Re: [5/7] ext4: Wait for writeback to complete while making pageswritable

From: Ted Ts'o
Date: Wed May 18 2011 - 14:17:46 EST

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@xxxxxxxxxx>
> ---
> fs/ext4/inode.c | 24 +++++++++++++++++++-----
> 1 files changed, 19 insertions(+), 5 deletions(-)

Added to the ext4 tree, thanks.

- Ted
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