[PATCH] 2.5.19 : drivers/mtd/nftlcore.c

From: Frank Davis (fdavis@si.rr.com)
Date: Thu May 30 2002 - 18:52:11 EST


Hello all,
  The following patch addresses a few compile warnings and an error (for
blk_init_queue) . Please review. The only thing I don't particularly like
is casting req->cmd to an int for WRITE .

Regards,
Frank

--- drivers/mtd/nftlcore.c.old Thu May 30 19:08:35 2002
+++ drivers/mtd/nftlcore.c Thu May 30 19:44:59 2002
@@ -846,11 +846,11 @@
                 
                 /* We can do this because the generic code knows not to
                    touch the request at the head of the queue */
- spin_unlock_irq(&QUEUE->queue_lock);
+ spin_unlock_irq(QUEUE->queue_lock);
 
                 DEBUG(MTD_DEBUG_LEVEL2, "NFTL_request\n");
                 DEBUG(MTD_DEBUG_LEVEL3,
- "NFTL %s request, from sector 0x%04lx for 0x%04lx sectors\n",
+ "NFTL %s request, from sector 0x%04lx for %d sectors\n",
                       (req->cmd == READ) ? "Read " : "Write",
                       req->sector, req->current_nr_sectors);
 
@@ -899,7 +899,7 @@
                         DEBUG(MTD_DEBUG_LEVEL2,"NFTL read request completed OK\n");
                         up(&nftl->mutex);
                         goto repeat;
- } else if (req->cmd == WRITE) {
+ } else if ((int)req->cmd == WRITE) {
                         DEBUG(MTD_DEBUG_LEVEL2, "NFTL write request of 0x%x sectors @ %x "
                               "(req->nr_sectors == %lx)\n", nsect, block,
                               req->nr_sectors);
@@ -927,7 +927,7 @@
                 }
         repeat:
                 DEBUG(MTD_DEBUG_LEVEL3, "end_request(%d)\n", res);
- spin_lock_irq(&QUEUE->queue_lock);
+ spin_lock_irq(QUEUE->queue_lock);
                 end_request(res);
         }
 }
@@ -1015,10 +1015,11 @@
 };
 
 extern char nftlmountrev[];
+static spinlock_t nftl_lock = SPIN_LOCK_UNLOCKED;
 
 int __init init_nftl(void)
 {
- int i;
+spin_lock_init(&nftl_lock);
 
 #ifdef PRERELEASE
         printk(KERN_INFO "NFTL driver: nftlcore.c $Revision: 1.82 $, nftlmount.c %s\n", nftlmountrev);
@@ -1028,7 +1029,7 @@
                 printk("unable to register NFTL block device on major %d\n", MAJOR_NR);
                 return -EBUSY;
         } else {
- blk_init_queue(BLK_DEFAULT_QUEUE(MAJOR_NR), &nftl_request);
+ blk_init_queue(BLK_DEFAULT_QUEUE(MAJOR_NR), &nftl_request, &nftl_lock);
                 add_gendisk(&nftl_gendisk);
         }
         
 

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