On Mon, Sep 26, 2016 at 6:14 AM, Damien Le Moal <[email protected]> wrote: > From: Hannes Reinecke <[email protected]> > > The queue limits already have a 'chunk_sectors' setting, so > we should be presenting it via sysfs. > > Signed-off-by: Hannes Reinecke <[email protected]> > Signed-off-by: Damien Le Moal <[email protected]> > --- > block/blk-sysfs.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c > index ff9cd9c..488c2e2 100644 > --- a/block/blk-sysfs.c > +++ b/block/blk-sysfs.c > @@ -130,6 +130,11 @@ static ssize_t queue_physical_block_size_show(struct > request_queue *q, char *pag > return queue_var_show(queue_physical_block_size(q), page); > } > > +static ssize_t queue_chunk_sectors_show(struct request_queue *q, char *page) > +{ > + return queue_var_show(q->limits.chunk_sectors, page); > +} > + > static ssize_t queue_io_min_show(struct request_queue *q, char *page) > { > return queue_var_show(queue_io_min(q), page); > @@ -455,6 +460,11 @@ static struct queue_sysfs_entry > queue_physical_block_size_entry = { > .show = queue_physical_block_size_show, > }; > > +static struct queue_sysfs_entry queue_chunk_sectors_entry = { > + .attr = {.name = "chunk_sectors", .mode = S_IRUGO }, > + .show = queue_chunk_sectors_show, > +}; > + > static struct queue_sysfs_entry queue_io_min_entry = { > .attr = {.name = "minimum_io_size", .mode = S_IRUGO }, > .show = queue_io_min_show, > @@ -555,6 +565,7 @@ static struct attribute *default_attrs[] = { > &queue_hw_sector_size_entry.attr, > &queue_logical_block_size_entry.attr, > &queue_physical_block_size_entry.attr, > + &queue_chunk_sectors_entry.attr, > &queue_io_min_entry.attr, > &queue_io_opt_entry.attr, > &queue_discard_granularity_entry.attr, > -- > 2.7.4
Reviewed-by: Shaun Tancheff <[email protected]> Tested-by: Shaun Tancheff <[email protected]> > -- > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Shaun Tancheff -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
