From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Hannes Reinecke To: Jens Axboe Cc: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, Damien Le Moal , Hannes Reinecke Subject: [PATCH 1/6] blk-sysfs: Add 'chunk_sectors' to sysfs attributes Date: Tue, 19 Jul 2016 15:20:34 +0200 Message-Id: <1468934439-93579-2-git-send-email-hare@suse.de> In-Reply-To: <1468934439-93579-1-git-send-email-hare@suse.de> References: <1468934439-93579-1-git-send-email-hare@suse.de> Sender: linux-scsi-owner@vger.kernel.org List-ID: The queue limits already have a 'chunk_sectors' setting, so we should be presenting it via sysfs. Signed-off-by: Hannes Reinecke --- block/blk-sysfs.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 9920596..73200b8 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); @@ -438,6 +443,11 @@ 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, @@ -528,6 +538,7 @@ 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, -- 1.8.5.6