[Ocfs2-devel] [PATCH] Remove unecessary variable needs_checkpoint

[Goldwyn Rodrigues <rgoldwyn@gmail.com>]

Code cleanup: needs_checkpoint is only assigned but never used to check.
Delete the variable.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>

---
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index a3385b6..0a99273 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -200,7 +200,6 @@ void ocfs2_complete_quota_recovery(struct ocfs2_super *osb);

 static inline void ocfs2_start_checkpoint(struct ocfs2_super *osb)
 {
- atomic_set(&osb->needs_checkpoint, 1);
  wake_up(&osb->checkpoint_event);
 }

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index d355e6e..3a90347 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -347,7 +347,6 @@ struct ocfs2_super
  struct task_struct *recovery_thread_task;
  int disable_recovery;
  wait_queue_head_t checkpoint_event;
- atomic_t needs_checkpoint;
  struct ocfs2_journal *journal;
  unsigned long osb_commit_interval;

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 01b8516..854d809 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -286,10 +286,9 @@ static int ocfs2_osb_dump(struct ocfs2_super
*osb, char *buf, int len)
  spin_unlock(&osb->osb_lock);

  out += snprintf(buf + out, len - out,
- "%10s => Pid: %d  Interval: %lu  Needs: %d\n", "Commit",
+ "%10s => Pid: %d  Interval: %lu\n", "Commit",
  (osb->commit_task ? task_pid_nr(osb->commit_task) : -1),
- osb->osb_commit_interval,
- atomic_read(&osb->needs_checkpoint));
+ osb->osb_commit_interval);

  out += snprintf(buf + out, len - out,
  "%10s => State: %d  TxnId: %lu  NumTxns: %d\n",
@@ -2154,7 +2153,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
  }

  init_waitqueue_head(&osb->checkpoint_event);
- atomic_set(&osb->needs_checkpoint, 0);

  osb->s_atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM;