From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Wed, 11 Feb 2015 19:25:11 +0000 (-0800)
Subject: f2fs: fix accessing wrong indexed data blocks
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~98^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f1a3b98e73a9f811ab4882669043c50c0e0dc7b6;p=pandora-kernel.git

f2fs: fix accessing wrong indexed data blocks

This patch fixes the following test.

This causes:
 attempt to access beyond end of device
 sdb2: rw=16384, want=14413962000, limit=16777216

The reason is:
 - f2fs_write_begin
  - f2fs_convert_inline_inode returns -ENOSPC
  - f2fs_write_failed
   - truncate_blocks
    - truncate_partial_data_page
     - find_data_page
      - get_dnode_of_data returns wrong data index retrieved from inline_data
      - f2fs_submit_page_bio(wrong data index)
       - submit_bio(wrong data index)

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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