From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: chris.mason@oracle.com, xfs@oss.sgi.com
Subject: Re: [PATCH 1/5] xfs: introduce inode cluster buffer trylocks for xfs_iflush
Date: Thu, 3 Mar 2011 10:55:35 -0500 [thread overview]
Message-ID: <20110303155535.GA12670@infradead.org> (raw)
In-Reply-To: <1298412969-14389-2-git-send-email-david@fromorbit.com>
> + * pass through will see the stale flag set on the inode.
> + */
> + error = xfs_iflush(ip, SYNC_TRYLOCK | sync_mode);
> if (sync_mode & SYNC_WAIT) {
> + if (error == EAGAIN) {
> + xfs_iunlock(ip, XFS_ILOCK_EXCL);
> + /* backoff longer than in xfs_ifree_cluster */
> + delay(2);
Do we really need the delay here? It seems like we'd rather want to
keep going with scanning the next inode cluster and return here from
xfs_reclaim_inodes.
> diff --git a/fs/xfs/linux-2.6/xfs_sync.h b/fs/xfs/linux-2.6/xfs_sync.h
> index 32ba662..0ae48ff 100644
> --- a/fs/xfs/linux-2.6/xfs_sync.h
> +++ b/fs/xfs/linux-2.6/xfs_sync.h
> @@ -34,6 +34,7 @@ typedef struct xfs_sync_work {
>
> int xfs_syncd_init(struct xfs_mount *mp);
> void xfs_syncd_stop(struct xfs_mount *mp);
> +void xfs_syncd_queue_sync(struct xfs_mount *mp, int flags);
This hunk belongs into a different patch.
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next prev parent reply other threads:[~2011-03-03 15:52 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-22 22:16 [RFC, PATCH 0/5] xfs: Reduce OOM kill problems under heavy load Dave Chinner
2011-02-22 22:16 ` [PATCH 1/5] xfs: introduce inode cluster buffer trylocks for xfs_iflush Dave Chinner
2011-03-03 15:55 ` Christoph Hellwig [this message]
2011-03-03 22:04 ` Dave Chinner
2011-02-22 22:16 ` [PATCH 2/5] xfs: introduce a xfssyncd workqueue Dave Chinner
2011-02-22 22:16 ` [PATCH 3/5] xfs: convert ENOSPC inode flushing to use new syncd workqueue Dave Chinner
2011-03-03 15:34 ` Christoph Hellwig
2011-03-03 22:41 ` Dave Chinner
2011-03-04 12:40 ` Christoph Hellwig
2011-02-22 22:16 ` [PATCH 4/5] xfs: introduce background inode reclaim work Dave Chinner
2011-03-03 15:36 ` Christoph Hellwig
2011-03-03 22:43 ` Dave Chinner
2011-02-22 22:16 ` [PATCH 5/5] xfs: kick inode writeback when low on memory Dave Chinner
2011-03-02 3:06 ` Dave Chinner
2011-03-02 14:12 ` Christoph Hellwig
2011-03-03 2:42 ` Dave Chinner
2011-03-03 15:48 ` Christoph Hellwig
2011-03-03 16:19 ` Christoph Hellwig
2011-03-09 5:46 ` Dave Chinner
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