Hello.
The attached patch against reiser4progs-1.1.0 allows to print
node plugin without any tricky manipulations:
# debugfs.reiser4 -f /dev/xxx
[...]
Format super block (17):
format: format40
version: 1
magic: ReIsEr40FoRmAt
mkfs id: 0x10eca54c
flushes: 0
blocks: 128000
free blocks: 127970
root block: 23
node plugin: 0x1 (node41)
tail policy: 0x2 (smart)
next oid: 0x10000
file count: 1
tree height: 2
key policy: LARGE
[...]
Thanks,
Edward.
On 01/05/2016 10:45 PM, Edward Shishkin wrote:
On 01/05/2016 02:18 PM, Georgios Tsalikis wrote:
Or at least so it seems. Once i used node=node41 for checksums but
the system showed node40.
Who exactly reports "node40"?
Now i did an fsck with override node=node41 trying to add the feature
in a partition with node40. It reports node40 afterwards. Any clues?
You can specify node=node41 only when formatting a partition.
Different node formats in the same reiser4 volume are not supported.
Conversion of node formats are not implemented. To check the actual
node format, dump the tree with "debugfs.reiser4 -f -t /dev/xxx" and
grep for "NODE". If your nodes are managed by node41 plugin, then
you'll see the field "CSUM=xxxxx".
Thanks,
Edward.
Print node layout plugin id of the format40 super-block.
Signed-off-by: Edward Shishkin <edward.shishkin@xxxxxxxxx>
---
plugin/format/format40/format40_repair.c | 31 ++++++++++++++++++-------------
1 file changed, 18 insertions(+), 13 deletions(-)
--- a/plugin/format/format40/format40_repair.c
+++ b/plugin/format/format40/format40_repair.c
@@ -374,31 +374,33 @@ void format40_print(reiser4_format_ent_t
uint16_t options)
{
format40_super_t *super;
- reiser4_plug_t *plug;
+ reiser4_plug_t *tplug;
+ reiser4_plug_t *nplug;
format40_t *format;
- rid_t pid;
-
+ rid_t tpid;
+ rid_t npid;
+
aal_assert("vpf-246", entity != NULL);
aal_assert("umka-1290", stream != NULL);
format = (format40_t *)entity;
super = &format->super;
- pid = get_sb_policy(super);
+ tpid = get_sb_policy(super);
+ npid = get_sb_node_pid(super);
+
+ if (!(tplug = format40_core->factory_ops.ifind(POLICY_PLUG_TYPE, tpid)))
+ aal_error("Can't find tail policy plugin by its id 0x%x.", tpid);
+
+ if (!(nplug = format40_core->factory_ops.ifind(NODE_PLUG_TYPE, npid)))
+ aal_error("Can't find node plugin by its id 0x%x.", npid);
- if (!(plug = format40_core->factory_ops.ifind(POLICY_PLUG_TYPE, pid))) {
- aal_error("Can't find tail policy plugin by its id 0x%x.", pid);
- }
-
aal_stream_format(stream, "Format super block (%lu):\n",
FORMAT40_BLOCKNR(format->blksize));
- aal_stream_format(stream, "plugin:\t\t%s\n",
+ aal_stream_format(stream, "format:\t\t%s\n",
entity->plug->p.label);
- aal_stream_format(stream, "description:\t%s\n",
- entity->plug->p.desc);
-
aal_stream_format(stream, "version:\t%u\n",
get_sb_version(super));
@@ -420,8 +422,11 @@ void format40_print(reiser4_format_ent_t
aal_stream_format(stream, "root block:\t%llu\n",
get_sb_root_block(super));
+ aal_stream_format(stream, "node plugin:\t0x%x (%s)\n",
+ npid, nplug ? nplug->label: "absent");
+
aal_stream_format(stream, "tail policy:\t0x%x (%s)\n",
- pid, plug ? plug->label: "absent");
+ tpid, tplug ? tplug->label: "absent");
aal_stream_format(stream, "next oid:\t0x%llx\n",
get_sb_oid(super));
