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reiserfs: cleanup, remove unnecessary parens

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The reiserfs code is littered with extra parens in places where the authors
may not have been certain about precedence of & vs ->. This patch cleans them
out.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jeff Mahoney
2014-04-23 10:00:42 -04:00
committed by Jan Kara
parent cf776a7a4d
commit a228bf8f0a
15 changed files with 129 additions and 130 deletions
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73
fs/reiserfs/journal.c
View File

@@ -1016,9 +1016,9 @@ static int flush_commit_list(struct super_block *s,
BUG_ON(jl->j_trans_id == 0);
/* this commit is done, exit */
if (atomic_read(&(jl->j_commit_left)) <= 0) {
if (atomic_read(&jl->j_commit_left) <= 0) {
if (flushall) {
atomic_set(&(jl->j_older_commits_done), 1);
atomic_set(&jl->j_older_commits_done, 1);
}
mutex_unlock(&jl->j_commit_mutex);
goto put_jl;
@@ -1094,10 +1094,10 @@ static int flush_commit_list(struct super_block *s,
put_bh(tbh);
/* once due to original getblk in do_journal_end */
put_bh(tbh);
atomic_dec(&(jl->j_commit_left));
atomic_dec(&jl->j_commit_left);
}
BUG_ON(atomic_read(&(jl->j_commit_left)) != 1);
BUG_ON(atomic_read(&jl->j_commit_left) != 1);
/*
* If there was a write error in the journal - we can't commit
@@ -1147,10 +1147,10 @@ static int flush_commit_list(struct super_block *s,
/* mark the metadata dirty */
if (!retval)
dirty_one_transaction(s, jl);
atomic_dec(&(jl->j_commit_left));
atomic_dec(&jl->j_commit_left);
if (flushall) {
atomic_set(&(jl->j_older_commits_done), 1);
atomic_set(&jl->j_older_commits_done, 1);
}
mutex_unlock(&jl->j_commit_mutex);
put_jl:
@@ -1379,8 +1379,8 @@ static int flush_journal_list(struct super_block *s,
}
/* if all the work is already done, get out of here */
if (atomic_read(&(jl->j_nonzerolen)) <= 0 &&
atomic_read(&(jl->j_commit_left)) <= 0) {
if (atomic_read(&jl->j_nonzerolen) <= 0 &&
atomic_read(&jl->j_commit_left) <= 0) {
goto flush_older_and_return;
}
@@ -1395,8 +1395,8 @@ static int flush_journal_list(struct super_block *s,
BUG();
/* are we done now? */
if (atomic_read(&(jl->j_nonzerolen)) <= 0 &&
atomic_read(&(jl->j_commit_left)) <= 0) {
if (atomic_read(&jl->j_nonzerolen) <= 0 &&
atomic_read(&jl->j_commit_left) <= 0) {
goto flush_older_and_return;
}
@@ -1404,7 +1404,7 @@ static int flush_journal_list(struct super_block *s,
* loop through each cnode, see if we need to write it,
* or wait on a more recent transaction, or just ignore it
*/
if (atomic_read(&(journal->j_wcount)) != 0) {
if (atomic_read(&journal->j_wcount) != 0) {
reiserfs_panic(s, "journal-844", "journal list is flushing, "
"wcount is not 0");
}
@@ -1513,7 +1513,7 @@ free_cnode:
* taking the buffer head away
*/
put_bh(saved_bh);
if (atomic_read(&(saved_bh->b_count)) < 0) {
if (atomic_read(&saved_bh->b_count) < 0) {
reiserfs_warning(s, "journal-945",
"saved_bh->b_count < 0");
}
@@ -1614,7 +1614,7 @@ flush_older_and_return:
* help find code using dead lists later on
*/
jl->j_len = 0;
atomic_set(&(jl->j_nonzerolen), 0);
atomic_set(&jl->j_nonzerolen, 0);
jl->j_start = 0;
jl->j_realblock = NULL;
jl->j_commit_bh = NULL;
@@ -1873,7 +1873,7 @@ void remove_journal_hash(struct super_block *sb,
* dec the nonzerolen
*/
if (cur->bh && cur->jlist)
