diff options
| author | Christoph Hellwig <hch@lst.de> | 2010-07-23 09:35:04 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2010-07-28 14:04:24 -0500 |
| commit | cc12b5c748b4e192226ebd5570b329afd522424c (patch) | |
| tree | c54fe2e64d12ec2b2d05141420a05d3a9d04fe70 /block_int.h | |
| parent | 50aa457e1d0135f7e336a2157fc5f7ac7dd15589 (diff) | |
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>
(cherry picked from commit 55459498b226ab3314c463b2d5766f3650949e80)
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'block_int.h')
| -rw-r--r-- | block_int.h | 4 |
1 files 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 */ |