smash the HEAD with the contents of b_cmd. HEAD_PRE_CMD_SMASH and

[fs/lustre-release.git] / lustre / kernel_patches / patches / dev_read_only-2.6-suse.patch

diff --git a/lustre/kernel_patches/patches/dev_read_only-2.6-suse.patch b/lustre/kernel_patches/patches/dev_read_only-2.6-suse.patch
deleted file mode 100644 (file)
index 9639f28..0000000
--- a/lustre/kernel_patches/patches/dev_read_only-2.6-suse.patch
+++ /dev/null
@@ -1,81 +0,0 @@
- drivers/block/ll_rw_blk.c |   49 ++++++++++++++++++++++++++++++++++++++++++++++
- include/linux/blkdev.h    |    1 
- 2 files changed, 50 insertions(+)
-
-Index: linux-2.6.0/drivers/block/ll_rw_blk.c
-===================================================================
---- linux-2.6.0.orig/drivers/block/ll_rw_blk.c 2004-01-04 15:27:35.000000000 +0300
-+++ linux-2.6.0/drivers/block/ll_rw_blk.c      2004-01-07 17:35:57.000000000 +0300
-@@ -2298,6 +2298,13 @@
-               if (test_bit(QUEUE_FLAG_DEAD, &q->queue_flags))
-                       goto end_io;
- 
-+              /* this is cfs's dev_rdonly check */
-+              if (bio->bi_rw == WRITE &&
-+                              dev_check_rdonly(bio->bi_bdev->bd_dev)) {
-+                      bio_endio(bio, bio->bi_size, 0);
-+                      break;
-+              }
-+
-               /*
-                * If this device has partitions, remap block n
-                * of partition p to block n+start(p) of the disk.
-@@ -2805,6 +2812,58 @@
-       *ioc2 = temp;
- }
- 
-+#define MAX_RDONLY_DEVS               16
-+
-+static dev_t rdonly_devs[MAX_RDONLY_DEVS] = {0, };
-+
-+/*
-+ * Debug code for turning block devices "read-only" (will discard writes
-+ * silently).  This is for filesystem crash/recovery testing.
-+ */
-+void dev_set_rdonly(struct block_device *bdev, int no_write)
-+{
-+      if (no_write >= MAX_RDONLY_DEVS) {
-+              printk(KERN_ALERT "%s:%d illegal arg %d (max %d)\n",
-+                              __FILE__, __LINE__, no_write, MAX_RDONLY_DEVS);
-+              return;
-+      }
-+
-+      if (bdev) {
-+              printk(KERN_WARNING "Turning device %s read-only at %d\n",
-+                              bdev->bd_disk ? bdev->bd_disk->disk_name : "?",
-+                              no_write);
-+              rdonly_devs[no_write] = bdev->bd_dev;
-+      }
-+}
-+
-+void dev_clear_rdonly(int no_write)
-+{
-+      if (no_write >= MAX_RDONLY_DEVS) {
-+              printk(KERN_ALERT "%s:%d illegal arg %d (max %d)\n",
-+                              __FILE__, __LINE__, no_write, MAX_RDONLY_DEVS);
-+              return;
-+      }
-+
-+      if (rdonly_devs[no_write] == 0)
-+              return;
-+      
-+      printk(KERN_WARNING "Clearing read-only at %d\n", no_write);
-+      rdonly_devs[no_write] = 0;
-+}
-+
-+int dev_check_rdonly(dev_t dev)
-+{
-+      int i;
-+
-+      for (i = 0; i < MAX_RDONLY_DEVS; i++)
-+              if (rdonly_devs[i] == dev)
-+                      return 1;
-+      return 0;
-+}
-+
-+EXPORT_SYMBOL(dev_set_rdonly);
-+EXPORT_SYMBOL(dev_clear_rdonly);
-+EXPORT_SYMBOL(dev_check_rdonly);
- 
- /*
-  * sysfs parts below