BUG_ON conversion for fs/reiserfs
This patch converts several if () BUG(); construct to BUG_ON();
which occupies less space, uses unlikely and is safer when
BUG() is disabled. S_ISREG() has no side effects, so the
conversion is safe.
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 41f2436..c093642 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -38,8 +38,7 @@
int err;
int jbegin_failure = 0;
- if (!S_ISREG(inode->i_mode))
- BUG();
+ BUG_ON(!S_ISREG(inode->i_mode));
/* fast out for when nothing needs to be done */
if ((atomic_read(&inode->i_count) > 1 ||
@@ -125,8 +124,7 @@
int n_err;
int barrier_done;
- if (!S_ISREG(p_s_inode->i_mode))
- BUG();
+ BUG_ON(!S_ISREG(p_s_inode->i_mode));
n_err = sync_mapping_buffers(p_s_inode->i_mapping);
reiserfs_write_lock(p_s_inode->i_sb);
barrier_done = reiserfs_commit_for_inode(p_s_inode);
diff --git a/fs/reiserfs/item_ops.c b/fs/reiserfs/item_ops.c
index 7a88adb..b9b423b 100644
--- a/fs/reiserfs/item_ops.c
+++ b/fs/reiserfs/item_ops.c
@@ -75,8 +75,7 @@
static int sd_check_left(struct virtual_item *vi, int free,
int start_skip, int end_skip)
{
- if (start_skip || end_skip)
- BUG();
+ BUG_ON(start_skip || end_skip);
return -1;
}
@@ -87,8 +86,7 @@
static int sd_part_size(struct virtual_item *vi, int first, int count)
{
- if (count)
- BUG();
+ BUG_ON(count);
return 0;
}
@@ -476,8 +474,7 @@
vi->vi_index = TYPE_DIRENTRY;
- if (!(vi->vi_ih) || !vi->vi_item)
- BUG();
+ BUG_ON(!(vi->vi_ih) || !vi->vi_item);
dir_u->flags = 0;
if (le_ih_k_offset(vi->vi_ih) == DOT_OFFSET)
@@ -575,8 +572,7 @@
free -= dir_u->entry_sizes[i];
entries++;
}
- if (entries == dir_u->entry_count)
- BUG();
+ BUG_ON(entries == dir_u->entry_count);
/* "." and ".." can not be separated from each other */
if ((dir_u->flags & DIRENTRY_VI_FIRST_DIRENTRY_ITEM)
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index e6b5ccf..ad8cbc4 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -718,8 +718,7 @@
spinlock_t * lock, void (fn) (struct buffer_chunk *))
{
int ret = 0;
- if (chunk->nr >= CHUNK_SIZE)
- BUG();
+ BUG_ON(chunk->nr >= CHUNK_SIZE);
chunk->bh[chunk->nr++] = bh;
if (chunk->nr >= CHUNK_SIZE) {
ret = 1;
@@ -788,8 +787,7 @@
/* buffer must be locked for __add_jh, should be able to have
* two adds at the same time
*/
- if (bh->b_private)
- BUG();
+ BUG_ON(bh->b_private);
jh->bh = bh;
bh->b_private = jh;
}
@@ -2967,8 +2965,7 @@
int retval;
reiserfs_check_lock_depth(p_s_sb, "journal_begin");
- if (nblocks > journal->j_trans_max)
- BUG();
+ BUG_ON(nblocks > journal->j_trans_max);
PROC_INFO_INC(p_s_sb, journal.journal_being);
/* set here for journal_join */
@@ -3084,9 +3081,8 @@
if (reiserfs_transaction_running(s)) {
th = current->journal_info;
th->t_refcount++;
- if (th->t_refcount < 2) {
- BUG();
- }
+ BUG_ON(th->t_refcount < 2);
+
return th;
}
th = kmalloc(sizeof(struct reiserfs_transaction_handle), GFP_NOFS);
@@ -3126,9 +3122,7 @@
** pointer
*/
th->t_handle_save = cur_th;
- if (cur_th && cur_th->t_refcount > 1) {
- BUG();
- }
+ BUG_ON(cur_th && cur_th->t_refcount > 1);
return do_journal_begin_r(th, p_s_sb, nblocks, JBEGIN_JOIN);
}
@@ -3141,9 +3135,7 @@
** pointer
*/
th->t_handle_save = cur_th;
- if (cur_th && cur_th->t_refcount > 1) {
- BUG();
- }
+ BUG_ON(cur_th && cur_th->t_refcount > 1);
return do_journal_begin_r(th, p_s_sb, nblocks, JBEGIN_ABORT);
}
@@ -3178,8 +3170,7 @@
current->journal_info = th;
}
ret = do_journal_begin_r(th, p_s_sb, nblocks, JBEGIN_REG);
- if (current->journal_info != th)
- BUG();
+ BUG_ON(current->journal_info != th);
/* I guess this boils down to being the reciprocal of clm-2100 above.
