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| author | Jens Axboe <jens.axboe@oracle.com> | 2007-11-27 11:23:51 +0300 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-11-27 11:23:51 +0300 |
| commit | 7c9f29b128aab5ac95af553e8d8e0e372647f1d5 (patch) | |
| tree | 816e62e0ca82f1464f6055d7fc02c44dcfcc7481 /block/ll_rw_blk.c | |
| parent | 05e5b136459b11cd9559370d5756719e08074fe0 (diff) | |
| download | linux-7c9f29b128aab5ac95af553e8d8e0e372647f1d5.tar.xz | |
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.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 3b927be03850..8b919940b2ab 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, }; |