From: Jan Schmidt <list.btrfs@jan-o-sch.net>
Date: Mon, 13 Jun 2011 18:04:15 +0000 (+0200)
Subject: btrfs scrub: add fixup code for errors on nodatasum files
X-Git-Tag: v3.2-rc1~21^2~8^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ef8e45158f97dde4801b535e25f70f7caf01a27;p=pandora-kernel.git

btrfs scrub: add fixup code for errors on nodatasum files

This removes a FIXME comment and introduces the first part of nodatasum
fixup: It gets the corresponding inode for a logical address and triggers a
regular readpage for the corrupted sector.

Once we have on-the-fly error correction our error will be automatically
corrected. The correction code is expected to clear the newly introduced
EXTENT_DAMAGED flag, making scrub report that error as "corrected" instead
of "uncorrectable" eventually.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
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