* If do_journal_begin_r fails, we need to put it back, since journal_end
@@ -3324,8 +3315,7 @@
/* we aren't allowed to close a nested transaction on a different
** filesystem from the one in the task struct
*/
- if (cur_th->t_super != th->t_super)
- BUG();
+ BUG_ON(cur_th->t_super != th->t_super);
if (th != cur_th) {
memcpy(current->journal_info, th, sizeof(*th));
@@ -3444,9 +3434,7 @@
BUG_ON(!th->t_trans_id);
/* you can sync while nested, very, very bad */
- if (th->t_refcount > 1) {
- BUG();
- }
+ BUG_ON(th->t_refcount > 1);
if (journal->j_len == 0) {
reiserfs_prepare_for_journal(p_s_sb, SB_BUFFER_WITH_SB(p_s_sb),
1);
@@ -3556,9 +3544,8 @@
** will be dealt with by next transaction that actually writes something, but should be taken
** care of in this trans
*/
- if (journal->j_len == 0) {
- BUG();
- }
+ BUG_ON(journal->j_len == 0);
+
/* if wcount > 0, and we are called to with flush or commit_now,
** we wait on j_join_wait. We will wake up when the last writer has
** finished the transaction, and started it on its way to the disk.
@@ -3592,9 +3579,8 @@
unlock_journal(p_s_sb);
}
}
- if (journal->j_trans_id == trans_id) {
- BUG();
- }
+ BUG_ON(journal->j_trans_id == trans_id);
+
if (commit_now
&& journal_list_still_alive(p_s_sb, trans_id)
&& wait_on_commit) {
@@ -4074,9 +4060,7 @@
set_commit_trans_len(commit, journal->j_len);
/* special check in case all buffers in the journal were marked for not logging */
- if (journal->j_len == 0) {
- BUG();
- }
+ BUG_ON(journal->j_len == 0);
/* we're about to dirty all the log blocks, mark the description block
* dirty now too. Don't mark the commit block dirty until all the
@@ -4173,8 +4157,7 @@
journal, jl, &jl->j_tail_bh_list);
lock_kernel();
}
- if (!list_empty(&jl->j_tail_bh_list))
- BUG();
+ BUG_ON(!list_empty(&jl->j_tail_bh_list));
up(&jl->j_commit_lock);
/* honor the flush wishes from the caller, simple commits can
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index 16e9cff..abde1ed 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -67,8 +67,7 @@
{
struct reiserfs_de_head *deh = de->de_deh + de->de_entry_num;
- if (de->de_entry_num >= ih_entry_count(de->de_ih))
- BUG();
+ BUG_ON(de->de_entry_num >= ih_entry_count(de->de_ih));
de->de_entrylen = entry_length(de->de_bh, de->de_ih, de->de_entry_num);
de->de_namelen = de->de_entrylen - (de_with_sd(deh) ? SD_SIZE : 0);
@@ -80,8 +79,7 @@
// what entry points to
static inline void set_de_object_key(struct reiserfs_dir_entry *de)
{
- if (de->de_entry_num >= ih_entry_count(de->de_ih))
- BUG();
+ BUG_ON(de->de_entry_num >= ih_entry_count(de->de_ih));
de->de_dir_id = deh_dir_id(&(de->de_deh[de->de_entry_num]));
de->de_objectid = deh_objectid(&(de->de_deh[de->de_entry_num]));
}
@@ -90,8 +88,7 @@
{
struct reiserfs_de_head *deh = de->de_deh + de->de_entry_num;
- if (de->de_entry_num >= ih_entry_count(de->de_ih))
- BUG();
+ BUG_ON(de->de_entry_num >= ih_entry_count(de->de_ih));
/* store key of the found entry */
de->de_entry_key.version = KEY_FORMAT_3_5;
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index 8b9b131..5240abe 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -1476,9 +1476,7 @@
int n_block_size = p_s_sb->s_blocksize;
int cut_bytes;
BUG_ON(!th->t_trans_id);
-
- if (n_new_file_size != p_s_inode->i_size)
- BUG();
+ BUG_ON(n_new_file_size != p_s_inode->i_size);
/* the page being sent in could be NULL if there was an i/o error
** reading in the last block. The user will hit problems trying to