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[PATCH 2/2] xfs_repair: Properly set lost+found inode as used

To: xfs@xxxxxxxxxxx
Subject: [PATCH 2/2] xfs_repair: Properly set lost+found inode as used
From: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
Date: Tue, 8 Nov 2011 16:46:30 -0200
Cc: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
In-reply-to: <1320777990-6556-1-git-send-email-cmaiolino@xxxxxxxxxx>
References: <1320777990-6556-1-git-send-email-cmaiolino@xxxxxxxxxx>
This patch makes mk_orphanage() to properly set the inode link count of
the recently allocated inode in the AVL tree, avoiding the lost+found
directory to be bypass the link count check in phase7 and possibly leaving
lost+found directory with a wrong link count.
---
 repair/phase6.c |   17 ++++++++++++++++-
 1 files changed, 16 insertions(+), 1 deletions(-)

diff --git a/repair/phase6.c b/repair/phase6.c
index adad61d..0e0e294 100644
--- a/repair/phase6.c
+++ b/repair/phase6.c
@@ -823,6 +823,8 @@ mk_orphanage(xfs_mount_t *mp)
        xfs_inode_t     *ip;
        xfs_inode_t     *pip;
        xfs_fsblock_t   first;
+       ino_tree_node_t *irec;
+       int             ino_offset = 0;
        int             i;
        int             committed;
        int             error;
@@ -875,6 +877,18 @@ mk_orphanage(xfs_mount_t *mp)
                        ORPHANAGE, error);
        }
        ip->i_d.di_nlink++;             /* account for . */
+       ino = ip->i_ino;
+
+       irec = find_inode_rec(mp,
+                       XFS_INO_TO_AGNO(mp, ino),
+                       XFS_INO_TO_AGINO(mp,ino));
+       ino_offset = get_inode_offset(mp, ino, irec);
+
+       /* Set the inode allocated to lost+found as used in the AVL
+        * tree, so it is not bypassed in phase 7
+        */
+       set_inode_used(irec,ino_offset);
+       add_inode_ref(irec,ino_offset);
 
        /*
         * now that we know the transaction will stay around,
@@ -902,6 +916,8 @@ mk_orphanage(xfs_mount_t *mp)
                                XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino)), 0);
 
 
+       add_inode_reached(irec,ino_offset);
+
        libxfs_trans_log_inode(tp, pip, XFS_ILOG_CORE);
        libxfs_dir_init(tp, ip, pip);
        libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
@@ -912,7 +928,6 @@ mk_orphanage(xfs_mount_t *mp)
                        ORPHANAGE, error);
        }
 
-       ino = ip->i_ino;
 
        libxfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_SYNC);
 
-- 
1.7.6.4

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