From: Wu Fengguang <fengguang.wu@intel.com>
To: <linux-fsdevel@vger.kernel.org>
Cc: Jan Kara <jack@suse.cz>, Dave Chinner <david@fromorbit.com>,
Christoph Hellwig <hch@infradead.org>,
Michael Rubin <mrubin@google.com>,
Peter Zijlstra <peterz@infradead.org>,
Wu Fengguang <fengguang.wu@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 5/7] writeback: requeue_io_wait() on pages_skipped inode
Date: Thu, 20 Oct 2011 23:22:45 +0800 [thread overview]
Message-ID: <20111020153706.265653153@intel.com> (raw)
In-Reply-To: 20111020152240.751936131@intel.com
[-- Attachment #1: writeback-more_io_wait-d.patch --]
[-- Type: text/plain, Size: 887 bytes --]
Use requeue_io_wait() if some pages were skipped due to locked buffers.
Cc: Dave Chinner <david@fromorbit.com>
Cc: Michael Rubin <mrubin@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
fs/fs-writeback.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-next.orig/fs/fs-writeback.c 2011-10-20 22:42:24.000000000 +0800
+++ linux-next/fs/fs-writeback.c 2011-10-20 22:42:25.000000000 +0800
@@ -618,11 +618,11 @@ static long writeback_sb_inodes(struct s
if (wbc.pages_skipped) {
/*
* writeback is not making progress due to locked
* buffers. Skip this inode for now.
*/
- redirty_tail(inode, wb);
+ requeue_io_wait(inode, wb);
}
spin_unlock(&inode->i_lock);
spin_unlock(&wb->list_lock);
iput(inode);
cond_resched();
next prev parent reply other threads:[~2011-10-20 15:22 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-20 15:22 [PATCH 0/7] writeback: avoid touching dirtied_when on blocked inodes Wu Fengguang
2011-10-20 15:22 ` [PATCH 1/7] writeback: introduce queue b_more_io_wait Wu Fengguang
2011-10-20 23:23 ` Jan Kara
2011-10-20 15:22 ` [PATCH 2/7] writeback: avoid redirtying when ->write_inode failed to clear I_DIRTY Wu Fengguang
2011-10-20 23:24 ` Jan Kara
2011-10-20 15:22 ` [PATCH 3/7] writeback: update wb->last_active on written pages/inodes Wu Fengguang
2011-10-20 15:22 ` [PATCH 4/7] writeback: Retry kupdate work early if we need to retry some inode writeback Wu Fengguang
2011-10-20 15:22 ` Wu Fengguang [this message]
2011-10-20 23:25 ` [PATCH 5/7] writeback: requeue_io_wait() on pages_skipped inode Jan Kara
2011-10-20 15:22 ` [PATCH 6/7] writeback: requeue_io_wait() on blocked inode Wu Fengguang
2011-10-20 23:31 ` Jan Kara
2011-10-20 15:22 ` [PATCH 7/7] writeback: requeue_io_wait() when failed to grab superblock Wu Fengguang
2011-10-20 23:25 ` Jan Kara
2011-10-20 23:21 ` [PATCH 0/7] writeback: avoid touching dirtied_when on blocked inodes Jan Kara
2011-10-21 10:40 ` Wu Fengguang
2011-10-21 19:54 ` Jan Kara
2011-10-22 3:11 ` Wu Fengguang
2011-10-22 5:38 ` Wu Fengguang
2011-10-22 6:59 ` Wu Fengguang
2011-10-22 7:07 ` Wu Fengguang
2011-10-22 7:46 ` Wu Fengguang
2011-10-22 4:46 ` Wu Fengguang
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