From 52758e3c5d96a22aa1eb41919f0c3842937130db Mon Sep 17 00:00:00 2001
From: nathan <nathan>
Date: Fri, 8 Apr 2005 18:18:52 +0000
Subject: [PATCH] Branch b1_4 b=4834 unused in series files

---
 .../patches/dev_read_only_hp_2.4.19-suse.patch     | 77 ----------------------
 1 file changed, 77 deletions(-)
 delete mode 100644 lustre/kernel_patches/patches/dev_read_only_hp_2.4.19-suse.patch

diff --git a/lustre/kernel_patches/patches/dev_read_only_hp_2.4.19-suse.patch b/lustre/kernel_patches/patches/dev_read_only_hp_2.4.19-suse.patch
deleted file mode 100644
index f3de3c3..0000000
--- a/lustre/kernel_patches/patches/dev_read_only_hp_2.4.19-suse.patch
+++ /dev/null
@@ -1,77 +0,0 @@
- drivers/block/blkpg.c  |   36 ++++++++++++++++++++++++++++++++++++
- drivers/block/loop.c   |    3 +++
- drivers/ide/ide-disk.c |    4 ++++
- 3 files changed, 43 insertions(+)
-
-Index: linux-2.4.19.SuSE/drivers/block/blkpg.c
-===================================================================
---- linux-2.4.19.SuSE.orig/drivers/block/blkpg.c	2004-04-29 16:19:25.000000000 -0700
-+++ linux-2.4.19.SuSE/drivers/block/blkpg.c	2004-04-29 16:35:09.000000000 -0700
-@@ -296,3 +296,38 @@
- }
- 
- EXPORT_SYMBOL(blk_ioctl);
-+
-+
-+#define NUM_DEV_NO_WRITE 16
-+static int dev_no_write[NUM_DEV_NO_WRITE];
-+/*
-+ * Debug code for turning block devices "read-only" (will discard writes
-+ * silently).  This is for filesystem crash/recovery testing.
-+ */
-+void dev_set_rdonly(kdev_t dev, int no_write)
-+{
-+	if (dev) {
-+		printk(KERN_WARNING "Turning device %s read-only\n",
-+		       bdevname(dev));
-+		dev_no_write[no_write] = 0xdead0000 + dev;
-+	}
-+}
-+
-+int dev_check_rdonly(kdev_t dev) {
-+	int i;
-+
-+	for (i = 0; i < NUM_DEV_NO_WRITE; i++) {
-+	if ((dev_no_write[i] & 0xffff0000) == 0xdead0000 &&
-+		dev == (dev_no_write[i] & 0xffff))
-+		return 1;
-+	}
-+	return 0;
-+}
-+
-+void dev_clear_rdonly(int no_write) {
-+	dev_no_write[no_write] = 0;
-+}
-+
-+EXPORT_SYMBOL(dev_set_rdonly);
-+EXPORT_SYMBOL(dev_check_rdonly);
-+EXPORT_SYMBOL(dev_clear_rdonly);
-Index: linux-2.4.19.SuSE/drivers/block/loop.c
-===================================================================
---- linux-2.4.19.SuSE.orig/drivers/block/loop.c	2004-04-29 16:19:25.000000000 -0700
-+++ linux-2.4.19.SuSE/drivers/block/loop.c	2004-04-29 16:32:56.000000000 -0700
-@@ -478,6 +478,9 @@
- 	spin_unlock_irq(&lo->lo_lock);
- 
- 	if (rw == WRITE) {
-+		if (dev_check_rdonly(rbh->b_rdev))
-+			goto err;
-+
- 		if (lo->lo_flags & LO_FLAGS_READ_ONLY)
- 			goto err;
- 	} else if (rw == READA) {
-Index: linux-2.4.19.SuSE/drivers/ide/ide-disk.c
-===================================================================
---- linux-2.4.19.SuSE.orig/drivers/ide/ide-disk.c	2004-04-29 16:18:55.000000000 -0700
-+++ linux-2.4.19.SuSE/drivers/ide/ide-disk.c	2004-04-29 16:32:56.000000000 -0700
-@@ -558,6 +558,10 @@
-  */
- static ide_startstop_t do_rw_disk (ide_drive_t *drive, struct request *rq, unsigned long block)
- {
-+	if (rq->cmd == WRITE && dev_check_rdonly(rq->rq_dev)) {
-+		ide_end_request(1, HWGROUP(drive));
-+		return ide_stopped;
-+	}
- 	if (IDE_CONTROL_REG)
- 		OUT_BYTE(drive->ctl,IDE_CONTROL_REG);
- 
-- 
1.8.3.1