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From: agk@sourceware.org
To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org
Subject: LVM2 ./WHATS_NEW_DM tools/dmsetup.c
Date: Wed, 03 Jun 2009 20:44:00 -0000 [thread overview]
Message-ID: <20090603204453.19665.qmail@sourceware.org> (raw)
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: agk@sourceware.org 2009-06-03 20:44:50
Modified files:
. : WHATS_NEW_DM
tools : dmsetup.c
Log message:
Add splitname.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW_DM.diff?cvsroot=lvm2&r1=1.271&r2=1.272
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/tools/dmsetup.c.diff?cvsroot=lvm2&r1=1.115&r2=1.116
--- LVM2/WHATS_NEW_DM 2009/06/03 18:35:39 1.271
+++ LVM2/WHATS_NEW_DM 2009/06/03 20:44:42 1.272
@@ -1,5 +1,6 @@
Version 1.02.33 -
===============================
+ Add splitname command to dmsetup.
Add subsystem, vg_name, lv_name, lv_layer fields to dmsetup reports.
Make mempool optional in dm_split_lvm_name().
--- LVM2/tools/dmsetup.c 2009/06/03 18:35:39 1.115
+++ LVM2/tools/dmsetup.c 2009/06/03 20:44:49 1.116
@@ -303,14 +303,14 @@
return NULL;
}
-static char *_extract_uuid_prefix(const char *uuid)
+static char *_extract_uuid_prefix(const char *uuid, const int separator)
{
char *ptr = NULL;
char *uuid_prefix = NULL;
size_t len;
if (uuid)
- ptr = strchr(uuid, '-');
+ ptr = strchr(uuid, separator);
len = ptr ? ptr - uuid : 0;
if (!(uuid_prefix = dm_malloc(len + 1))) {
@@ -324,7 +324,8 @@
return uuid_prefix;
}
-static struct dm_split_name *_get_split_name(const char *uuid, const char *name)
+static struct dm_split_name *_get_split_name(const char *uuid, const char *name,
+ int separator)
{
struct dm_split_name *split_name;
@@ -334,7 +335,7 @@
return NULL;
}
- split_name->subsystem = _extract_uuid_prefix(uuid);
+ split_name->subsystem = _extract_uuid_prefix(uuid, separator);
split_name->vg_name = split_name->lv_name =
split_name->lv_layer = (char *) "";
@@ -383,7 +384,7 @@
obj.deps_task = _get_deps_task(info->major, info->minor);
if (_report_type & DR_NAME)
- obj.split_name = _get_split_name(dm_task_get_uuid(dmt), dm_task_get_name(dmt));
+ obj.split_name = _get_split_name(dm_task_get_uuid(dmt), dm_task_get_name(dmt), '-');
if (!dm_report_object(_report, &obj))
goto out;
@@ -721,6 +722,24 @@
return r;
}
+static int _splitname(int argc, char **argv, void *data __attribute((unused)))
+{
+ struct dmsetup_report_obj obj;
+ int r = 1;
+
+ obj.task = NULL;
+ obj.info = NULL;
+ obj.deps_task = NULL;
+ obj.tree_node = NULL;
+ obj.split_name = _get_split_name((argc == 3) ? argv[2] : "LVM",
+ argv[1], '\0');
+
+ r = dm_report_object(_report, &obj);
+ _destroy_split_name(obj.split_name);
+
+ return r;
+}
+
static int _version(int argc __attribute((unused)), char **argv __attribute((unused)), void *data __attribute((unused)))
{
char version[80];
@@ -2090,6 +2109,7 @@
#undef FIELD_F
static const char *default_report_options = "name,major,minor,attr,open,segments,events,uuid";
+static const char *splitname_report_options = "vg_name,lv_name,lv_layer";
static int _report_init(struct command *c)
{
@@ -2102,6 +2122,9 @@
size_t len = 0;
int r = 0;
+ if (!strcmp(c->name, "splitname"))
+ options = (char *) splitname_report_options;
+
/* emulate old dmsetup behaviour */
if (_switches[NOHEADINGS_ARG]) {
separator = ":";
@@ -2241,6 +2264,7 @@
{"targets", "", 0, 0, _targets},
{"version", "", 0, 0, _version},
{"setgeometry", "<device> <cyl> <head> <sect> <start>", 5, 5, _setgeometry},
+ {"splitname", "<device> [<subsystem>]", 1, 2, _splitname},
{NULL, NULL, 0, 0, NULL}
};
@@ -2858,6 +2882,9 @@
goto out;
}
+ if (!_switches[COLS_ARG] && !strcmp(c->name, "splitname"))
+ _switches[COLS_ARG]++;
+
if (_switches[COLS_ARG] && !_report_init(c))
goto out;
next reply other threads:[~2009-06-03 20:44 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-03 20:44 agk [this message]
-- strict thread matches above, loose matches on Subject: below --
2012-04-24 8:24 prajnoha
2012-04-24 8:00 prajnoha
2012-03-01 21:56 zkabelac
2012-02-15 12:08 prajnoha
2012-02-15 12:06 prajnoha
2012-02-15 12:03 prajnoha
2012-02-13 12:06 zkabelac
2011-08-11 17:06 mbroz
2011-07-08 17:08 agk
2011-06-17 14:55 prajnoha
2011-03-29 21:49 zkabelac
2011-03-02 2:44 agk
2010-08-03 13:04 zkabelac
2010-08-03 12:56 zkabelac
2010-07-08 14:29 zkabelac
2009-06-03 18:35 agk
2009-04-24 11:30 prajnoha
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