Cluster Project branch, RHEL4, updated. gfs-kernel_2_6_9_76-29-gaac75cb

Cluster Project branch, RHEL4, updated. gfs-kernel_2_6_9_76-29-gaac75cb

[jbrassow]

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- Log -----------------------------------------------------------------
commit aac75cba36115a59a489c0b1a52be5259f54fb87
Author: Jonathan Brassow <jbrassow@redhat.com>
Date:   Tue Apr 8 11:30:38 2008 -0500

    dm-cmirror.ko:  Part of the fix for bug 193067 (cluster pvmove)
    
    Allow mirror log to be created without the 'block_on_error'
    flag.

-----------------------------------------------------------------------

Summary of changes:
 cmirror-kernel/src/dm-cmirror-client.c |   26 +++++++++++++++++---------
 1 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/cmirror-kernel/src/dm-cmirror-client.c b/cmirror-kernel/src/dm-cmirror-client.c
index c644c13..c11cedc 100644
--- a/cmirror-kernel/src/dm-cmirror-client.c
+++ b/cmirror-kernel/src/dm-cmirror-client.c
@@ -574,11 +574,13 @@ static int cluster_ctr(struct dirty_log *log, struct dm_target *ti,
 
 	lc = log->context;
 
+	/* Pull this out to support pvmove
 	if (lc->failure_response != FR_BLOCK) {
 		DMERR("Clustered mirror requires \"block_on_error\" parameter");
 		error = -EINVAL;
 		goto fail;
 	}
+	*/
 
 	atomic_set(&lc->in_sync, -1);
 	lc->uuid_ref = 1;
@@ -663,7 +665,7 @@ static int cluster_ctr(struct dirty_log *log, struct dm_target *ti,
  * clustered_core log constructor
  * (preceding args::  <start> <len> mirror clustered_core <log_args>
  *
- * Right now, 3 <= argc <= 4.  "block_on_error" is required.
+ * Right now, 2 <= argc <= 4.
  *
  * argv contains:
  *   <region_size> <uuid> [[no]sync] [block_on_error]
@@ -671,9 +673,9 @@ static int cluster_ctr(struct dirty_log *log, struct dm_target *ti,
 static int cluster_core_ctr(struct dirty_log *log, struct dm_target *ti,
 		       unsigned int argc, char **argv) {
 	int i;
-	if ((argc < 3) || (argc > 4)) {
+	if ((argc < 2) || (argc > 4)) {
 		DMERR("Too %s arguments to clustered_core mirror log type.",
-		      (argc < 3) ? "few" : "many");
+		      (argc < 2) ? "few" : "many");
 		DMERR("  %d arguments supplied:", argc);
 		for (i = 0; i < argc; i++)
 			DMERR("    %s", argv[i]);
@@ -687,7 +689,7 @@ static int cluster_core_ctr(struct dirty_log *log, struct dm_target *ti,
  * clustered_disk log constructor
  * (preceding args::  <start> <len> mirror clustered_disk <log_args>
  *
- * Right now, 4 <= argc <= 5.  "block_on_error" is required.
+ * Right now, 3 <= argc <= 5.
  *
  * argv contains:
  *   <disk> <region_size> <uuid> [[no]sync] [block_on_error]
@@ -695,9 +697,9 @@ static int cluster_core_ctr(struct dirty_log *log, struct dm_target *ti,
 static int cluster_disk_ctr(struct dirty_log *log, struct dm_target *ti,
 		       unsigned int argc, char **argv) {
 	int i;
-	if ((argc < 4) || (argc > 5)) {
+	if ((argc < 3) || (argc > 5)) {
 		DMERR("Too %s arguments to clustered_disk mirror log type.",
-		      (argc < 4) ? "few" : "many");
+		      (argc < 3) ? "few" : "many");
 		DMERR("  %d arguments supplied:", argc);
 		for (i = 0; i < argc; i++)
 			DMERR("    %s", argv[i]);
@@ -981,7 +983,8 @@ fail:
 	if (r) {
 		DMERR("Log flush failure: %d%s", r,
 		      (r == -EIO) ? " -EIO" : "");
-		dm_table_event(lc->ti->table);
+		if (lc->failure_response == FR_BLOCK)
+			dm_table_event(lc->ti->table);
 		lc->log_dev_failed = 1;
 	}
 
@@ -1213,7 +1216,7 @@ static int cluster_status(struct dirty_log *log, status_type_t status,
 			  char *result, unsigned int maxlen)
 {
 	int sz = 0;
-	int arg_count=3;
+	int arg_count=2;
 	struct log_c *lc = (struct log_c *) log->context;
 
 	switch(status){
@@ -1275,6 +1278,9 @@ static int cluster_status(struct dirty_log *log, status_type_t status,
 		if(lc->sync != DEFAULTSYNC)
 			arg_count++;
 
+		if (lc->failure_response == FR_BLOCK)
+			arg_count++;
+
 		if (lc->log_dev) {
 			arg_count++;
 
@@ -1293,7 +1299,9 @@ static int cluster_status(struct dirty_log *log, status_type_t status,
 		}
 		if (lc->sync != DEFAULTSYNC)
 			DMEMIT("%ssync ", lc->sync == NOSYNC ? "no" : "");
-		DMEMIT("block_on_error ");
+
+		if (lc->failure_response == FR_BLOCK)
+			DMEMIT("block_on_error ");
         }
 
 	return sz;


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