Gitweb:
http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=5e36b86c46f04e...
Commit: 5e36b86c46f04eddae2d4b1f826e1f24995b3636
Parent: 8d5ae472e5226f87175d51722fb5942c531bb8bb
Author: Peter Rajnoha <prajnoha(a)redhat.com>
AuthorDate: Fri Jul 20 15:53:04 2012 +0200
Committer: Peter Rajnoha <prajnoha(a)redhat.com>
CommitterDate: Fri Jul 20 15:53:04 2012 +0200
config: fix one-node dumpconfig, add dm_config_write_one_node
A regression introduced in 2.02.89 (11e520256b3005ed813ce83f8770aaab74edef3f)
caused the lvm dumpconfig <node> to print out
the node as well as its subsequent siblings.
The information about "only_one" mode got lost.
Before this patch (just an example node):
# lvm dumpconfig global/use_lvmetad
use_lvmetad=1
thin_check_executable="/usr/sbin/thin_check"
thin_check_options="-q"
(...all nodes to the end of the section)
With this patch applied:
# lvm dumpconfig global/use_lvmetad
use_lvmetad=1
---
WHATS_NEW | 1 +
WHATS_NEW_DM | 1 +
lib/config/config.c | 2 +-
libdm/libdevmapper.h | 3 +++
libdm/libdm-config.c | 15 +++++++++++++--
5 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/WHATS_NEW b/WHATS_NEW
index 4f23c39..aa26622 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
Version 2.02.97 -
===============================
+ Fix dumpconfig <node> to print only <node> without its siblings (2.02.89).
Do not issue "Failed to handle a client connection" error if lvmetad killed.
Support changing of discard and zeroing for thin pool.
Report used discard for thin pool and volume.
diff --git a/WHATS_NEW_DM b/WHATS_NEW_DM
index 416beca..0bfd016 100644
--- a/WHATS_NEW_DM
+++ b/WHATS_NEW_DM
@@ -1,5 +1,6 @@
Version 1.02.76 -
===============================
+ Add dm_config_write_one_node to libdevmapper.
Add support for thin pool message release/reserve_metadata_snap.
Add support for thin pool discard and external origin.
Add configure --enable-udev-rule-exec-detection to detect exec path in rules.
diff --git a/lib/config/config.c b/lib/config/config.c
index 67a8b04..60ae6c8 100644
--- a/lib/config/config.c
+++ b/lib/config/config.c
@@ -473,7 +473,7 @@ int config_write(struct dm_config_tree *cft, const char *file,
}
} else while (argc--) {
if ((cn = dm_config_find_node(cft->root, *argv))) {
- if (!dm_config_write_node(cn, _putline_fn, fp)) {
+ if (!dm_config_write_one_node(cn, _putline_fn, fp)) {
log_error("Failure while writing to %s", file);
r = 0;
}
diff --git a/libdm/libdevmapper.h b/libdm/libdevmapper.h
index 549a635..02bf421 100644
--- a/libdm/libdevmapper.h
+++ b/libdm/libdevmapper.h
@@ -1488,7 +1488,10 @@ struct dm_config_tree *dm_config_remove_cascaded_tree(struct
dm_config_tree *cft
void dm_config_destroy(struct dm_config_tree *cft);
typedef int (*dm_putline_fn)(const char *line, void *baton);
+/* Write the node and any subsequent siblings it has. */
int dm_config_write_node(const struct dm_config_node *cn, dm_putline_fn putline, void
*baton);
+/* Write given node only without subsequent siblings. */
+int dm_config_write_one_node(const struct dm_config_node *cn, dm_putline_fn putline, void
*baton);
struct dm_config_node *dm_config_find_node(const struct dm_config_node *cn, const char
*path);
int dm_config_has_node(const struct dm_config_node *cn, const char *path);
diff --git a/libdm/libdm-config.c b/libdm/libdm-config.c
index d9d3882..8457497 100644
--- a/libdm/libdm-config.c
+++ b/libdm/libdm-config.c
@@ -331,14 +331,15 @@ static int _write_config(const struct dm_config_node *n, int
only_one,
return 1;
}
-int dm_config_write_node(const struct dm_config_node *cn, dm_putline_fn putline, void
*baton)
+static int _write_node(const struct dm_config_node *cn, int only_one,
+ dm_putline_fn putline, void *baton)
{
struct output_line outline;
if (!(outline.mem = dm_pool_create("config_line", 1024)))
return_0;
outline.putline = putline;
outline.putline_baton = baton;
- if (!_write_config(cn, 0, &outline, 0)) {
+ if (!_write_config(cn, only_one, &outline, 0)) {
dm_pool_destroy(outline.mem);
return_0;
}
@@ -346,6 +347,16 @@ int dm_config_write_node(const struct dm_config_node *cn,
dm_putline_fn putline,
return 1;
}
+int dm_config_write_one_node(const struct dm_config_node *cn, dm_putline_fn putline, void
*baton)
+{
+ return _write_node(cn, 1, putline, baton);
+}
+
+int dm_config_write_node(const struct dm_config_node *cn, dm_putline_fn putline, void
*baton)
+{
+ return _write_node(cn, 0, putline, baton);
+}
+
/*
* parser