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Date: Wed, 18 May 2011 14:17:11 -0400 From: Ted Ts'o <tytso@....edu> To: "Darrick J. Wong" <djwong@...ibm.com> Cc: Jan Kara <jack@...e.cz>, Alexander Viro <viro@...iv.linux.org.uk>, OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>, Jens Axboe <axboe@...nel.dk>, "Martin K. Petersen" <martin.petersen@...cle.com>, Jeff Layton <jlayton@...hat.com>, Dave Chinner <david@...morbit.com>, linux-kernel <linux-kernel@...r.kernel.org>, Dave Hansen <dave@...ux.vnet.ibm.com>, Christoph Hellwig <hch@...radead.org>, linux-mm@...ck.org, Chris Mason <chris.mason@...cle.com>, Joel Becker <jlbec@...lplan.org>, linux-scsi <linux-scsi@...r.kernel.org>, linux-fsdevel <linux-fsdevel@...r.kernel.org>, linux-ext4@...r.kernel.org, Mingming Cao <mcao@...ibm.com> Subject: Re: [5/7] ext4: Wait for writeback to complete while making pages writable On Mon, May 09, 2011 at 01:03:56PM -0000, Darrick J. Wong wrote: > In order to stabilize pages during disk writes, ext4_page_mkwrite must wait for > writeback operations to complete before making a page writable. Furthermore, > the function must return locked pages, and recheck the writeback status if the > page lock is ever dropped. The "someone could wander in" part of this patch > was suggested by Chris Mason. > > Signed-off-by: Darrick J. Wong <djwong@...ibm.com> > > --- > fs/ext4/inode.c | 24 +++++++++++++++++++----- > 1 files changed, 19 insertions(+), 5 deletions(-) Added to the ext4 tree, thanks. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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