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    Subject[PATCH 13/17] xfs: Convert sync_page_range() to simple fdatawrite_range()
    Date
    Christoph Hellwig says that it is enough for XFS to call
    filemap_fdatawrite_range() instead of sync_page_range() because we do all the
    waiting when forcing the log.

    CC: Felix Blyakher <felixb@sgi.com>
    CC: xfs@oss.sgi.com
    CC: Christoph Hellwig <hch@lst.de>
    Signed-off-by: Jan Kara <jack@suse.cz>
    ---
    fs/xfs/linux-2.6/xfs_lrw.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
    index 7078974..a68053c 100644
    --- a/fs/xfs/linux-2.6/xfs_lrw.c
    +++ b/fs/xfs/linux-2.6/xfs_lrw.c
    @@ -817,7 +817,7 @@ write_retry:
    xfs_iunlock(xip, iolock);
    if (need_i_mutex)
    mutex_unlock(&inode->i_mutex);
    - error2 = sync_page_range(inode, mapping, pos, ret);
    + error2 = filemap_fdatawrite_range(mapping, pos, pos + ret - 1);
    if (!error)
    error = error2;
    if (need_i_mutex)
    --
    1.6.0.2


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