From: KaiGai Kohei <kaigai@ak.jp.nec.com>
Date: Sun, 11 Jun 2006 01:35:15 +0000 (+0900)
Subject: [JFFS2][XATTR] using 'delete marker' for xdatum/xref deletion
X-Git-Tag: v2.6.18-rc1~458^2~9
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c9f700f840bd481b3e01fcad1ba8da01794a6726;p=pandora-kernel.git

[JFFS2][XATTR] using 'delete marker' for xdatum/xref deletion

- When xdatum is removed, a new xdatum with 'delete marker' is
  written. (version==0xffffffff means 'delete marker')
- When xref is removed, a new xref with 'delete marker' is written.
  (odd-numbered xseqno means 'delete marker')

- delete_xattr_(datum/xref)_delay() are new deletion functions
  are added. We can only use them if we can detect the target
  obsolete xdatum/xref as a orphan or errir one.
  (e.g when inode deletion, or detecting crc error)

[1/3] jffs2-xattr-v6-01-delete_marker.patch

Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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