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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-07-26 23:04:59 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-07-26 23:04:59 +0100
commitd9ecdb282c91952796b7542c4f57fd6de6948d7b (patch)
treefd4de7923968afa7d2981fb037e2255fc2cfa1e1 /block
parent4ef584ba84125b67c17b5aded38e7783cd8cdef0 (diff)
parent1d1f8b377c48e5aeddaea52eba74cc0539f088cd (diff)
downloadlinux-d9ecdb282c91952796b7542c4f57fd6de6948d7b.tar.bz2
Merge branch 'for_rmk_13' of git://git.mnementh.co.uk/linux-2.6-im
Diffstat (limited to 'block')
-rw-r--r--block/as-iosched.c3
-rw-r--r--block/blk-map.c8
2 files changed, 3 insertions, 8 deletions
diff --git a/block/as-iosched.c b/block/as-iosched.c
index 9735acb5b4f5..cf4eb0eefbbf 100644
--- a/block/as-iosched.c
+++ b/block/as-iosched.c
@@ -837,8 +837,7 @@ static void as_completed_request(struct request_queue *q, struct request *rq)
WARN_ON(!list_empty(&rq->queuelist));
if (RQ_STATE(rq) != AS_RQ_REMOVED) {
- printk("rq->state %d\n", RQ_STATE(rq));
- WARN_ON(1);
+ WARN(1, "rq->state %d\n", RQ_STATE(rq));
goto out;
}
diff --git a/block/blk-map.c b/block/blk-map.c
index ddd96fb11a7d..af37e4ae62f5 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -269,7 +269,6 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
int reading = rq_data_dir(rq) == READ;
int do_copy = 0;
struct bio *bio;
- unsigned long stack_mask = ~(THREAD_SIZE - 1);
if (len > (q->max_hw_sectors << 9))
return -EINVAL;
@@ -278,11 +277,8 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
kaddr = (unsigned long)kbuf;
alignment = queue_dma_alignment(q) | q->dma_pad_mask;
- do_copy = ((kaddr & alignment) || (len & alignment));
-
- if (!((kaddr & stack_mask) ^
- ((unsigned long)current->stack & stack_mask)))
- do_copy = 1;
+ do_copy = ((kaddr & alignment) || (len & alignment) ||
+ object_is_on_stack(kbuf));
if (do_copy)
bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading);