Expose hardware sector size
Expose hardware sector size in sysfs queue directory. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>hifive-unleashed-5.1
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7da975a231
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e68b903c6b
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@ -102,6 +102,11 @@ static ssize_t queue_max_sectors_show(struct request_queue *q, char *page)
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return queue_var_show(max_sectors_kb, (page));
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return queue_var_show(max_sectors_kb, (page));
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}
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}
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static ssize_t queue_hw_sector_size_show(struct request_queue *q, char *page)
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{
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return queue_var_show(q->hardsect_size, page);
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}
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static ssize_t
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static ssize_t
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queue_max_sectors_store(struct request_queue *q, const char *page, size_t count)
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queue_max_sectors_store(struct request_queue *q, const char *page, size_t count)
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{
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{
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@ -160,12 +165,18 @@ static struct queue_sysfs_entry queue_iosched_entry = {
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.store = elv_iosched_store,
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.store = elv_iosched_store,
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};
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};
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static struct queue_sysfs_entry queue_hw_sector_size_entry = {
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.attr = {.name = "hw_sector_size", .mode = S_IRUGO },
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.show = queue_hw_sector_size_show,
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};
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static struct attribute *default_attrs[] = {
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static struct attribute *default_attrs[] = {
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&queue_requests_entry.attr,
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&queue_requests_entry.attr,
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&queue_ra_entry.attr,
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&queue_ra_entry.attr,
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&queue_max_hw_sectors_entry.attr,
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&queue_max_hw_sectors_entry.attr,
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&queue_max_sectors_entry.attr,
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&queue_max_sectors_entry.attr,
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&queue_iosched_entry.attr,
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&queue_iosched_entry.attr,
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&queue_hw_sector_size_entry.attr,
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NULL,
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NULL,
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};
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};
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