From: Bob Peterson <rpete...@redhat.com>

This function factors out a section of code from function add_inode_to_lf.
This makes it easier to read and gives it the ability to print better
messages regarding where the block was previously linked.

rhbz#675723
---
 gfs2/fsck/lost_n_found.c |  113 ++++++++++++++++++++++++++--------------------
 1 files changed, 64 insertions(+), 49 deletions(-)

diff --git a/gfs2/fsck/lost_n_found.c b/gfs2/fsck/lost_n_found.c
index e5d7571..7886625 100644
--- a/gfs2/fsck/lost_n_found.c
+++ b/gfs2/fsck/lost_n_found.c
@@ -15,6 +15,69 @@
 #include "metawalk.h"
 #include "util.h"
 
+static void add_dotdot(struct gfs2_inode *ip)
+{
+       struct dir_info *di;
+       struct gfs2_sbd *sdp = ip->i_sbd;
+
+       log_info( _("Adding .. entry to directory %llu (0x%llx) pointing back "
+                   "to lost+found\n"),
+                 (unsigned long long)ip->i_di.di_num.no_addr,
+                 (unsigned long long)ip->i_di.di_num.no_addr);
+
+       /* If there's a pre-existing .. directory entry, we have to
+          back out the links. */
+       di = dirtree_find(ip->i_di.di_num.no_addr);
+       if (di && !valid_block(sdp, di->dotdot_parent) == 0) {
+               struct gfs2_inode *dip;
+
+               log_debug(_("Directory %lld (0x%llx) already had a "
+                           "\"..\" link to %lld (0x%llx).\n"),
+                         (unsigned long long)ip->i_di.di_num.no_addr,
+                         (unsigned long long)ip->i_di.di_num.no_addr,
+                         (unsigned long long)di->dotdot_parent,
+                         (unsigned long long)di->dotdot_parent);
+               decr_link_count(di->dotdot_parent, ip->i_di.di_num.no_addr,
+                               _(".. unlinked, moving to lost+found"));
+               dip = fsck_load_inode(sdp, di->dotdot_parent);
+               if (dip->i_di.di_nlink > 0) {
+                       dip->i_di.di_nlink--;
+                       set_di_nlink(dip); /* keep inode tree in sync */
+                       log_debug(_("Decrementing its links to %d\n"),
+                                 dip->i_di.di_nlink);
+                       bmodified(dip->i_bh);
+               } else if (!dip->i_di.di_nlink) {
+                       log_debug(_("Its link count is zero.\n"));
+               } else {
+                       log_debug(_("Its link count is %d!  Changing "
+                                   "it to 0.\n"), dip->i_di.di_nlink);
+                       dip->i_di.di_nlink = 0;
+                       set_di_nlink(dip); /* keep inode tree in sync */
+                       bmodified(dip->i_bh);
+               }
+               fsck_inode_put(&dip);
+               di = NULL;
+       } else {
+               if (di)
+                       log_debug(_("Couldn't find a valid \"..\" entry "
+                                   "for orphan directory %lld (0x%llx): "
+                                   "'..' = 0x%llx\n"),
+                                 (unsigned long long)ip->i_di.di_num.no_addr,
+                                 (unsigned long long)ip->i_di.di_num.no_addr,
+                                 (unsigned long long)di->dotdot_parent);
+               else
+                       log_debug(_("Couldn't find a valid \"..\" entry "
+                                   "for orphan directory %lld (0x%llx)\n"),
+                                 (unsigned long long)ip->i_di.di_num.no_addr,
+                                 (unsigned long long)ip->i_di.di_num.no_addr);
+       }
+       if (gfs2_dirent_del(ip, "..", 2))
+               log_warn( _("add_inode_to_lf:  Unable to remove "
+                           "\"..\" directory entry.\n"));
+
+       dir_add(ip, "..", 2, &(lf_dip->i_di.di_num), DT_DIR);
+}
+
 /* add_inode_to_lf - Add dir entry to lost+found for the inode
  * @ip: inode to add to lost + found
  *
@@ -86,55 +149,7 @@ int add_inode_to_lf(struct gfs2_inode *ip){
 
        switch(ip->i_di.di_mode & S_IFMT){
        case S_IFDIR:
-               log_info( _("Adding .. entry pointing to lost+found for "
-                           "directory %llu (0x%llx)\n"),
-                         (unsigned long long)ip->i_di.di_num.no_addr,
-                         (unsigned long long)ip->i_di.di_num.no_addr);
-
-               /* If there's a pre-existing .. directory entry, we have to
-                  back out the links. */
-               di = dirtree_find(ip->i_di.di_num.no_addr);
-               if (di && !valid_block(sdp, di->dotdot_parent) == 0) {
-                       struct gfs2_inode *dip;
-
-                       log_debug(_("Directory %lld (0x%llx) already had a "
-                                   "\"..\" link to %lld (0x%llx).\n"),
-                                 (unsigned long long)ip->i_di.di_num.no_addr,
-                                 (unsigned long long)ip->i_di.di_num.no_addr,
-                                 (unsigned long long)di->dotdot_parent,
-                                 (unsigned long long)di->dotdot_parent);
-                       decr_link_count(di->dotdot_parent,
-                                       ip->i_di.di_num.no_addr,
-                                       _(".. unlinked, moving to lost+found"));
-                       dip = fsck_load_inode(sdp, di->dotdot_parent);
-                       if (dip->i_di.di_nlink > 0) {
-                               dip->i_di.di_nlink--;
-                               set_di_nlink(dip); /* keep inode tree in sync */
-                               log_debug(_("Decrementing its links to %d\n"),
-                                         dip->i_di.di_nlink);
-                               bmodified(dip->i_bh);
-                       } else if (!dip->i_di.di_nlink) {
-                               log_debug(_("Its link count is zero.\n"));
-                       } else {
-                               log_debug(_("Its link count is %d!  "
-                                           "Changing it to 0.\n"),
-                                         dip->i_di.di_nlink);
-                               dip->i_di.di_nlink = 0;
-                               set_di_nlink(dip); /* keep inode tree in sync */
-                               bmodified(dip->i_bh);
-                       }
-                       fsck_inode_put(&dip);
-                       di = NULL;
-               } else
-                       log_debug(_("Couldn't find a valid \"..\" entry "
-                                   "for orphan directory %lld (0x%llx)\n"),
-                                 (unsigned long long)ip->i_di.di_num.no_addr,
-                                 (unsigned long long)ip->i_di.di_num.no_addr);
-               if (gfs2_dirent_del(ip, "..", 2))
-                       log_warn( _("add_inode_to_lf:  Unable to remove "
-                                   "\"..\" directory entry.\n"));
-
-               dir_add(ip, "..", 2, &(lf_dip->i_di.di_num), DT_DIR);
+               add_dotdot(ip);
                sprintf(tmp_name, "lost_dir_%llu",
                        (unsigned long long)ip->i_di.di_num.no_addr);
                inode_type = DT_DIR;
-- 
1.7.7.5

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