[GFS2] Tidy up bmap/inode code

As per Jan Engelhardt's third set of comments, this make various
code style changes and moves the structures from format.h into
super.c, which was the only place that format.h was actually used.

Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 7 insertions, 9 deletions

diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 913c0e5490e9..b75a2f93dada 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -94,7 +94,7 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
                 map_bh(bh, inode->i_sb, block);
 
         set_buffer_uptodate(bh);
-        if ((sdp->sd_args.ar_data == GFS2_DATA_ORDERED) || gfs2_is_jdata(ip))
+        if (sdp->sd_args.ar_data == GFS2_DATA_ORDERED || gfs2_is_jdata(ip))
                 gfs2_trans_add_bh(ip->i_gl, bh, 0);
         mark_buffer_dirty(bh);
 
@@ -369,7 +369,7 @@ static inline u64 *metapointer(struct buffer_head *bh, int *boundary,
         u64 *ptr;
         *boundary = 0;
         ptr = ((u64 *)(bh->b_data + head_size)) + mp->mp_list[height];
-        if (ptr + 1 == (u64*)(bh->b_data + bh->b_size))
+        if (ptr + 1 == (u64 *)(bh->b_data + bh->b_size))
                 *boundary = 1;
         return ptr;
 }
@@ -456,7 +456,7 @@ static struct buffer_head *gfs2_block_pointers(struct inode *inode, u64 lblock,
         if (gfs2_assert_warn(sdp, !gfs2_is_stuffed(ip)))
                 goto out;
 
-        bsize = (gfs2_is_dir(ip)) ? sdp->sd_jbsize : sdp->sd_sb.sb_bsize;
+        bsize = gfs2_is_dir(ip) ? sdp->sd_jbsize : sdp->sd_sb.sb_bsize;
 
         height = calc_tree_height(ip, (lblock + 1) * bsize);
         if (ip->i_di.di_height < height) {
@@ -554,7 +554,7 @@ int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsi
         bh = gfs2_block_pointers(inode, lblock, new, dblock, &boundary, &mp);
         *extlen = 1;
 
-        if (bh && !IS_ERR(bh) && *dblock && !*new) {
+        if (bh != NULL && !IS_ERR(bh) && *dblock != 0 && *new == 0) {
                 u64 tmp_dblock;
                 int tmp_new;
                 unsigned int nptrs;
@@ -565,7 +565,7 @@ int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsi
                         lookup_block(ip, bh, end_of_metadata, &mp, 0, &tmp_new, &tmp_dblock);
                         if (*dblock + *extlen != tmp_dblock)
                                 break;
-                        (*extlen)++;
+                        ++*extlen;
                 }
         }
         bmap_unlock(inode, create);
@@ -612,10 +612,8 @@ static int recursive_scan(struct gfs2_inode *ip, struct buffer_head *dibh,
                         return error;
                 dibh = bh;
 
-                top = (uint64_t *)(bh->b_data + sizeof(struct gfs2_dinode)) +
-                        mp->mp_list[0];
-                bottom = (uint64_t *)(bh->b_data + sizeof(struct gfs2_dinode)) +
-                        sdp->sd_diptrs;
+                top = (u64 *)(bh->b_data + sizeof(struct gfs2_dinode)) + mp->mp_list[0];
+                bottom = (u64 *)(bh->b_data + sizeof(struct gfs2_dinode)) + sdp->sd_diptrs;
         } else {
                 error = gfs2_meta_indirect_buffer(ip, height, block, 0, &bh);
                 if (error)