Re: [PATCH 2/9]: Reduce Log I/O latency

Lachlan McIlroy
2007-11-26T02:13:00Z

> Index: 2.6.x-xfs-new/fs/xfs/xfs_log.c
> ===================================================================
> --- 2.6.x-xfs-new.orig/fs/xfs/xfs_log.c 2007-11-22 10:47:21.945395328 +1100
> +++ 2.6.x-xfs-new/fs/xfs/xfs_log.c 2007-11-22 10:53:11.556186722 +1100
> @@ -1443,6 +1443,8 @@ xlog_sync(xlog_t *log,
> XFS_BUF_ZEROFLAGS(bp);
> XFS_BUF_BUSY(bp);
> XFS_BUF_ASYNC(bp);
> + XFS_BUF_SET_LOGBUF(bp);
> +
> /*
> * Do an ordered write for the log block.
> * Its unnecessary to flush the first split block in the log wrap case.

Whichever way you go with this one Dave you should probably add another
XFS_BUF_SET_LOGBUF() call for the buffer split case further down in the
same function.