提交 7c9f29b1 编写于 作者: J Jens Axboe

Revert "ll_rw_blk: temporarily enable max_segments tweaking"

This was a temporary debugging thing for sg chaining testing, revert
it now as it has served its purpose.

This reverts commit 563063a8.
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
上级 05e5b136
...@@ -4080,23 +4080,7 @@ static ssize_t queue_max_hw_sectors_show(struct request_queue *q, char *page) ...@@ -4080,23 +4080,7 @@ static ssize_t queue_max_hw_sectors_show(struct request_queue *q, char *page)
return queue_var_show(max_hw_sectors_kb, (page)); return queue_var_show(max_hw_sectors_kb, (page));
} }
static ssize_t queue_max_segments_show(struct request_queue *q, char *page)
{
return queue_var_show(q->max_phys_segments, page);
}
static ssize_t queue_max_segments_store(struct request_queue *q,
const char *page, size_t count)
{
unsigned long segments;
ssize_t ret = queue_var_store(&segments, page, count);
spin_lock_irq(q->queue_lock);
q->max_phys_segments = segments;
spin_unlock_irq(q->queue_lock);
return ret;
}
static struct queue_sysfs_entry queue_requests_entry = { static struct queue_sysfs_entry queue_requests_entry = {
.attr = {.name = "nr_requests", .mode = S_IRUGO | S_IWUSR }, .attr = {.name = "nr_requests", .mode = S_IRUGO | S_IWUSR },
.show = queue_requests_show, .show = queue_requests_show,
...@@ -4120,12 +4104,6 @@ static struct queue_sysfs_entry queue_max_hw_sectors_entry = { ...@@ -4120,12 +4104,6 @@ static struct queue_sysfs_entry queue_max_hw_sectors_entry = {
.show = queue_max_hw_sectors_show, .show = queue_max_hw_sectors_show,
}; };
static struct queue_sysfs_entry queue_max_segments_entry = {
.attr = {.name = "max_segments", .mode = S_IRUGO | S_IWUSR },
.show = queue_max_segments_show,
.store = queue_max_segments_store,
};
static struct queue_sysfs_entry queue_iosched_entry = { static struct queue_sysfs_entry queue_iosched_entry = {
.attr = {.name = "scheduler", .mode = S_IRUGO | S_IWUSR }, .attr = {.name = "scheduler", .mode = S_IRUGO | S_IWUSR },
.show = elv_iosched_show, .show = elv_iosched_show,
...@@ -4137,7 +4115,6 @@ static struct attribute *default_attrs[] = { ...@@ -4137,7 +4115,6 @@ static struct attribute *default_attrs[] = {
&queue_ra_entry.attr, &queue_ra_entry.attr,
&queue_max_hw_sectors_entry.attr, &queue_max_hw_sectors_entry.attr,
&queue_max_sectors_entry.attr, &queue_max_sectors_entry.attr,
&queue_max_segments_entry.attr,
&queue_iosched_entry.attr, &queue_iosched_entry.attr,
NULL, NULL,
}; };
......
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