search ioctl is a
subvolume listing feature, but we'll also use it to find new
files in a subvolume.

The search ioctl allows you to specify min and max keys to search for,
along with min and max transid.  It returns the items along with a
header that includes the item key.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
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