[lvm-devel] master - metadata: add vg_from_config_tree
David Teigland
teigland at sourceware.org
Wed Nov 27 17:20:59 UTC 2019
Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=74ad2cd76f68596c0a718f3a9d951a4c72214691
Commit: 74ad2cd76f68596c0a718f3a9d951a4c72214691
Parent: 13c629fb7840e73a38afb9396cae93ea10955a21
Author: David Teigland <teigland at redhat.com>
AuthorDate: Tue Oct 29 14:31:37 2019 -0500
Committer: David Teigland <teigland at redhat.com>
CommitterDate: Wed Nov 27 11:13:47 2019 -0600
metadata: add vg_from_config_tree
Add cmd/fmt args to import functions so that
they can be used without the fid arg which.
---
lib/format_text/import-export.h | 10 +++++++---
lib/format_text/import.c | 28 +++++++++++++++++++++-------
lib/format_text/import_vsn1.c | 16 ++++++++--------
lib/metadata/metadata.c | 4 ++--
lib/metadata/metadata.h | 6 ++++--
5 files changed, 42 insertions(+), 22 deletions(-)
diff --git a/lib/format_text/import-export.h b/lib/format_text/import-export.h
index 0bfc60b..da76852 100644
--- a/lib/format_text/import-export.h
+++ b/lib/format_text/import-export.h
@@ -47,11 +47,15 @@ enum pv_vg_lv_e {
struct text_vg_version_ops {
int (*check_version) (const struct dm_config_tree * cf);
- struct volume_group *(*read_vg) (struct format_instance * fid,
- const struct dm_config_tree *cf,
- unsigned allow_lvmetad_extensions);
+
+ struct volume_group *(*read_vg) (struct cmd_context *cmd,
+ const struct format_type *fmt,
+ struct format_instance *fid,
+ const struct dm_config_tree *cft);
+
void (*read_desc) (struct dm_pool * mem, const struct dm_config_tree *cf,
time_t *when, char **desc);
+
int (*read_vgsummary) (const struct format_type *fmt,
const struct dm_config_tree *cft,
struct lvmcache_vgsummary *vgsummary);
diff --git a/lib/format_text/import.c b/lib/format_text/import.c
index 79276dd..a4ea98b 100644
--- a/lib/format_text/import.c
+++ b/lib/format_text/import.c
@@ -15,6 +15,7 @@
#include "lib/misc/lib.h"
#include "lib/metadata/metadata.h"
+#include "lib/commands/toolcontext.h"
#include "import-export.h"
/* FIXME Use tidier inclusion method */
@@ -181,7 +182,7 @@ struct volume_group *text_read_metadata(struct format_instance *fid,
if (!(*vsn)->check_version(cft))
continue;
- if (!(vg = (*vsn)->read_vg(fid, cft, 0)))
+ if (!(vg = (*vsn)->read_vg(fid->fmt->cmd, fid->fmt, fid, cft)))
goto_out;
(*vsn)->read_desc(vg->vgmem, cft, when, desc);
@@ -210,9 +211,9 @@ struct volume_group *text_read_metadata_file(struct format_instance *fid,
when, desc);
}
-static struct volume_group *_import_vg_from_config_tree(const struct dm_config_tree *cft,
+static struct volume_group *_import_vg_from_config_tree(struct cmd_context *cmd,
struct format_instance *fid,
- unsigned allow_lvmetad_extensions)
+ const struct dm_config_tree *cft)
{
struct volume_group *vg = NULL;
struct text_vg_version_ops **vsn;
@@ -227,7 +228,7 @@ static struct volume_group *_import_vg_from_config_tree(const struct dm_config_t
* The only path to this point uses cached vgmetadata,
* so it can use cached PV state too.
