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Adds 'data_alignment_detection' config option to the devices section of lvm.conf. If your kernel provides topology information in sysfs (linux >= 2.6.31) for the Physical Volume, the start of data area will be aligned on a multiple of the ’minimum_io_size’ or ’optimal_io_size’ exposed in sysfs. minimum_io_size is used if optimal_io_size is undefined (0). If both md_chunk_alignment and data_alignment_detection are enabled the result of data_alignment_detection is used. Signed-off-by: Mike Snitzer <snitzer@redhat.com> |
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config.c | ||
config.h | ||
defaults.h |