Message ID | 1331740626-5053-4-git-send-email-stefanha@linux.vnet.ibm.com |
---|---|
State | New |
Headers | show |
Il 14/03/2012 16:57, Stefan Hajnoczi ha scritto: > Nicolae Mogoreanu <mogo@google.com> noticed that I/O requests can lead > to QEMU crashes when the logical_block_size property is smaller than 512 > bytes. > > Using the new "blocksize" property we can properly enforce constraints > on the block size such that QEMU's block layer is able to operate > correctly. > > Reported-by: Nicolae Mogoreanu <mogo@google.com> > Reported-by: Michael Halcrow <mhalcrow@google.com> > Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> > --- > block.h | 8 ++++---- > 1 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/block.h b/block.h > index 415bb17..3df6c30 100644 > --- a/block.h > +++ b/block.h > @@ -437,10 +437,10 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf) > > #define DEFINE_BLOCK_PROPERTIES(_state, _conf) \ > DEFINE_PROP_DRIVE("drive", _state, _conf.bs), \ > - DEFINE_PROP_UINT16("logical_block_size", _state, \ > - _conf.logical_block_size, 512), \ > - DEFINE_PROP_UINT16("physical_block_size", _state, \ > - _conf.physical_block_size, 512), \ > + DEFINE_PROP_BLOCKSIZE("logical_block_size", _state, \ > + _conf.logical_block_size, 512), \ > + DEFINE_PROP_BLOCKSIZE("physical_block_size", _state, \ > + _conf.physical_block_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), \ > DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1), \ Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Paolo
Am 14.03.2012 17:04, schrieb Paolo Bonzini: > Il 14/03/2012 16:57, Stefan Hajnoczi ha scritto: >> Nicolae Mogoreanu <mogo@google.com> noticed that I/O requests can lead >> to QEMU crashes when the logical_block_size property is smaller than 512 >> bytes. >> >> Using the new "blocksize" property we can properly enforce constraints >> on the block size such that QEMU's block layer is able to operate >> correctly. >> >> Reported-by: Nicolae Mogoreanu <mogo@google.com> >> Reported-by: Michael Halcrow <mhalcrow@google.com> >> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> >> --- >> block.h | 8 ++++---- >> 1 files changed, 4 insertions(+), 4 deletions(-) >> >> diff --git a/block.h b/block.h >> index 415bb17..3df6c30 100644 >> --- a/block.h >> +++ b/block.h >> @@ -437,10 +437,10 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf) >> >> #define DEFINE_BLOCK_PROPERTIES(_state, _conf) \ >> DEFINE_PROP_DRIVE("drive", _state, _conf.bs), \ >> - DEFINE_PROP_UINT16("logical_block_size", _state, \ >> - _conf.logical_block_size, 512), \ >> - DEFINE_PROP_UINT16("physical_block_size", _state, \ >> - _conf.physical_block_size, 512), \ >> + DEFINE_PROP_BLOCKSIZE("logical_block_size", _state, \ >> + _conf.logical_block_size, 512), \ >> + DEFINE_PROP_BLOCKSIZE("physical_block_size", _state, \ >> + _conf.physical_block_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), \ >> DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1), \ > > Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Thanks, applied all. Kevin
diff --git a/block.h b/block.h index 415bb17..3df6c30 100644 --- a/block.h +++ b/block.h @@ -437,10 +437,10 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf) #define DEFINE_BLOCK_PROPERTIES(_state, _conf) \ DEFINE_PROP_DRIVE("drive", _state, _conf.bs), \ - DEFINE_PROP_UINT16("logical_block_size", _state, \ - _conf.logical_block_size, 512), \ - DEFINE_PROP_UINT16("physical_block_size", _state, \ - _conf.physical_block_size, 512), \ + DEFINE_PROP_BLOCKSIZE("logical_block_size", _state, \ + _conf.logical_block_size, 512), \ + DEFINE_PROP_BLOCKSIZE("physical_block_size", _state, \ + _conf.physical_block_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), \ DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1), \
Nicolae Mogoreanu <mogo@google.com> noticed that I/O requests can lead to QEMU crashes when the logical_block_size property is smaller than 512 bytes. Using the new "blocksize" property we can properly enforce constraints on the block size such that QEMU's block layer is able to operate correctly. Reported-by: Nicolae Mogoreanu <mogo@google.com> Reported-by: Michael Halcrow <mhalcrow@google.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> --- block.h | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-)