aboutsummaryrefslogtreecommitdiffstats
path: root/block/ll_rw_blk.c
diff options
context:
space:
mode:
Diffstat (limited to 'block/ll_rw_blk.c')
-rw-r--r--block/ll_rw_blk.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index d875673e76cd..a83823fcd74f 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -3928,7 +3928,6 @@ queue_max_sectors_store(struct request_queue *q, const char *page, size_t count)
3928 max_hw_sectors_kb = q->max_hw_sectors >> 1, 3928 max_hw_sectors_kb = q->max_hw_sectors >> 1,
3929 page_kb = 1 << (PAGE_CACHE_SHIFT - 10); 3929 page_kb = 1 << (PAGE_CACHE_SHIFT - 10);
3930 ssize_t ret = queue_var_store(&max_sectors_kb, page, count); 3930 ssize_t ret = queue_var_store(&max_sectors_kb, page, count);
3931 int ra_kb;
3932 3931
3933 if (max_sectors_kb > max_hw_sectors_kb || max_sectors_kb < page_kb) 3932 if (max_sectors_kb > max_hw_sectors_kb || max_sectors_kb < page_kb)
3934 return -EINVAL; 3933 return -EINVAL;
@@ -3937,14 +3936,6 @@ queue_max_sectors_store(struct request_queue *q, const char *page, size_t count)
3937 * values synchronously: 3936 * values synchronously:
3938 */ 3937 */
3939 spin_lock_irq(q->queue_lock); 3938 spin_lock_irq(q->queue_lock);
3940 /*
3941 * Trim readahead window as well, if necessary:
3942 */
3943 ra_kb = q->backing_dev_info.ra_pages << (PAGE_CACHE_SHIFT - 10);
3944 if (ra_kb > max_sectors_kb)
3945 q->backing_dev_info.ra_pages =
3946 max_sectors_kb >> (PAGE_CACHE_SHIFT - 10);
3947
3948 q->max_sectors = max_sectors_kb << 1; 3939 q->max_sectors = max_sectors_kb << 1;
3949 spin_unlock_irq(q->queue_lock); 3940 spin_unlock_irq(q->queue_lock);
3950 3941