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

In a future patch to fsck, function find_free_blk will be called in
order to correctly report blocks that will need to be allocated for
things such as leaf splits. This patch moves function find_free_blk
to a more centralized place, util.c, to that end.

rhbz#902920
---
 gfs2/fsck/lost_n_found.c | 39 ---------------------------------------
 gfs2/fsck/util.c         | 39 +++++++++++++++++++++++++++++++++++++++
 gfs2/fsck/util.h         |  2 ++
 3 files changed, 41 insertions(+), 39 deletions(-)

diff --git a/gfs2/fsck/lost_n_found.c b/gfs2/fsck/lost_n_found.c
index 570f3a8..1fb5076 100644
--- a/gfs2/fsck/lost_n_found.c
+++ b/gfs2/fsck/lost_n_found.c
@@ -88,45 +88,6 @@ static void add_dotdot(struct gfs2_inode *ip)
        }
 }
 
-static uint64_t find_free_blk(struct gfs2_sbd *sdp)
-{
-       struct osi_node *n, *next = NULL;
-       struct rgrp_tree *rl = NULL;
-       struct gfs2_rindex *ri;
-       struct gfs2_rgrp *rg;
-       unsigned int block, bn = 0, x = 0, y = 0;
-       unsigned int state;
-       struct gfs2_buffer_head *bh;
-
-       memset(&rg, 0, sizeof(rg));
-       for (n = osi_first(&sdp->rgtree); n; n = next) {
-               next = osi_next(n);
-               rl = (struct rgrp_tree *)n;
-               if (rl->rg.rg_free)
-                       break;
-       }
-
-       if (n == NULL)
-               return 0;
-
-       ri = &rl->ri;
-       rg = &rl->rg;
-
-       for (block = 0; block < ri->ri_length; block++) {
-               bh = rl->bh[block];
-               x = (block) ? sizeof(struct gfs2_meta_header) : sizeof(struct 
gfs2_rgrp);
-
-               for (; x < sdp->bsize; x++)
-                       for (y = 0; y < GFS2_NBBY; y++) {
-                               state = (bh->b_data[x] >> (GFS2_BIT_SIZE * y)) 
& 0x03;
-                               if (state == GFS2_BLKST_FREE)
-                                       return ri->ri_data0 + bn;
-                               bn++;
-                       }
-       }
-       return 0;
-}
-
 /* add_inode_to_lf - Add dir entry to lost+found for the inode
  * @ip: inode to add to lost + found
  *
diff --git a/gfs2/fsck/util.c b/gfs2/fsck/util.c
index 7c89155..94d532e 100644
--- a/gfs2/fsck/util.c
+++ b/gfs2/fsck/util.c
@@ -615,3 +615,42 @@ bad_dinode:
        stack;
        return -EPERM;
 }
+
+uint64_t find_free_blk(struct gfs2_sbd *sdp)
+{
+       struct osi_node *n, *next = NULL;
+       struct rgrp_tree *rl = NULL;
+       struct gfs2_rindex *ri;
+       struct gfs2_rgrp *rg;
+       unsigned int block, bn = 0, x = 0, y = 0;
+       unsigned int state;
+       struct gfs2_buffer_head *bh;
+
+       memset(&rg, 0, sizeof(rg));
+       for (n = osi_first(&sdp->rgtree); n; n = next) {
+               next = osi_next(n);
+               rl = (struct rgrp_tree *)n;
+               if (rl->rg.rg_free)
+                       break;
+       }
+
+       if (n == NULL)
+               return 0;
+
+       ri = &rl->ri;
+       rg = &rl->rg;
+
+       for (block = 0; block < ri->ri_length; block++) {
+               bh = rl->bh[block];
+               x = (block) ? sizeof(struct gfs2_meta_header) : sizeof(struct 
gfs2_rgrp);
+
+               for (; x < sdp->bsize; x++)
+                       for (y = 0; y < GFS2_NBBY; y++) {
+                               state = (bh->b_data[x] >> (GFS2_BIT_SIZE * y)) 
& 0x03;
+                               if (state == GFS2_BLKST_FREE)
+                                       return ri->ri_data0 + bn;
+                               bn++;
+                       }
+       }
+       return 0;
+}
diff --git a/gfs2/fsck/util.h b/gfs2/fsck/util.h
index 80ed0c4..1a4811c 100644
--- a/gfs2/fsck/util.h
+++ b/gfs2/fsck/util.h
@@ -184,6 +184,8 @@ extern char generic_interrupt(const char *caller, const 
char *where,
                        const char *progress, const char *question,
                        const char *answers);
 extern char gfs2_getch(void);
+extern uint64_t find_free_blk(struct gfs2_sbd *sdp);
+
 #define stack log_debug("<backtrace> - %s()\n", __func__)
 
 #endif /* __UTIL_H__ */
-- 
1.7.11.7

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