[PATCH] BUG_ON() Conversion in fs/ocfs2/

this changes if() BUG(); constructs to BUG_ON() which is
cleaner, contains unlikely() and can better optimized away.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

4 files changed, 11 insertions, 20 deletions

diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index eb2bd8a4ca82..b6ba292e9544 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -262,8 +262,7 @@ static int ocfs2_extent_map_find_leaf(struct inode *inode,
                 el = &eb->h_list;
         }
 
-        if (el->l_tree_depth)
-                BUG();
+        BUG_ON(el->l_tree_depth);
 
         for (i = 0; i < le16_to_cpu(el->l_next_free_rec); i++) {
                 rec = &el->l_recs[i];
@@ -364,8 +363,8 @@ static int ocfs2_extent_map_lookup_read(struct inode *inode,
                 return ret;
         }
 
-        if (ent->e_tree_depth)
-                BUG();  /* FIXME: Make sure this isn't a corruption */
+        /* FIXME: Make sure this isn't a corruption */
+        BUG_ON(ent->e_tree_depth);
 
         *ret_ent = ent;
 
@@ -423,8 +422,7 @@ static int ocfs2_extent_map_try_insert(struct inode *inode,
                                           le32_to_cpu(rec->e_clusters), NULL,
                                           NULL);
 
-        if (!old_ent)
-                BUG();
+        BUG_ON(!old_ent);
 
         ret = -EEXIST;
         if (old_ent->e_tree_depth < tree_depth)
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index ccabed9a0aad..b71b3385fdbd 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -147,8 +147,7 @@ struct ocfs2_journal_handle *ocfs2_start_trans(struct ocfs2_super *osb,
 
         mlog_entry("(max_buffs = %d)\n", max_buffs);
 
-        if (!osb || !osb->journal->j_journal)
-                BUG();
+        BUG_ON(!osb || !osb->journal->j_journal);
 
         if (ocfs2_is_hard_readonly(osb)) {
                 ret = -EROFS;
@@ -672,8 +671,7 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb)
 
         mlog_entry_void();
 
-        if (!osb)
-                BUG();
+        BUG_ON(!osb);
 
         journal = osb->journal;
         if (!journal)
@@ -805,8 +803,7 @@ int ocfs2_journal_wipe(struct ocfs2_journal *journal, int full)
 
         mlog_entry_void();
 
-        if (!journal)
-                BUG();
+        BUG_ON(!journal);
 
         status = journal_wipe(journal->j_journal, full);
         if (status < 0) {
@@ -1271,8 +1268,7 @@ static int ocfs2_recover_node(struct ocfs2_super *osb,
 
         /* Should not ever be called to recover ourselves -- in that
          * case we should've called ocfs2_journal_load instead. */
-        if (osb->node_num == node_num)
-                BUG();
+        BUG_ON(osb->node_num == node_num);
 
         slot_num = ocfs2_node_num_to_slot(si, node_num);
         if (slot_num == OCFS2_INVALID_SLOT) {
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index e7e17bdf6296..046824b6b625 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1254,8 +1254,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
         osb->sb = sb;
         /* Save off for ocfs2_rw_direct */
         osb->s_sectsize_bits = blksize_bits(sector_size);
-        if (!osb->s_sectsize_bits)
-                BUG();
+        BUG_ON(!osb->s_sectsize_bits);
 
         osb->net_response_ids = 0;
         spin_lock_init(&osb->net_response_lock);
diff --git a/fs/ocfs2/sysfile.c b/fs/ocfs2/sysfile.c
index 600a8bc5b541..fc29cb7a437d 100644
--- a/fs/ocfs2/sysfile.c
+++ b/fs/ocfs2/sysfile.c
@@ -77,8 +77,7 @@ struct inode *ocfs2_get_system_file_inode(struct ocfs2_super *osb,
         if (arr && ((inode = *arr) != NULL)) {
                 /* get a ref in addition to the array ref */
                 inode = igrab(inode);
-                if (!inode)
-                        BUG();
+                BUG_ON(!inode);
 
                 return inode;
         }
@@ -89,8 +88,7 @@ struct inode *ocfs2_get_system_file_inode(struct ocfs2_super *osb,
         /* add one more if putting into array for first time */
         if (arr && inode) {
                 *arr = igrab(inode);
-                if (!*arr)
-                        BUG();
+                BUG_ON(!*arr);
         }
         return inode;
 }