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Lachlan McIlroy authored
This function is used to compact the indirect extent list by moving extents from one page to the previous to fill them up. After we move some extents to an earlier page we need to shuffle the remaining extents to the start of the page. The actual bug here is the second argument to memmove() needs to index past the extents, that were copied to the previous page, and move the remaining extents. For pages that are already full (ie ext_avail == 0) the compaction code has no net effect so don't do it. SGI-PV: 983337 SGI-Modid: xfs-linux-melb:xfs-kern:31332a Signed-off-by:
Lachlan McIlroy <lachlan@sgi.com> Signed-off-by:
Christoph Hellwig <hch@infradead.org>
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