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authorJens Axboe <jens.axboe@oracle.com>2007-11-27 09:23:51 +0100
committerJens Axboe <jens.axboe@oracle.com>2007-11-27 09:23:51 +0100
commit7c9f29b128aab5ac95af553e8d8e0e372647f1d5 (patch)
tree816e62e0ca82f1464f6055d7fc02c44dcfcc7481 /block/ll_rw_blk.c
parent05e5b136459b11cd9559370d5756719e08074fe0 (diff)
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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 563063a808de6b2004d5b8a09ddcb6125481f4b2. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/ll_rw_blk.c')
-rw-r--r--block/ll_rw_blk.c23
1 files changed, 0 insertions, 23 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 3b927be..8b91994 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -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,
};