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authorMartin K. Petersen <martin.petersen@oracle.com>2010-02-26 00:20:39 -0500
committerJens Axboe <jens.axboe@oracle.com>2010-02-26 13:58:08 +0100
commit8a78362c4eefc1deddbefe2c7f38aabbc2429d6b (patch)
treec095d95af1aec0f9cee5975b1dcdc6bc1d17d401 /block/blk-core.c
parent086fa5ff0854c676ec333760f4c0154b3b242616 (diff)
downloadlinux-8a78362c4eefc1deddbefe2c7f38aabbc2429d6b.tar.gz
block: Consolidate phys_segment and hw_segment limits
Except for SCSI no device drivers distinguish between physical and
hardware segment limits.  Consolidate the two into a single segment
limit.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/blk-core.c')
-rw-r--r--block/blk-core.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 36c0deebc2dc..9fe174dc74d1 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1614,8 +1614,7 @@ int blk_rq_check_limits(struct request_queue *q, struct request *rq)
 	 * limitation.
 	 */
 	blk_recalc_rq_segments(rq);
-	if (rq->nr_phys_segments > queue_max_phys_segments(q) ||
-	    rq->nr_phys_segments > queue_max_hw_segments(q)) {
+	if (rq->nr_phys_segments > queue_max_segments(q)) {
 		printk(KERN_ERR "%s: over max segments limit.\n", __func__);
 		return -EIO;
 	}