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authorLinus Torvalds2010-10-22 19:00:32 -0500
committerLinus Torvalds2010-10-22 19:00:32 -0500
commite9dd2b6837e26fe202708cce5ea4bb4ee3e3482e (patch)
treef42fd892495bfc4cbb740d06b016d267c9c42d00 /block/blk-map.c
parent4f3a29dadaf999a273f1e7fe2476595d0283eef3 (diff)
parentb4627321e18582dcbdeb45d77df29d3177107c65 (diff)
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Merge branch 'for-2.6.37/core' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.37/core' of git://git.kernel.dk/linux-2.6-block: (39 commits) cfq-iosched: Fix a gcc 4.5 warning and put some comments block: Turn bvec_k{un,}map_irq() into static inline functions block: fix accounting bug on cross partition merges block: Make the integrity mapped property a bio flag block: Fix double free in blk_integrity_unregister block: Ensure physical block size is unsigned int blkio-throttle: Fix possible multiplication overflow in iops calculations blkio-throttle: limit max iops value to UINT_MAX blkio-throttle: There is no need to convert jiffies to milli seconds blkio-throttle: Fix link failure failure on i386 blkio: Recalculate the throttled bio dispatch time upon throttle limit change blkio: Add root group to td->tg_list blkio: deletion of a cgroup was causes oops blkio: Do not export throttle files if CONFIG_BLK_DEV_THROTTLING=n block: set the bounce_pfn to the actual DMA limit rather than to max memory block: revert bad fix for memory hotplug causing bounces Fix compile error in blk-exec.c for !CONFIG_DETECT_HUNG_TASK block: set the bounce_pfn to the actual DMA limit rather than to max memory block: Prevent hang_check firing during long I/O cfq: improve fsync performance for small files ... Fix up trivial conflicts due to __rcu sparse annotation in include/linux/genhd.h
Diffstat (limited to 'block/blk-map.c')
-rw-r--r--block/blk-map.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/block/blk-map.c b/block/blk-map.c
index ade0a08c909..d4a586d8691 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -54,7 +54,7 @@ static int __blk_rq_map_user(struct request_queue *q, struct request *rq,
54 * direct dma. else, set up kernel bounce buffers 54 * direct dma. else, set up kernel bounce buffers
55 */ 55 */
56 uaddr = (unsigned long) ubuf; 56 uaddr = (unsigned long) ubuf;
57 if (blk_rq_aligned(q, ubuf, len) && !map_data) 57 if (blk_rq_aligned(q, uaddr, len) && !map_data)
58 bio = bio_map_user(q, NULL, uaddr, len, reading, gfp_mask); 58 bio = bio_map_user(q, NULL, uaddr, len, reading, gfp_mask);
59 else 59 else
60 bio = bio_copy_user(q, map_data, uaddr, len, reading, gfp_mask); 60 bio = bio_copy_user(q, map_data, uaddr, len, reading, gfp_mask);
@@ -288,6 +288,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
288 unsigned int len, gfp_t gfp_mask) 288 unsigned int len, gfp_t gfp_mask)
289{ 289{
290 int reading = rq_data_dir(rq) == READ; 290 int reading = rq_data_dir(rq) == READ;
291 unsigned long addr = (unsigned long) kbuf;
291 int do_copy = 0; 292 int do_copy = 0;
292 struct bio *bio; 293 struct bio *bio;
293 int ret; 294 int ret;
@@ -297,7 +298,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
297 if (!len || !kbuf) 298 if (!len || !kbuf)
298 return -EINVAL; 299 return -EINVAL;
299 300
300 do_copy = !blk_rq_aligned(q, kbuf, len) || object_is_on_stack(kbuf); 301 do_copy = !blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf);
301 if (do_copy) 302 if (do_copy)
302 bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading); 303 bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading);
303 else 304 else