[GFS2] Tidy up in various files

Tidy up some files and remove an unused routine in meta_io.h. Also
added a bit of extra debugging in meta_io.h.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

3 files changed, 12 insertions, 40 deletions

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index e76f345517b7..9fb340984b29 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -277,8 +277,7 @@ int gfs2_dinode_dealloc(struct gfs2_inode *ip)
         if (error)
                 goto out_rindex_relse;
 
-        error = gfs2_trans_begin(sdp, RES_RG_BIT + 
-                                 RES_STATFS + RES_QUOTA, 1);
+        error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS + RES_QUOTA, 1);
         if (error)
                 goto out_rg_gunlock;
 
@@ -522,16 +521,13 @@ static int pick_formal_ino_2(struct gfs2_sbd *sdp, uint64_t *formal_ino)
         gfs2_trans_add_bh(ip->i_gl, bh, 1);
         gfs2_inum_range_out(&ir, bh->b_data + sizeof(struct gfs2_dinode));
 
- out_brelse:
+out_brelse:
         brelse(bh);
-
- out_end_trans:
+out_end_trans:
         mutex_unlock(&sdp->sd_inum_mutex);
         gfs2_trans_end(sdp);
-
- out:
+out:
         gfs2_glock_dq_uninit(&gh);
-
         return error;
 }
 
@@ -593,8 +589,7 @@ static void munge_mode_uid_gid(struct gfs2_inode *dip, unsigned int *mode,
                                unsigned int *uid, unsigned int *gid)
 {
         if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir &&
-            (dip->i_di.di_mode & S_ISUID) &&
-            dip->i_di.di_uid) {
+            (dip->i_di.di_mode & S_ISUID) && dip->i_di.di_uid) {
                 if (S_ISDIR(*mode))
                         *mode |= S_ISUID;
                 else if (dip->i_di.di_uid != current->fsuid)
@@ -634,10 +629,8 @@ static int alloc_dinode(struct gfs2_inode *dip, struct gfs2_inum *inum,
 
 out_ipreserv:
         gfs2_inplace_release(dip);
-
 out:
         gfs2_alloc_put(dip);
-
         return error;
 }
 
@@ -1300,7 +1293,6 @@ int gfs2_glock_nq_m_atime(unsigned int num_gh, struct gfs2_holder *ghs)
         }
 
         kfree(p);
-
         return error;
 }
 
@@ -1346,9 +1338,7 @@ int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr)
                 return error;
 
         error = __gfs2_setattr_simple(ip, attr);
-
         gfs2_trans_end(GFS2_SB(&ip->i_inode));
-
         return error;
 }
 
diff --git a/fs/gfs2/meta_io.h b/fs/gfs2/meta_io.h
index 23c6a596fd9e..951814e86272 100644
--- a/fs/gfs2/meta_io.h
+++ b/fs/gfs2/meta_io.h
@@ -17,35 +17,20 @@ static inline void gfs2_buffer_clear(struct buffer_head *bh)
 
 static inline void gfs2_buffer_clear_tail(struct buffer_head *bh, int head)
 {
+        BUG_ON(head > bh->b_size);
         memset(bh->b_data + head, 0, bh->b_size - head);
 }
 
-static inline void gfs2_buffer_clear_ends(struct buffer_head *bh, int offset,
-                                          int amount, int journaled)
-{
-        int z_off1 = (journaled) ? sizeof(struct gfs2_meta_header) : 0;
-        int z_len1 = offset - z_off1;
-        int z_off2 = offset + amount;
-        int z_len2 = (bh)->b_size - z_off2;
-
-        if (z_len1)
-                memset(bh->b_data + z_off1, 0, z_len1);
-
-        if (z_len2)
-                memset(bh->b_data + z_off2, 0, z_len2);
-}
-
 static inline void gfs2_buffer_copy_tail(struct buffer_head *to_bh,
                                          int to_head,
                                          struct buffer_head *from_bh,
                                          int from_head)
 {
-        memcpy(to_bh->b_data + to_head,
-               from_bh->b_data + from_head,
+        BUG_ON(from_head < to_head);
+        memcpy(to_bh->b_data + to_head, from_bh->b_data + from_head,
                from_bh->b_size - from_head);
         memset(to_bh->b_data + to_bh->b_size + to_head - from_head,
-               0,
-               from_head - to_head);
+               0, from_head - to_head);
 }
 
 struct inode *gfs2_aspace_get(struct gfs2_sbd *sdp);
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index d13e04e8a96a..145a29fa4ea4 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -597,13 +597,11 @@ static int gfs2_open(struct inode *inode, struct file *file)
 
         return 0;
 
- fail_gunlock:
+fail_gunlock:
         gfs2_glock_dq_uninit(&i_gh);
-
- fail:
+fail:
         file->private_data = NULL;
         kfree(fp);
-
         return error;
 }
 
@@ -736,9 +734,8 @@ static int do_flock(struct file *file, int cmd, struct file_lock *fl)
                 gfs2_assert_warn(GFS2_SB(&ip->i_inode), !error);
         }
 
- out:
+out:
         mutex_unlock(&fp->f_fl_mutex);
-
         return error;
 }