patch-2.0.35 linux/include/linux/blk.h

• Lines: 37
• Date: Mon Jul 13 13:47:38 1998
• Orig file: v2.0.34/linux/include/linux/blk.h
• Orig date: Wed Oct 15 15:22:13 1997

diff -u --recursive --new-file v2.0.34/linux/include/linux/blk.h linux/include/linux/blk.h
@@ -3,7 +3,9 @@
 
 #include <linux/blkdev.h>
 #include <linux/locks.h>
+#include <linux/malloc.h>
 #include <linux/config.h>
+#include <linux/md.h>
 
 /*
  * NR_REQUEST is the number of entries in the request-queue.
@@ -400,8 +402,24 @@
 	if ((bh = req->bh) != NULL) {
 		req->bh = bh->b_reqnext;
 		bh->b_reqnext = NULL;
-		mark_buffer_uptodate(bh, uptodate);
-		unlock_buffer(bh);
+ 
+ 		/*
+ 		 * This is our 'MD IO has finished' event handler.
+ 		 * note that b_state should be cached in a register
+ 		 * anyways, so the overhead if this checking is almost 
+ 		 * zero. But anyways .. we never get OO for free :)
+ 		 */
+ 		if (test_bit(BH_MD, &bh->b_state)) {
+ 			struct md_personality * pers=(struct md_personality *)bh->personality;
+ 			pers->end_request(bh,uptodate);
+ 		}
+ 		/*
+ 		 * the normal (nonmirrored and no RAID5) case:
+ 		 */
+ 		else {
+ 			mark_buffer_uptodate(bh, uptodate);
+ 			unlock_buffer(bh);
+ 		}
 		if ((bh = req->bh) != NULL) {
 			req->current_nr_sectors = bh->b_size >> 9;
 			if (req->nr_sectors < req->current_nr_sectors) {