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pnfs/blocklayout: fix end calculation in pnfs_num_cont_bytes
Use the number of pages in the pagecache mapping instead of the number of pnfs requests which is only slightly related. Reported-by: Weston Andros Adamson <dros@primarydata.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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@ -812,7 +812,7 @@ static u64 pnfs_num_cont_bytes(struct inode *inode, pgoff_t idx)
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/* Optimize common case that writes from 0 to end of file */
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end = DIV_ROUND_UP(i_size_read(inode), PAGE_CACHE_SIZE);
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if (end != NFS_I(inode)->npages) {
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if (end != inode->i_mapping->nrpages) {
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rcu_read_lock();
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end = page_cache_next_hole(mapping, idx + 1, ULONG_MAX);
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rcu_read_unlock();
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