*/
- if (!(vg = (*vsn)->read_vg(fid, cft, allow_lvmetad_extensions)))
+ if (!(vg = (*vsn)->read_vg(cmd, fid->fmt, fid, cft)))
stack;
else {
set_pv_devices(fid, vg, NULL);
@@ -243,8 +244,21 @@ static struct volume_group *_import_vg_from_config_tree(const struct dm_config_t
return vg;
}
-struct volume_group *import_vg_from_config_tree(const struct dm_config_tree *cft,
- struct format_instance *fid)
+struct volume_group *import_vg_from_config_tree(struct cmd_context *cmd,
+ struct format_instance *fid,
+ const struct dm_config_tree *cft)
{
- return _import_vg_from_config_tree(cft, fid, 0);
+ return _import_vg_from_config_tree(cmd, fid, cft);
}
+
+struct volume_group *vg_from_config_tree(struct cmd_context *cmd, const struct dm_config_tree *cft)
+{
+ static struct text_vg_version_ops *ops;
+
+ _init_text_import();
+
+ ops = _text_vsn_list[0];
+
+ return ops->read_vg(cmd, cmd->fmt, NULL, cft);
+}
+
diff --git a/lib/format_text/import_vsn1.c b/lib/format_text/import_vsn1.c
index d7ff786..2bdbfee 100644
--- a/lib/format_text/import_vsn1.c
+++ b/lib/format_text/import_vsn1.c
@@ -993,7 +993,7 @@ static int _read_lvsegs(struct cmd_context *cmd,
}
static int _read_sections(struct cmd_context *cmd,
- struct format_type *fmt,
+ const struct format_type *fmt,
struct format_instance *fid,
struct dm_pool *mem,
const char *section, section_fn fn,
@@ -1016,19 +1016,18 @@ static int _read_sections(struct cmd_context *cmd,
}
for (n = n->child; n; n = n->sib) {
- if (!fn(cmd, fmt, fid, mem, vg, vgsummary, n, vgn, pv_hash, lv_hash))
+ if (!fn(cmd, (struct format_type *)fmt, fid, mem, vg, vgsummary, n, vgn, pv_hash, lv_hash))
return_0;
}
return 1;
}
-static struct volume_group *_read_vg(struct format_instance *fid,
- const struct dm_config_tree *cft,
- unsigned allow_lvmetad_extensions)
+static struct volume_group *_read_vg(struct cmd_context *cmd,
+ const struct format_type *fmt,
+ struct format_instance *fid,
+ const struct dm_config_tree *cft)
{
- struct cmd_context *cmd = fid->fmt->cmd;
- struct format_type *fmt = (struct format_type *)fid->fmt;
struct dm_pool *mem;
const struct dm_config_node *vgn;
const struct dm_config_value *cv;
@@ -1234,7 +1233,8 @@ static struct volume_group *_read_vg(struct format_instance *fid,
dm_hash_destroy(pv_hash);
dm_hash_destroy(lv_hash);
- vg_set_fid(vg, fid);
+ if (fid)
+ vg_set_fid(vg, fid);
/*
* Finished.
diff --git a/lib/metadata/metadata.c b/lib/metadata/metadata.c
index b12db60..1371b97 100644
--- a/lib/metadata/metadata.c
+++ b/lib/metadata/metadata.c
@@ -999,7 +999,7 @@ static int _vg_update_embedded_copy(struct volume_group *vg, struct volume_group
if (!(cft = export_vg_to_config_tree(vg)))
return_0;
- if (!(*vg_embedded = import_vg_from_config_tree(cft, vg->fid))) {
+ if (!(*vg_embedded = import_vg_from_config_tree(vg->cmd, vg->fid, cft))) {
dm_config_destroy(cft);
return_0;
}
@@ -5220,7 +5220,7 @@ struct volume_group *vg_read(struct cmd_context *cmd, const char *vg_name, const
goto out;
}
- if (!(vg->vg_committed = import_vg_from_config_tree(cft, vg->fid)))
+ if (!(vg->vg_committed = import_vg_from_config_tree(cmd, vg->fid, cft)))
log_warn("WARNING: vg_read no vg copy: copy import failed");
dm_config_destroy(cft);
diff --git a/lib/metadata/metadata.h b/lib/metadata/metadata.h
index 377a063..f199fc4 100644
--- a/lib/metadata/metadata.h
+++ b/lib/metadata/metadata.h
@@ -477,8 +477,10 @@ void lv_calculate_readahead(const struct logical_volume *lv, uint32_t *read_ahea
* For internal metadata caching.
*/
struct dm_config_tree *export_vg_to_config_tree(struct volume_group *vg);
-struct volume_group *import_vg_from_config_tree(const struct dm_config_tree *cft,
- struct format_instance *fid);
+struct volume_group *import_vg_from_config_tree(struct cmd_context *cmd,
+ struct format_instance *fid,
+ const struct dm_config_tree *cft);
+struct volume_group *vg_from_config_tree(struct cmd_context *cmd, const struct dm_config_tree *cft);
/*
* Mirroring functions
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