From: Petr Rockai <prockai@redhat.com>
To: lvm-devel@redhat.com
Subject: [PATCH 1/14] Move vg_read out of the way, renaming it to vg_read_internal.
Date: Thu, 22 Jan 2009 11:09:57 +0100 [thread overview]
Message-ID: <1232619010-4858-2-git-send-email-prockai@redhat.com> (raw)
In-Reply-To: <1232619010-4858-1-git-send-email-prockai@redhat.com>
Mon Jan 12 17:38:59 CET 2009 Petr Rockai <me@mornfall.net>
* Move vg_read out of the way, renaming it to vg_read_internal.
diff -rN -u -p old-temp.4430/daemons/clvmd/lvm-functions.c new-temp.4430/daemons/clvmd/lvm-functions.c
--- old-temp.4430/daemons/clvmd/lvm-functions.c 2009-01-22 11:02:32.294776955 +0100
+++ new-temp.4430/daemons/clvmd/lvm-functions.c 2009-01-22 11:02:32.322780654 +0100
@@ -711,7 +711,7 @@ void lvm_do_backup(const char *vgname)
DEBUGLOG("Triggering backup of VG metadata for %s. suspended=%d\n", vgname, suspended);
- vg = vg_read(cmd, vgname, NULL /*vgid*/, &consistent);
+ vg = vg_read_internal(cmd, vgname, NULL /*vgid*/, &consistent);
if (vg) {
if (consistent)
check_current_backup(vg);
diff -rN -u -p old-temp.4430/lib/metadata/metadata.c new-temp.4430/lib/metadata/metadata.c
--- old-temp.4430/lib/metadata/metadata.c 2009-01-22 11:02:32.294776955 +0100
+++ new-temp.4430/lib/metadata/metadata.c 2009-01-22 11:02:32.342781520 +0100
@@ -224,8 +224,8 @@ int get_pv_from_vg_by_id(const struct fo
struct pv_list *pvl;
int consistent = 0;
- if (!(vg = vg_read(fmt->cmd, vg_name, vgid, &consistent))) {
- log_error("get_pv_from_vg_by_id: vg_read failed to read VG %s",
+ if (!(vg = vg_read_internal(fmt->cmd, vg_name, vgid, &consistent))) {
+ log_error("get_pv_from_vg_by_id: vg_read_internal failed to read VG %s",
vg_name);
return 0;
}
@@ -503,7 +503,7 @@ struct volume_group *vg_create(struct cm
return_NULL;
/* is this vg name already in use ? */
- if (vg_read(cmd, vg_name, NULL, &consistent)) {
+ if (vg_read_internal(cmd, vg_name, NULL, &consistent)) {
log_err("A volume group called '%s' already exists.", vg_name);
goto bad;
}
@@ -1684,12 +1684,12 @@ int vg_missing_pv_count(const vg_t *vg)
return ret;
}
-/* Caller sets consistent to 1 if it's safe for vg_read to correct
+/* Caller sets consistent to 1 if it's safe for vg_read_internal to correct
* inconsistent metadata on disk (i.e. the VG write lock is held).
* This guarantees only consistent metadata is returned.
* If consistent is 0, caller must check whether consistent == 1 on return
* and take appropriate action if it isn't (e.g. abort; get write lock
- * and call vg_read again).
+ * and call vg_read_internal again).
*
* If precommitted is set, use precommitted metadata if present.
*
@@ -1716,7 +1716,7 @@ static struct volume_group *_vg_read(str
if (is_orphan_vg(vgname)) {
if (use_precommitted) {
- log_error("Internal error: vg_read requires vgname "
+ log_error("Internal error: vg_read_internal requires vgname "
"with pre-commit.");
return NULL;
}
@@ -1974,7 +1974,7 @@ static struct volume_group *_vg_read(str
return correct_vg;
}
-struct volume_group *vg_read(struct cmd_context *cmd, const char *vgname,
+struct volume_group *vg_read_internal(struct cmd_context *cmd, const char *vgname,
const char *vgid, int *consistent)
{
struct volume_group *vg;
@@ -2002,7 +2002,7 @@ struct volume_group *vg_read(struct cmd_
/* This is only called by lv_from_lvid, which is only called from
* activate.c so we know the appropriate VG lock is already held and
- * the vg_read is therefore safe.
+ * the vg_read_internal is therefore safe.
