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    SubjectRe: [10/24] vfs: Add no_nrwrite_index_update writeback control flag
    On 05/25/2010 06:12 AM, Christoph Hellwig wrote:
    > On Mon, May 24, 2010 at 03:28:06PM -0700, Greg KH wrote:
    >> 2.6.27-stable review patch. If anyone has any objections, please let us know.
    >
    > NACK. This has been shown to cause severe writeback regression for
    > other filesystems and is beeing reverted in mianline.

    It can't be reverted directly (you'll get a build failure) since the
    next ext4 patch in this -stable series depends on it.

    There's a commit from Ted Ts'o in the ext4 git, "ext4: Use our own
    write_cache_pages()", which removes the dependency, but that patch is
    not yet in mainline so isn't a -stable candidate. When/if that patch
    hits mainline, it can be added to -stable and this patch dropped/reverted.

    Jayson


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