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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 20:00:32 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 20:00:32 -0400 |
commit | e9dd2b6837e26fe202708cce5ea4bb4ee3e3482e (patch) | |
tree | f42fd892495bfc4cbb740d06b016d267c9c42d00 /block/blk-map.c | |
parent | 4f3a29dadaf999a273f1e7fe2476595d0283eef3 (diff) | |
parent | b4627321e18582dcbdeb45d77df29d3177107c65 (diff) |
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.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block/blk-map.c b/block/blk-map.c index ade0a08c9099..d4a586d8691e 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 |