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Commit 7c9f29b1 authored by Jens Axboe's avatar Jens Axboe
Browse files

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: default avatarJens Axboe <jens.axboe@oracle.com>
parent 05e5b136

block/ll_rw_blk.c

+0 −23
Original line number Diff line number Diff line
@@ -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));

}



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 = {

	.attr = {.name = "nr_requests", .mode = S_IRUGO | S_IWUSR },

	.show = queue_requests_show,
@@ -4120,12 +4104,6 @@ static struct queue_sysfs_entry queue_max_hw_sectors_entry = { 
	.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 = {

	.attr = {.name = "scheduler", .mode = S_IRUGO | S_IWUSR },

	.show = elv_iosched_show,
@@ -4137,7 +4115,6 @@ static struct attribute *default_attrs[] = { 
	&queue_ra_entry.attr,

	&queue_max_hw_sectors_entry.attr,

	&queue_max_sectors_entry.attr,

	&queue_max_segments_entry.attr,

	&queue_iosched_entry.attr,

	NULL,

};