From 55459498b226ab3314c463b2d5766f3650949e80 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 23 Jul 2010 09:35:04 +0200 Subject: [PATCH] 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 Signed-off-by: Kevin Wolf --- block_int.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block_int.h b/block_int.h index 96ff4cf1bc..f075a8cba5 100644 --- a/block_int.h +++ b/block_int.h @@ -243,7 +243,7 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf) _conf.logical_block_size, 512), \ DEFINE_PROP_UINT16("physical_block_size", _state, \ _conf.physical_block_size, 512), \ - DEFINE_PROP_UINT16("min_io_size", _state, _conf.min_io_size, 512), \ - DEFINE_PROP_UINT32("opt_io_size", _state, _conf.opt_io_size, 512) + DEFINE_PROP_UINT16("min_io_size", _state, _conf.min_io_size, 0), \ + DEFINE_PROP_UINT32("opt_io_size", _state, _conf.opt_io_size, 0) #endif /* BLOCK_INT_H */