*/
static struct volume_group *_vg_read_by_vgid(struct cmd_context *cmd,
const char *vgid,
@@ -2034,7 +2034,7 @@ static struct volume_group *_vg_read_by_
if (memlock())
return NULL;
- /* FIXME Need a genuine read by ID here - don't vg_read by name! */
+ /* FIXME Need a genuine read by ID here - don't vg_read_internal by name! */
/* FIXME Disabled vgrenames while active for now because we aren't
* allowed to do a full scan here any more. */
@@ -2218,7 +2218,7 @@ static int _get_pvs(struct cmd_context *
stack;
continue;
}
- if (!(vg = vg_read(cmd, vgname, vgid, &consistent))) {
+ if (!(vg = vg_read_internal(cmd, vgname, vgid, &consistent))) {
stack;
continue;
}
@@ -2446,7 +2446,7 @@ vg_t *vg_lock_and_read(struct cmd_contex
return NULL;
}
- if (!(vg = vg_read(cmd, vg_name, vgid, &consistent)) ||
+ if (!(vg = vg_read_internal(cmd, vg_name, vgid, &consistent)) ||
((misc_flags & FAIL_INCONSISTENT) && !consistent)) {
log_error("Volume group \"%s\" not found", vg_name);
unlock_vg(cmd, vg_name);
diff -rN -u -p old-temp.4430/lib/metadata/metadata-exported.h new-temp.4430/lib/metadata/metadata-exported.h
--- old-temp.4430/lib/metadata/metadata-exported.h 2009-01-22 11:02:32.294776955 +0100
+++ new-temp.4430/lib/metadata/metadata-exported.h 2009-01-22 11:02:32.342781520 +0100
@@ -76,7 +76,7 @@ struct pv_segment;
written out in metadata*/
//#define POSTORDER_FLAG 0x02000000U /* Not real flags, reserved for
-//#define POSTORDER_OPEN_FLAG 0x04000000U temporary use inside vg_read. */
+//#define POSTORDER_OPEN_FLAG 0x04000000U temporary use inside vg_read_internal. */
#define LVM_READ 0x00000100U /* LV VG */
#define LVM_WRITE 0x00000200U /* LV VG */
@@ -328,7 +328,7 @@ struct lv_list {
int vg_write(struct volume_group *vg);
int vg_commit(struct volume_group *vg);
int vg_revert(struct volume_group *vg);
-struct volume_group *vg_read(struct cmd_context *cmd, const char *vg_name,
+struct volume_group *vg_read_internal(struct cmd_context *cmd, const char *vg_name,
const char *vgid, int *consistent);
struct physical_volume *pv_read(struct cmd_context *cmd, const char *pv_name,
struct dm_list *mdas, uint64_t *label_sector,
diff -rN -u -p old-temp.4430/lib/metadata/metadata.h new-temp.4430/lib/metadata/metadata.h
--- old-temp.4430/lib/metadata/metadata.h 2009-01-22 11:02:32.286779011 +0100
+++ new-temp.4430/lib/metadata/metadata.h 2009-01-22 11:02:32.342781520 +0100
@@ -79,7 +79,7 @@
// written out in metadata*/
#define POSTORDER_FLAG 0x02000000U /* Not real flags, reserved for */
-#define POSTORDER_OPEN_FLAG 0x04000000U /* temporary use inside vg_read. */
+#define POSTORDER_OPEN_FLAG 0x04000000U /* temporary use inside vg_read_internal. */
//#define LVM_READ 0x00000100U /* LV VG */
//#define LVM_WRITE 0x00000200U /* LV VG */
diff -rN -u -p old-temp.4430/tools/pvdisplay.c new-temp.4430/tools/pvdisplay.c
--- old-temp.4430/tools/pvdisplay.c 2009-01-22 11:02:32.286779011 +0100
+++ new-temp.4430/tools/pvdisplay.c 2009-01-22 11:02:32.382780458 +0100
@@ -37,7 +37,7 @@ static int _pvdisplay_single(struct cmd_
/*
* Replace possibly incomplete PV structure with new one
- * allocated in vg_read() path.
+ * allocated in vg_read_internal() path.
*/
if (!(pvl = find_pv_in_vg(vg, pv_name))) {
log_error("Unable to find \"%s\" in volume group \"%s\"",
diff -rN -u -p old-temp.4430/tools/pvresize.c new-temp.4430/tools/pvresize.c
--- old-temp.4430/tools/pvresize.c 2009-01-22 11:02:32.286779011 +0100
+++ new-temp.4430/tools/pvresize.c 2009-01-22 11:02:32.382780458 +0100
@@ -62,7 +62,7 @@ static int _pv_resize_single(struct cmd_
return 0;
}
- if (!(vg = vg_read(cmd, vg_name, NULL, &consistent))) {
+ if (!(vg = vg_read_internal(cmd, vg_name, NULL, &consistent))) {
unlock_vg(cmd, vg_name);
log_error("Unable to find volume group of \"%s\"",
pv_name);
diff -rN -u -p old-temp.4430/tools/reporter.c new-temp.4430/tools/reporter.c
--- old-temp.4430/tools/reporter.c 2009-01-22 11:02:32.286779011 +0100
+++ new-temp.4430/tools/reporter.c 2009-01-22 11:02:32.382780458 +0100
@@ -136,7 +136,7 @@ static int _pvs_single(struct cmd_contex
/*
* Replace possibly incomplete PV structure with new one
- * allocated in vg_read() path.
