From: Mingming Cao <cmm@us.ibm.com>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: jack@suse.cz, linux-ext4@vger.kernel.org
Subject: Re: [PATCH] ext4: Need clear buffer_delay after page writeout for delayed allocation
Date: Sun, 01 Jun 2008 20:50:32 -0700 [thread overview]
Message-ID: <1212378632.4368.79.camel@localhost.localdomain> (raw)
In-Reply-To: <20080602031433.GA17678@skywalker>
On Mon, 2008-06-02 at 08:44 +0530, Aneesh Kumar K.V wrote:
> On Sun, Jun 01, 2008 at 02:10:02PM -0700, Mingming Cao wrote:
> > ext4: Need clear buffer_delay after page writeout for delayed allocation
> >
> > From: Mingming Cao <cmm@us.ibm.com>
> >
> > Need clear buffer_delay in ext4_da_writepage() after page has been writeout
> >
> > Signed-off-by: Mingming Cao <cmm@us.ibm.com>
> >
> > ---
>
> We do that in mpage_put_bnr_to_bhs.
>
Normally delayed buffer could be cleared in that case, but if allocation
failed in __mapge_da_writepages(), it will keep buffer_delay marked and
deferring to later ext4_da_writepage() to do block allocation. This
patch handles clear bh delay bit in this case.
Mingming
next prev parent reply other threads:[~2008-06-02 3:50 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-30 13:39 [PATCH -v2] delalloc and journal locking order inversion fixes Aneesh Kumar K.V
2008-05-30 13:39 ` [PATCH] ext4: Use page_mkwrite vma_operations to get mmap write notification Aneesh Kumar K.V
2008-05-30 13:39 ` [PATCH] ext4: Inverse locking order of page_lock and transaction start Aneesh Kumar K.V
2008-05-30 13:39 ` [PATCH] vfs: Move mark_inode_dirty() from under page lock in generic_write_end() Aneesh Kumar K.V
2008-05-30 13:39 ` [PATCH] ext4: Add validation to jbd lock inversion patch and split and writepage Aneesh Kumar K.V
2008-05-30 13:39 ` [PATCH] ext4: inverse locking ordering of page_lock and transaction start in delalloc Aneesh Kumar K.V
2008-05-30 13:39 ` [PATCH] ext4: Fix delalloc sync hang with journal lock inversion Aneesh Kumar K.V
2008-06-02 9:35 ` Jan Kara
2008-06-02 9:59 ` Aneesh Kumar K.V
2008-06-02 10:27 ` Jan Kara
2008-06-05 13:54 ` Aneesh Kumar K.V
2008-06-05 16:22 ` Jan Kara
2008-06-05 19:19 ` Aneesh Kumar K.V
2008-06-11 12:41 ` Jan Kara
2008-06-11 13:56 ` Aneesh Kumar K.V
2008-06-11 17:48 ` Jan Kara
2008-06-12 23:10 ` Mingming Cao
2008-06-02 9:31 ` [PATCH] ext4: Add validation to jbd lock inversion patch and split and writepage Jan Kara
2008-06-02 9:52 ` Aneesh Kumar K.V
2008-06-02 10:40 ` Jan Kara
2008-05-30 17:51 ` [PATCH -v2] delalloc and journal locking order inversion fixes Mingming
2008-06-01 21:10 ` [PATCH] ext4: Need clear buffer_delay after page writeout for delayed allocation Mingming Cao
2008-06-02 3:14 ` Aneesh Kumar K.V
2008-06-02 3:50 ` Mingming Cao [this message]
2008-06-02 4:09 ` Aneesh Kumar K.V
2008-06-02 5:38 ` Mingming Cao
2008-06-02 6:35 ` Aneesh Kumar K.V
2008-06-02 7:04 ` Mingming Cao
2008-06-02 8:05 ` Aneesh Kumar K.V
2008-06-03 4:43 ` Mingming Cao
2008-06-03 10:07 ` Aneesh Kumar K.V
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