On 06/07/2013 07:49 PM, Goldwyn Rodrigues wrote:

> Code cleanup: needs_checkpoint is only assigned but never used to check.
> Delete the variable.
> 
> Signed-off-by: Goldwyn Rodrigues <[email protected]>
> 
> --- 
> 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;

Found another corruption on above line when applying this patch :-P.

But never mind, I fixed it for saving your time.
This fix looks good to me, thank you.

-Jeff


From: Goldwyn Rodrigues <[email protected]>

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

Signed-off-by: Goldwyn Rodrigues <[email protected]>
Reviewed-by: Jie Liu <[email protected]>
---
 fs/ocfs2/journal.h |    1 -
 fs/ocfs2/ocfs2.h   |    1 -
 fs/ocfs2/super.c   |    6 ++----
 3 files changed, 2 insertions(+), 6 deletions(-)

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;
 
-- 
1.7.9.5

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