atomic_dec(&(cur->jlist->j_nonzerolen));
atomic_dec(&cur->jlist->j_nonzerolen);
cur->bh = NULL;
cur->jlist = NULL;
}
@@ -2836,20 +2836,20 @@ int journal_init(struct super_block *sb, const char *j_dev_name,
journal->j_start = 0;
journal->j_len = 0;
journal->j_len_alloc = 0;
atomic_set(&(journal->j_wcount), 0);
atomic_set(&(journal->j_async_throttle), 0);
atomic_set(&journal->j_wcount, 0);
atomic_set(&journal->j_async_throttle, 0);
journal->j_bcount = 0;
journal->j_trans_start_time = 0;
journal->j_last = NULL;
journal->j_first = NULL;
init_waitqueue_head(&(journal->j_join_wait));
init_waitqueue_head(&journal->j_join_wait);
mutex_init(&journal->j_mutex);
mutex_init(&journal->j_flush_mutex);
journal->j_trans_id = 10;
journal->j_mount_id = 10;
journal->j_state = 0;
atomic_set(&(journal->j_jlock), 0);
atomic_set(&journal->j_jlock, 0);
journal->j_cnode_free_list = allocate_cnodes(num_cnodes);
journal->j_cnode_free_orig = journal->j_cnode_free_list;
journal->j_cnode_free = journal->j_cnode_free_list ? num_cnodes : 0;
@@ -2913,7 +2913,7 @@ int journal_transaction_should_end(struct reiserfs_transaction_handle *th,
return 0;
if (journal->j_must_wait > 0 ||
(journal->j_len_alloc + new_alloc) >= journal->j_max_batch ||
atomic_read(&(journal->j_jlock)) ||
atomic_read(&journal->j_jlock) ||
(now - journal->j_trans_start_time) > journal->j_max_trans_age ||
journal->j_cnode_free < (journal->j_trans_max * 3)) {
return 1;
@@ -3113,7 +3113,7 @@ relock:
if (journal->j_trans_start_time == 0) {
journal->j_trans_start_time = get_seconds();
}
atomic_inc(&(journal->j_wcount));
atomic_inc(&journal->j_wcount);
journal->j_len_alloc += nblocks;
th->t_blocks_logged = 0;
th->t_blocks_allocated = nblocks;
@@ -3306,10 +3306,10 @@ int journal_mark_dirty(struct reiserfs_transaction_handle *th,
buffer_journal_dirty(bh) ? ' ' : '!');
}
if (atomic_read(&(journal->j_wcount)) <= 0) {
if (atomic_read(&journal->j_wcount) <= 0) {
reiserfs_warning(sb, "journal-1409",
"returning because j_wcount was %d",
atomic_read(&(journal->j_wcount)));
atomic_read(&journal->j_wcount));
return 1;
}
/*
@@ -3448,7 +3448,7 @@ static int remove_from_transaction(struct super_block *sb,
clear_buffer_dirty(bh);
clear_buffer_journal_test(bh);
put_bh(bh);
if (atomic_read(&(bh->b_count)) < 0) {
if (atomic_read(&bh->b_count) < 0) {
reiserfs_warning(sb, "journal-1752",
"b_count < 0");
}
@@ -3497,7 +3497,7 @@ static int can_dirty(struct reiserfs_journal_cnode *cn)
cur = cn->hnext;
while (cur && can_dirty) {
if (cur->jlist && cur->jlist->j_len > 0 &&
atomic_read(&(cur->jlist->j_commit_left)) > 0 && cur->bh &&
atomic_read(&cur->jlist->j_commit_left) > 0 && cur->bh &&
cur->blocknr && cur->sb == sb && cur->blocknr == blocknr) {
can_dirty = 0;
}
@@ -3623,8 +3623,8 @@ static int check_journal_end(struct reiserfs_transaction_handle *th, int flags)
journal->j_len_alloc -= (th->t_blocks_allocated - th->t_blocks_logged);
/* <= 0 is allowed. unmounting might not call begin */
if (atomic_read(&(journal->j_wcount)) > 0)
atomic_dec(&(journal->j_wcount));
if (atomic_read(&journal->j_wcount) > 0)
atomic_dec(&journal->j_wcount);
/*
* BUG, deal with case where j_len is 0, but people previously
@@ -3642,7 +3642,7 @@ static int check_journal_end(struct reiserfs_transaction_handle *th, int flags)
* because the rest of journal end was already done for this
* transaction.
*/
if (atomic_read(&(journal->j_wcount)) > 0) {
if (atomic_read(&journal->j_wcount) > 0) {
if (flush || commit_now) {
unsigned trans_id;
@@ -3650,7 +3650,7 @@ static int check_journal_end(struct reiserfs_transaction_handle *th, int flags)
trans_id = jl->j_trans_id;
if (wait_on_commit)
jl->j_state |= LIST_COMMIT_PENDING;
atomic_set(&(journal->j_jlock), 1);
atomic_set(&journal->j_jlock, 1);
if (flush) {
journal->j_next_full_flush = 1;
}
@@ -3666,7 +3666,7 @@ static int check_journal_end(struct reiserfs_transaction_handle *th, int flags)
} else {
lock_journal(sb);
if (journal->j_trans_id == trans_id) {
atomic_set(&(journal->j_jlock),
atomic_set(&journal->j_jlock,
1);
}
unlock_journal(sb);
@@ -3693,7 +3693,7 @@ static int check_journal_end(struct reiserfs_transaction_handle *th, int flags)
}
/* don't batch when someone is waiting on j_join_wait */
/* don't batch when syncing the commit or flushing the whole trans */
if (!(journal->j_must_wait > 0) && !(atomic_read(&(journal->j_jlock)))
if (!(journal->j_must_wait > 0) && !(atomic_read(&journal->j_jlock))
&& !flush && !commit_now && (journal->j_len < journal->j_max_batch)
&& journal->j_len_alloc < journal->j_max_batch
&& journal->j_cnode_free > (journal->j_trans_max * 3)) {
@@ -3792,7 +3792,7 @@ int journal_mark_freed(struct reiserfs_transaction_handle *th,
cleaned = 1;
put_bh(cn->bh);
if (atomic_read
(&(cn->bh->b_count)) < 0) {
(&cn->bh->b_count) < 0) {
reiserfs_warning(sb,
"journal-2138",
"cn->bh->b_count < 0");
@@ -3803,9 +3803,8 @@ int journal_mark_freed(struct reiserfs_transaction_handle *th,
* we MUST dec nonzerolen
*/
if (cn->jlist) {
atomic_dec(&
(cn->jlist->
j_nonzerolen));
atomic_dec(&cn->jlist->
j_nonzerolen);
}
cn->bh = NULL;
}
@@ -4244,7 +4243,7 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, int flags)
journal->j_start =
(journal->j_start + journal->j_len +
2) % SB_ONDISK_JOURNAL_SIZE(sb);
atomic_set(&(journal->j_wcount), 0);
atomic_set(&journal->j_wcount, 0);
journal->j_bcount = 0;
journal->j_last = NULL;
journal->j_first = NULL;
@@ -4349,11 +4348,11 @@ first_jl:
"could not get a list bitmap");
}
atomic_set(&(journal->j_jlock), 0);
atomic_set(&journal->j_jlock, 0);
unlock_journal(sb);
/* wake up any body waiting to join. */
clear_bit(J_WRITERS_QUEUED, &journal->j_state);
wake_up(&(journal->j_join_wait));
wake_up(&journal->j_join_wait);
if (!flush && wait_on_commit &&
journal_list_still_alive(sb, commit_trans_id)) {