From: wangdi <wangdi>
Date: Tue, 27 May 2003 11:15:17 +0000 (+0000)
Subject: rename dev_read_only_hp.patch dev_read_only_2.4.20.patch
X-Git-Tag: v1_7_110~2^11~127
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=9f640aaf938979f3081307ebcda3595f0e62308c;p=fs%2Flustre-release.git

rename dev_read_only_hp.patch dev_read_only_2.4.20.patch
---

diff --git a/lustre/kernel_patches/patches/dev_read_only_hp.patch b/lustre/kernel_patches/patches/dev_read_only_hp.patch
deleted file mode 100644
index 0d3476c..0000000
--- a/lustre/kernel_patches/patches/dev_read_only_hp.patch
+++ /dev/null
@@ -1,77 +0,0 @@
- drivers/block/blkpg.c  |   39 +++++++++++++++++++++++++++++++++++++++
- drivers/block/loop.c   |    3 +++
- drivers/ide/ide-disk.c |    4 ++++
- 3 files changed, 46 insertions(+)
-
---- linux-2.4.20/drivers/block/blkpg.c~dev_read_only_hp	2003-04-09 15:14:54.000000000 -0600
-+++ linux-2.4.20-braam/drivers/block/blkpg.c	2003-04-09 15:37:02.000000000 -0600
-@@ -296,3 +296,42 @@ int blk_ioctl(kdev_t dev, unsigned int c
- }
- 
- 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);
-+
-+
---- linux-2.4.20/drivers/block/loop.c~dev_read_only_hp	2003-04-09 15:14:54.000000000 -0600
-+++ linux-2.4.20-braam/drivers/block/loop.c	2003-04-09 15:37:02.000000000 -0600
-@@ -474,6 +474,9 @@ static int loop_make_request(request_que
- 	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) {
---- linux-2.4.20/drivers/ide/ide-disk.c~dev_read_only_hp	2003-04-09 15:14:54.000000000 -0600
-+++ linux-2.4.20-braam/drivers/ide/ide-disk.c	2003-04-09 15:37:02.000000000 -0600
-@@ -558,6 +558,10 @@ static ide_startstop_t lba_48_rw_disk (i
-  */
- 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);
- 
-
-_