Commit 1b7fa4c2 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 

Pull ocfs2 fixes from Joel Becker.

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2:
  aio: make kiocb->private NUll in init_sync_kiocb()
  ocfs2: Fix bogus error message from ocfs2_global_read_info
  ocfs2: for SEEK_DATA/SEEK_HOLE, return internal error unchanged if ocfs2_get_clusters_nocache() or ocfs2_inode_lock() call failed.
  ocfs2: use spinlock irqsave for downconvert lock.patch
  ocfs2: Misplaced parens in unlikley
  ocfs2: clear unaligned io flag when dio fails
parents 064ea1ae 2dfd0603

fs/ocfs2/dlmglue.c

+20 −13
Original line number Diff line number Diff line
@@ -456,7 +456,7 @@ static void ocfs2_update_lock_stats(struct ocfs2_lock_res *res, int level, 
	stats->ls_gets++;

	stats->ls_total += ktime_to_ns(kt);

	/* overflow */

	if (unlikely(stats->ls_gets) == 0) {

	if (unlikely(stats->ls_gets == 0)) {

		stats->ls_gets++;

		stats->ls_total = ktime_to_ns(kt);

	}
@@ -3932,6 +3932,8 @@ unqueue: 
static void ocfs2_schedule_blocked_lock(struct ocfs2_super *osb,

					struct ocfs2_lock_res *lockres)

{

	unsigned long flags;



	assert_spin_locked(&lockres->l_lock);



	if (lockres->l_flags & OCFS2_LOCK_FREEING) {
@@ -3945,21 +3947,22 @@ static void ocfs2_schedule_blocked_lock(struct ocfs2_super *osb, 


	lockres_or_flags(lockres, OCFS2_LOCK_QUEUED);



	spin_lock(&osb->dc_task_lock);

	spin_lock_irqsave(&osb->dc_task_lock, flags);

	if (list_empty(&lockres->l_blocked_list)) {

		list_add_tail(&lockres->l_blocked_list,

			      &osb->blocked_lock_list);

		osb->blocked_lock_count++;

	}

	spin_unlock(&osb->dc_task_lock);

	spin_unlock_irqrestore(&osb->dc_task_lock, flags);

}



static void ocfs2_downconvert_thread_do_work(struct ocfs2_super *osb)

{

	unsigned long processed;

	unsigned long flags;

	struct ocfs2_lock_res *lockres;



	spin_lock(&osb->dc_task_lock);

	spin_lock_irqsave(&osb->dc_task_lock, flags);

	/* grab this early so we know to try again if a state change and

	 * wake happens part-way through our work  */

	osb->dc_work_sequence = osb->dc_wake_sequence;
@@ -3972,38 +3975,40 @@ static void ocfs2_downconvert_thread_do_work(struct ocfs2_super *osb) 
				     struct ocfs2_lock_res, l_blocked_list);

		list_del_init(&lockres->l_blocked_list);

		osb->blocked_lock_count--;

		spin_unlock(&osb->dc_task_lock);

		spin_unlock_irqrestore(&osb->dc_task_lock, flags);



		BUG_ON(!processed);

		processed--;



		ocfs2_process_blocked_lock(osb, lockres);



		spin_lock(&osb->dc_task_lock);

		spin_lock_irqsave(&osb->dc_task_lock, flags);

	}

	spin_unlock(&osb->dc_task_lock);

	spin_unlock_irqrestore(&osb->dc_task_lock, flags);

}



static int ocfs2_downconvert_thread_lists_empty(struct ocfs2_super *osb)

{

	int empty = 0;

	unsigned long flags;



	spin_lock(&osb->dc_task_lock);

	spin_lock_irqsave(&osb->dc_task_lock, flags);

	if (list_empty(&osb->blocked_lock_list))

		empty = 1;



	spin_unlock(&osb->dc_task_lock);

	spin_unlock_irqrestore(&osb->dc_task_lock, flags);

	return empty;

}



static int ocfs2_downconvert_thread_should_wake(struct ocfs2_super *osb)

{

	int should_wake = 0;

	unsigned long flags;



	spin_lock(&osb->dc_task_lock);

	spin_lock_irqsave(&osb->dc_task_lock, flags);

	if (osb->dc_work_sequence != osb->dc_wake_sequence)

		should_wake = 1;

	spin_unlock(&osb->dc_task_lock);

	spin_unlock_irqrestore(&osb->dc_task_lock, flags);



	return should_wake;

}
@@ -4033,10 +4038,12 @@ static int ocfs2_downconvert_thread(void *arg) 


void ocfs2_wake_downconvert_thread(struct ocfs2_super *osb)

{

	spin_lock(&osb->dc_task_lock);

	unsigned long flags;



	spin_lock_irqsave(&osb->dc_task_lock, flags);

	/* make sure the voting thread gets a swipe at whatever changes

	 * the caller may have made to the voting state */

	osb->dc_wake_sequence++;

	spin_unlock(&osb->dc_task_lock);

	spin_unlock_irqrestore(&osb->dc_task_lock, flags);

	wake_up(&osb->dc_event);

}

fs/ocfs2/extent_map.c

+0 −2
Original line number Diff line number Diff line
@@ -923,8 +923,6 @@ out_unlock: 


	ocfs2_inode_unlock(inode, 0);

out:

	if (ret && ret != -ENXIO)

		ret = -ENXIO;

	return ret;

}

fs/ocfs2/file.c

+3 −1
Original line number Diff line number Diff line
@@ -2422,8 +2422,10 @@ out_dio: 
		unaligned_dio = 0;

	}



	if (unaligned_dio)

	if (unaligned_dio) {

		ocfs2_iocb_clear_unaligned_aio(iocb);

		atomic_dec(&OCFS2_I(inode)->ip_unaligned_aio);

	}



out:

	if (rw_level != -1)

fs/ocfs2/quota_global.c

+0 −2
Original line number Diff line number Diff line
@@ -399,8 +399,6 @@ int ocfs2_global_read_info(struct super_block *sb, int type) 
			      msecs_to_jiffies(oinfo->dqi_syncms));



out_err:

	if (status)

		mlog_errno(status);

	return status;

out_unlock:

	ocfs2_unlock_global_qf(oinfo, 0);

include/linux/aio.h

+1 −0
Original line number Diff line number Diff line
@@ -140,6 +140,7 @@ struct kiocb { 
		(x)->ki_dtor = NULL;			\

		(x)->ki_obj.tsk = tsk;			\

		(x)->ki_user_data = 0;                  \

		(x)->private = NULL;			\

	} while (0)



#define AIO_RING_MAGIC			0xa10a10a1

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