LVM2/lib/cache lvmcache.c lvmcache.h

LVM2/lib/cache lvmcache.c lvmcache.h

[zkabelac]

CVSROOT:	/cvs/lvm2
Module name:	LVM2
Changes by:	zkabelac@sourceware.org	2010-10-25 13:02:26

Modified files:
	lib/cache      : lvmcache.c lvmcache.h 

Log message:
	Use 'const' struct id *pvid for device_from_pvid()
	
	Update interface for device_from_pvid and use const pointer.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/cache/lvmcache.c.diff?cvsroot=lvm2&r1=1.95&r2=1.96
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/cache/lvmcache.h.diff?cvsroot=lvm2&r1=1.33&r2=1.34

--- LVM2/lib/cache/lvmcache.c	2010/09/30 21:06:51	1.95
+++ LVM2/lib/cache/lvmcache.c	2010/10/25 13:02:26	1.96
@@ -733,7 +733,7 @@
 	return pvids;
 }
 
-struct device *device_from_pvid(struct cmd_context *cmd, struct id *pvid,
+struct device *device_from_pvid(struct cmd_context *cmd, const struct id *pvid,
 				unsigned *scan_done_once)
 {
 	struct label *label;
--- LVM2/lib/cache/lvmcache.h	2010/05/19 11:52:21	1.33
+++ LVM2/lib/cache/lvmcache.h	2010/10/25 13:02:26	1.34
@@ -94,7 +94,7 @@
 struct lvmcache_vginfo *vginfo_from_vgid(const char *vgid);
 struct lvmcache_info *info_from_pvid(const char *pvid, int valid_only);
 const char *vgname_from_vgid(struct dm_pool *mem, const char *vgid);
-struct device *device_from_pvid(struct cmd_context *cmd, struct id *pvid,
+struct device *device_from_pvid(struct cmd_context *cmd, const struct id *pvid,
 				unsigned *scan_done_once);
 const char *pvid_from_devname(struct cmd_context *cmd,
 			      const char *dev_name);

LVM2/lib/cache lvmcache.c lvmcache.h

[wysochanski]

CVSROOT:	/cvs/lvm2
Module name:	LVM2
Changes by:	wysochanski@sourceware.org	2010-05-19 11:52:21

Modified files:
	lib/cache      : lvmcache.c lvmcache.h 

Log message:
	Add lvmcache_vgname_from_pvid().
	
	Add lvmcache function to lookup a vgname from a pvid.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/cache/lvmcache.c.diff?cvsroot=lvm2&r1=1.90&r2=1.91
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/cache/lvmcache.h.diff?cvsroot=lvm2&r1=1.32&r2=1.33

--- LVM2/lib/cache/lvmcache.c	2010/05/19 11:52:07	1.90
+++ LVM2/lib/cache/lvmcache.c	2010/05/19 11:52:21	1.91
@@ -509,6 +509,27 @@
 	return info;
 }
 
+char *lvmcache_vgname_from_pvid(struct cmd_context *cmd, const char *pvid)
+{
+	struct lvmcache_info *info;
+	char *vgname;
+
+	if (!device_from_pvid(cmd, (struct id *)pvid, NULL)) {
+		log_error("Couldn't find device with uuid %s.", pvid);
+		return NULL;
+	}
+
+	info = info_from_pvid(pvid, 0);
+	if (!info)
+		return_NULL;
+
+	if (!(vgname = dm_pool_strdup(cmd->mem, info->vginfo->vgname))) {
+		log_errno(ENOMEM, "vgname allocation failed");
+		return NULL;
+	}
+	return vgname;
+}
+
 static void _rescan_entry(struct lvmcache_info *info)
 {
 	struct label *label;
--- LVM2/lib/cache/lvmcache.h	2010/05/19 11:52:07	1.32
+++ LVM2/lib/cache/lvmcache.h	2010/05/19 11:52:21	1.33
@@ -98,6 +98,7 @@
 				unsigned *scan_done_once);
 const char *pvid_from_devname(struct cmd_context *cmd,
 			      const char *dev_name);
+char *lvmcache_vgname_from_pvid(struct cmd_context *cmd, const char *pvid);
 int vgs_locked(void);
 int vgname_is_locked(const char *vgname);
 

LVM2/lib/cache lvmcache.c lvmcache.h

[wysochanski]

CVSROOT:	/cvs/lvm2
Module name:	LVM2
Changes by:	wysochanski@sourceware.org	2010-05-19 11:52:08

Modified files:
	lib/cache      : lvmcache.c lvmcache.h 

Log message:
	Add pvid_from_devname() lvmcache function.
	
	Add supporting function for mappings from devname -> pvid -> vgname.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/cache/lvmcache.c.diff?cvsroot=lvm2&r1=1.89&r2=1.90
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/cache/lvmcache.h.diff?cvsroot=lvm2&r1=1.31&r2=1.32

--- LVM2/lib/cache/lvmcache.c	2010/05/19 02:08:50	1.89
+++ LVM2/lib/cache/lvmcache.c	2010/05/19 11:52:07	1.90
@@ -757,6 +757,25 @@
 	return NULL;
 }
 
+const char *pvid_from_devname(struct cmd_context *cmd,
+			      const char *devname)
+{
+	struct device *dev;
+	struct label *label;
+
+	if (!(dev = dev_cache_get(devname, cmd->filter))) {
+		log_error("%s: Couldn't find device.  Check your filters?",
+			  devname);
+		return NULL;
+	}
+
+	if (!(label_read(dev, &label, UINT64_C(0))))
+		return NULL;
+
+	return dev->pvid;
+}
+
+
 static int _free_vginfo(struct lvmcache_vginfo *vginfo)
 {
 	struct lvmcache_vginfo *primary_vginfo, *vginfo2;
--- LVM2/lib/cache/lvmcache.h	2010/05/19 02:36:33	1.31
+++ LVM2/lib/cache/lvmcache.h	2010/05/19 11:52:07	1.32
@@ -96,6 +96,8 @@
 const char *vgname_from_vgid(struct dm_pool *mem, const char *vgid);
 struct device *device_from_pvid(struct cmd_context *cmd, struct id *pvid,
 				unsigned *scan_done_once);
+const char *pvid_from_devname(struct cmd_context *cmd,
+			      const char *dev_name);
 int vgs_locked(void);
 int vgname_is_locked(const char *vgname);
 

LVM2/lib/cache lvmcache.c lvmcache.h

[agk]

CVSROOT:	/cvs/lvm2
Module name:	LVM2
Changes by:	agk@sourceware.org	2005-10-27 17:41:41

Modified files:
	lib/cache      : lvmcache.c lvmcache.h 

Log message:
	Export vgname_is_locked

Patches:
http://sources.redhat.com/cgi-bin/cvsweb.cgi/LVM2/lib/cache/lvmcache.c.diff?cvsroot=lvm2&r1=1.10&r2=1.11
http://sources.redhat.com/cgi-bin/cvsweb.cgi/LVM2/lib/cache/lvmcache.h.diff?cvsroot=lvm2&r1=1.5&r2=1.6