block: default to 0 minimal / optiomal I/O size
commit55459498b226ab3314c463b2d5766f3650949e80
authorChristoph Hellwig <hch@lst.de>
Fri, 23 Jul 2010 07:35:04 +0000 (23 09:35 +0200)
committerKevin Wolf <kwolf@redhat.com>
Mon, 26 Jul 2010 11:39:39 +0000 (26 13:39 +0200)
tree1468fafd4472b78b84481d3f249b914f292f1c05
parent6c6b6ba20a167a89f85606125ee1e10eafef5b33
block: default to 0 minimal / optiomal I/O size

Currently we set them to 512 bytes unless manually specified.  Unforuntaly
some brain-dead partitioning tools create unaligned partitions if they
get low enough optiomal I/O size values, so don't report any at all
unless explicitly set.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
block_int.h