+ * allocated in vg_read_internal() path.
*/
if (!(pvl = find_pv_in_vg(vg, pv_dev_name(pv)))) {
log_error("Unable to find \"%s\" in volume group \"%s\"",
diff -rN -u -p old-temp.4430/tools/toollib.c new-temp.4430/tools/toollib.c
--- old-temp.4430/tools/toollib.c 2009-01-22 11:02:32.286779011 +0100
+++ new-temp.4430/tools/toollib.c 2009-01-22 11:02:32.382780458 +0100
@@ -291,7 +291,7 @@ int process_each_lv(struct cmd_context *
consistent = 1;
else
consistent = 0;
- if (!(vg = vg_read(cmd, vgname, NULL, &consistent)) || !consistent) {
+ if (!(vg = vg_read_internal(cmd, vgname, NULL, &consistent)) || !consistent) {
unlock_vg(cmd, vgname);
if (!vg)
log_error("Volume group \"%s\" "
@@ -433,7 +433,7 @@ static int _process_one_vg(struct cmd_co
}
log_verbose("Finding volume group \"%s\"", vg_name);
- if (!(vg = vg_read(cmd, vg_name, vgid, &consistent))) {
+ if (!(vg = vg_read_internal(cmd, vg_name, vgid, &consistent))) {
log_error("Volume group \"%s\" not found", vg_name);
unlock_vg(cmd, vg_name);
return ECMD_FAILED;
@@ -720,7 +720,7 @@ int process_each_pv(struct cmd_context *
log_error("Can't lock %s: skipping", sll->str);
continue;
}
- if (!(vg = vg_read(cmd, sll->str, NULL, &consistent))) {
+ if (!(vg = vg_read_internal(cmd, sll->str, NULL, &consistent))) {
log_error("Volume group \"%s\" not found", sll->str);
unlock_vg(cmd, sll->str);
ret_max = ECMD_FAILED;
@@ -1143,7 +1143,7 @@ struct volume_group *recover_vg(struct c
return NULL;
}
- return vg_read(cmd, vgname, NULL, &consistent);
+ return vg_read_internal(cmd, vgname, NULL, &consistent);
}
int apply_lvname_restrictions(const char *name)
diff -rN -u -p old-temp.4430/tools/vgreduce.c new-temp.4430/tools/vgreduce.c
--- old-temp.4430/tools/vgreduce.c 2009-01-22 11:02:32.282780319 +0100
+++ new-temp.4430/tools/vgreduce.c 2009-01-22 11:02:32.386780408 +0100
@@ -426,7 +426,7 @@ static int _vgreduce_single(struct cmd_c
vg->free_count -= pv_pe_count(pv) - pv_pe_alloc_count(pv);
vg->extent_count -= pv_pe_count(pv);
- if(!(orphan_vg = vg_read(cmd, vg->fid->fmt->orphan_vg_name, NULL, &consistent)) ||
+ if(!(orphan_vg = vg_read_internal(cmd, vg->fid->fmt->orphan_vg_name, NULL, &consistent)) ||
!consistent) {
log_error("Unable to read existing orphan PVs");
unlock_vg(cmd, VG_ORPHANS);
@@ -520,7 +520,7 @@ int vgreduce(struct cmd_context *cmd, in
return ECMD_FAILED;
}
- if ((!(vg = vg_read(cmd, vg_name, NULL, &consistent)) || !consistent)
+ if ((!(vg = vg_read_internal(cmd, vg_name, NULL, &consistent)) || !consistent)
&& !repairing) {
log_error("Volume group \"%s\" doesn't exist", vg_name);
unlock_vg(cmd, vg_name);
@@ -541,7 +541,7 @@ int vgreduce(struct cmd_context *cmd, in
}
consistent = !arg_count(cmd, force_ARG);
- if (!(vg = vg_read(cmd, vg_name, NULL, &consistent))) {
+ if (!(vg = vg_read_internal(cmd, vg_name, NULL, &consistent))) {
log_error("Volume group \"%s\" not found", vg_name);
unlock_vg(cmd, vg_name);
return ECMD_FAILED;
diff -rN -u -p old-temp.4430/tools/vgrename.c new-temp.4430/tools/vgrename.c
--- old-temp.4430/tools/vgrename.c 2009-01-22 11:02:32.282780319 +0100
+++ new-temp.4430/tools/vgrename.c 2009-01-22 11:02:32.386780408 +0100
@@ -75,7 +75,7 @@ static int vg_rename_path(struct cmd_con
return 0;
}
- if (!(vg = vg_read(cmd, vg_name_old, vgid, &consistent)) || !consistent) {
+ if (!(vg = vg_read_internal(cmd, vg_name_old, vgid, &consistent)) || !consistent) {
log_error("Volume group %s %s%s%snot found.", vg_name_old,
