[FIX] Re: IDE problem with 2.3.39pre2-2.3.41pre3 on Athlon system

[Alexander Viro]

On Sat, 29 Jan 2000, Alexander Viro wrote:

Oops ;-/ Got the patch mangled by MUA - sorry about that. Normal variant
follows:

--- linux-2.3.41/fs/block_dev.c	Fri Jan 28 21:45:45 2000
+++ linux-bird.bdev/fs/block_dev.c	Sat Jan 29 05:05:02 2000
@@ -573,6 +573,8 @@
 				ret = bdev->bd_op->open(fake_inode, &fake_file);
 			if (!ret)
 				atomic_inc(&bdev->bd_openers);
+			else if (!atomic_read(&bdev->bd_openers))
+				bdev->bd_op = NULL;
 			iput(fake_inode);
 		}
 	}
@@ -593,6 +595,8 @@
 			ret = bdev->bd_op->open(inode,filp);
 		if (!ret)
 			atomic_inc(&bdev->bd_openers);
+		else if (!atomic_read(&bdev->bd_openers))
+			bdev->bd_op = NULL;
 	}	
 	up(&bdev->bd_sem);
 	return ret;


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