Btrfs: don't wait for ordered data outside desired range
In btrfs_wait_ordered_range(), if we found an extent to the left of the start of our desired wait range and the last byte of that extent is 1 less than the desired range's start, we would would wait for the IO completion of that extent unnecessarily. Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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@ -803,7 +803,7 @@ int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len)
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btrfs_put_ordered_extent(ordered);
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break;
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}
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if (ordered->file_offset + ordered->len < start) {
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if (ordered->file_offset + ordered->len <= start) {
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btrfs_put_ordered_extent(ordered);
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break;
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}
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