vgid ? "(" : "", vgid ? vgid : "", vgid ? ") " : "");
unlock_vg(cmd, vg_name_old);
@@ -107,7 +107,7 @@ static int vg_rename_path(struct cmd_con
}
consistent = 0;
- if ((vg_new = vg_read(cmd, vg_name_new, NULL, &consistent))) {
+ if ((vg_new = vg_read_internal(cmd, vg_name_new, NULL, &consistent))) {
log_error("New volume group \"%s\" already exists",
vg_name_new);
goto error;
diff -rN -u -p old-temp.4430/tools/vgsplit.c new-temp.4430/tools/vgsplit.c
--- old-temp.4430/tools/vgsplit.c 2009-01-22 11:02:32.282780319 +0100
+++ new-temp.4430/tools/vgsplit.c 2009-01-22 11:02:32.386780408 +0100
@@ -334,7 +334,7 @@ int vgsplit(struct cmd_context *cmd, int
}
consistent = 0;
- if ((vg_to = vg_read(cmd, vg_name_to, NULL, &consistent))) {
+ if ((vg_to = vg_read_internal(cmd, vg_name_to, NULL, &consistent))) {
existing_vg = 1;
if (new_vg_option_specified(cmd)) {
log_error("Volume group \"%s\" exists, but new VG "
@@ -451,7 +451,7 @@ int vgsplit(struct cmd_context *cmd, int
*/
consistent = 1;
if (!test_mode() &&
- (!(vg_to = vg_read(cmd, vg_name_to, NULL, &consistent)) ||
+ (!(vg_to = vg_read_internal(cmd, vg_name_to, NULL, &consistent)) ||
!consistent)) {
log_error("Volume group \"%s\" became inconsistent: please "
"fix manually", vg_name_to);
next prev parent reply other threads:[~2009-01-22 10:09 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-22 10:09 [PATCH] Another take on vg_read Petr Rockai
2009-01-22 10:09 ` Petr Rockai [this message]
2009-01-22 10:09 ` [PATCH 2/14] Provide _vg_lock_and_read, a new implementation of lock+vg_read_internal Petr Rockai
2009-01-22 10:09 ` [PATCH 3/14] Properly enforce cluster locking in _vg_lock_and_read Petr Rockai
2009-01-22 10:10 ` [PATCH 4/14] Replace implementation of vg_check_status with a call to _vg_check_status Petr Rockai
2009-01-22 10:10 ` [PATCH 5/14] Implement vg_read and vg_read_for_update Petr Rockai
2009-01-22 10:10 ` [PATCH 6/14] Add vg_read_error and vg_might_exist Petr Rockai
2009-01-22 10:10 ` [PATCH 7/14] Convert the straight instances of vg_lock_and_read to new vg_read(_for_update) Petr Rockai
2009-01-22 10:10 ` [PATCH 8/14] Convert vgreduce to use vg_read_for_update Petr Rockai
2009-01-22 10:10 ` [PATCH 9/14] Convert vgrename to vg_read_for_update Petr Rockai
2009-01-22 10:10 ` [PATCH 10/14] Convert vgsplit to use vg_read_for_update Petr Rockai
2009-01-22 10:10 ` [PATCH 11/14] Rework the toollib interface (process_each_*) on top of new vg_read Petr Rockai
2009-01-22 10:10 ` [PATCH 12/14] Port process_each_pv to " Petr Rockai
2009-01-22 10:10 ` [PATCH 13/14] Remove now-unused vg_lock_and_read Petr Rockai
2009-01-22 10:10 ` [PATCH 14/14] Un-export vg_read_internal Petr Rockai
2009-01-26 16:05 ` Dave Wysochanski
2009-01-22 16:13 ` [PATCH 12/14] Port process_each_pv to new vg_read Dave Wysochanski
2009-01-24 21:45 ` [PATCH updated] Convert vgreduce to use vg_read_for_update Dave Wysochanski
2009-01-24 21:46 ` [PATCH] " Dave Wysochanski
2009-01-25 0:21 ` [PATCH update2] " Dave Wysochanski
2009-01-25 0:21 ` [PATCH] " Dave Wysochanski
2009-01-22 18:17 ` [PATCH 3/14] Properly enforce cluster locking in _vg_lock_and_read Dave Wysochanski
2009-01-22 20:15 ` Petr Rockai
2009-02-06 18:21 ` [PATCH 2/14] Provide _vg_lock_and_read, a new implementation of lock+vg_read_internal Dave Wysochanski
2009-01-22 17:36 ` [PATCH] Another take on vg_read Dave Wysochanski
2009-01-22 17:48 ` Petr Rockai
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