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[PATCH 12/13] xfs_repair: don't clear . or .. in process_dir2_data

To: xfs@xxxxxxxxxxx
Subject: [PATCH 12/13] xfs_repair: don't clear . or .. in process_dir2_data
From: Eric Sandeen <sandeen@xxxxxxxxxx>
Date: Tue, 17 Mar 2015 15:33:14 -0500
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1426624395-8258-1-git-send-email-sandeen@xxxxxxxxxx>
References: <1426624395-8258-1-git-send-email-sandeen@xxxxxxxxxx>
process_dir2_data() has special . and .. processing; it is able
to correct these inodes, so there is no reason to clear them.

Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
 repair/dir2.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/repair/dir2.c b/repair/dir2.c
index 9e6c67d..3acf71c 100644
--- a/repair/dir2.c
+++ b/repair/dir2.c
@@ -1331,6 +1331,18 @@ _("entry at block %u offset %" PRIdPTR " in directory 
inode %" PRIu64
                                dep->namelen = 1;
                        clearino = 1;
                }
+
+               /*
+                * We have a special dot & dotdot fixer-upper below which can
+                * sort out the proper inode number, so don't clear it.
+                */
+               if ((dep->namelen == 1 && dep->name[0] == '.') ||
+                   (dep->namelen == 2 &&
+                    dep->name[0] == '.' && dep->name[1] == '.')) {
+                       clearino = 0;
+                       clearreason = NULL;
+               }
+                   
                /*
                 * If needed to clear the inode number, do it now.
                 */
-- 
1.7.1

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