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authorDave Chinner <dchinner@redhat.com>2016-02-15 17:21:31 +1100
committerDave Chinner <david@fromorbit.com>2016-02-15 17:21:31 +1100
commitad68972acb82c3e8bba316d542ab204984cb1f1c (patch)
treeae83220f04e8b3ee917f55556a4432cc59c5d646 /tools/perf/scripts/python/call-graph-from-postgresql.py
parentxfs: Introduce writeback context for writepages (diff)
downloadlinux-dev-ad68972acb82c3e8bba316d542ab204984cb1f1c.tar.xz
linux-dev-ad68972acb82c3e8bba316d542ab204984cb1f1c.zip
xfs: xfs_cluster_write is redundant
xfs_cluster_write() is not necessary now that xfs_vm_writepages() aggregates writepage calls across a single mapping. This means we no longer need to do page lookups in xfs_cluster_write, so writeback only needs to look up th epage cache once per page being written. This also removes a large amount of mostly duplicate code between xfs_do_writepage() and xfs_convert_page(). Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Chinner <david@fromorbit.com>
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