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authorJens Axboe <axboe@suse.de>2006-01-17 09:04:32 +0100
committerJens Axboe <axboe@nelson.home.kernel.dk>2006-01-24 10:06:19 +0100
commit2cb2e147a6d20bffd1d6b7a79be7301560f751c3 (patch)
tree7b39f720574829823c9736f84bd51ae15acc330b
parent3ee68c4af3fd7228c1be63254b9f884614f9ebb2 (diff)
downloadop-kernel-dev-2cb2e147a6d20bffd1d6b7a79be7301560f751c3.zip
op-kernel-dev-2cb2e147a6d20bffd1d6b7a79be7301560f751c3.tar.gz
[BLOCK] ll_rw_blk: make max_sectors and max_hw_sectors unsigned ints
IDE lba48 can support full 64k request size, which overflows the max_hw_sectors variable. Signed-off-by: Jens Axboe <axboe@suse.de>
-rw-r--r--block/ll_rw_blk.c2
-rw-r--r--include/linux/blkdev.h6
2 files changed, 4 insertions, 4 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 8e27d0a..5c62507 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -662,7 +662,7 @@ EXPORT_SYMBOL(blk_queue_bounce_limit);
* Enables a low level driver to set an upper limit on the size of
* received requests.
**/
-void blk_queue_max_sectors(request_queue_t *q, unsigned short max_sectors)
+void blk_queue_max_sectors(request_queue_t *q, unsigned int max_sectors)
{
if ((max_sectors << 9) < PAGE_CACHE_SIZE) {
max_sectors = 1 << (PAGE_CACHE_SHIFT - 9);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 02a585f..860e7a4 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -392,8 +392,8 @@ struct request_queue
unsigned int nr_congestion_off;
unsigned int nr_batching;
- unsigned short max_sectors;
- unsigned short max_hw_sectors;
+ unsigned int max_sectors;
+ unsigned int max_hw_sectors;
unsigned short max_phys_segments;
unsigned short max_hw_segments;
unsigned short hardsect_size;
@@ -697,7 +697,7 @@ extern request_queue_t *blk_init_queue(request_fn_proc *, spinlock_t *);
extern void blk_cleanup_queue(request_queue_t *);
extern void blk_queue_make_request(request_queue_t *, make_request_fn *);
extern void blk_queue_bounce_limit(request_queue_t *, u64);
-extern void blk_queue_max_sectors(request_queue_t *, unsigned short);
+extern void blk_queue_max_sectors(request_queue_t *, unsigned int);
extern void blk_queue_max_phys_segments(request_queue_t *, unsigned short);
extern void blk_queue_max_hw_segments(request_queue_t *, unsigned short);
extern void blk_queue_max_segment_size(request_queue_t *, unsigned int);
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