[lvm-devel] [PATCH 06/17] Remove useless mdas parameter from PV read functions.
Peter Rajnoha
prajnoha at redhat.com
Mon Jan 24 11:03:57 UTC 2011
...metadata areas are now stored within pv->fid.
Signed-off-by: Peter Rajnoha <prajnoha at redhat.com>
---
lib/format1/format1.c | 3 +--
lib/format_pool/format_pool.c | 1 -
lib/format_text/format-text.c | 15 +--------------
lib/metadata/metadata-exported.h | 4 ++--
lib/metadata/metadata.c | 37 +++++++++++++------------------------
lib/metadata/metadata.h | 3 +--
tools/pvremove.c | 10 ++++------
tools/pvresize.c | 8 +++-----
tools/toollib.c | 14 ++++++--------
9 files changed, 31 insertions(+), 64 deletions(-)
diff --git a/lib/format1/format1.c b/lib/format1/format1.c
index b79bd56..4f66cdc 100644
--- a/lib/format1/format1.c
+++ b/lib/format1/format1.c
@@ -331,8 +331,7 @@ static int _format1_vg_write(struct format_instance *fid, struct volume_group *v
}
static int _format1_pv_read(const struct format_type *fmt, const char *pv_name,
- struct physical_volume *pv, struct dm_list *mdas __attribute__((unused)),
- int scan_label_only __attribute__((unused)))
+ struct physical_volume *pv, int scan_label_only __attribute__((unused)))
{
struct dm_pool *mem = dm_pool_create("lvm1 pv_read", 1024);
struct disk_list *dl;
diff --git a/lib/format_pool/format_pool.c b/lib/format_pool/format_pool.c
index 3ecbfe9..24ccfc2 100644
--- a/lib/format_pool/format_pool.c
+++ b/lib/format_pool/format_pool.c
@@ -206,7 +206,6 @@ static int _pool_pv_setup(const struct format_type *fmt __attribute__((unused)),
static int _pool_pv_read(const struct format_type *fmt, const char *pv_name,
struct physical_volume *pv,
- struct dm_list *mdas __attribute__((unused)),
int scan_label_only __attribute__((unused)))
{
struct dm_pool *mem = dm_pool_create("pool pv_read", 1024);
diff --git a/lib/format_text/format-text.c b/lib/format_text/format-text.c
index a2f3d74..5dfe0b8 100644
--- a/lib/format_text/format-text.c
+++ b/lib/format_text/format-text.c
@@ -1669,10 +1669,8 @@ static uint64_t _metadata_locn_offset_raw(void *metadata_locn)
}
static int _text_pv_read(const struct format_type *fmt, const char *pv_name,
- struct physical_volume *pv, struct dm_list *mdas,
- int scan_label_only)
+ struct physical_volume *pv, int scan_label_only)
{
- struct metadata_area *mda, *mda_new;
struct label *label;
struct device *dev;
struct lvmcache_info *info;
@@ -1687,17 +1685,6 @@ static int _text_pv_read(const struct format_type *fmt, const char *pv_name,
if (!_populate_pv_fields(info, pv, scan_label_only))
return 0;
- if (!mdas)
- return 1;
-
- /* Add copy of mdas to supplied list */
- dm_list_iterate_items(mda, &info->mdas) {
- mda_new = mda_copy(fmt->cmd->mem, mda);
- if (!mda_new)
- return 0;
- dm_list_add(mdas, &mda_new->list);
- }
-
return 1;
}
diff --git a/lib/metadata/metadata-exported.h b/lib/metadata/metadata-exported.h
index d8247dd..da62764 100644
--- a/lib/metadata/metadata-exported.h
+++ b/lib/metadata/metadata-exported.h
@@ -340,8 +340,8 @@ int vg_revert(struct volume_group *vg);
struct volume_group *vg_read_internal(struct cmd_context *cmd, const char *vg_name,
const char *vgid, int warnings, int *consistent);
struct physical_volume *pv_read(struct cmd_context *cmd, const char *pv_name,
- struct dm_list *mdas, uint64_t *label_sector,
- int warnings, int scan_label_only);
+ uint64_t *label_sector, int warnings,
+ int scan_label_only);
struct dm_list *get_pvs(struct cmd_context *cmd);
/*
diff --git a/lib/metadata/metadata.c b/lib/metadata/metadata.c
index dccc3af..591f7b5 100644
--- a/lib/metadata/metadata.c
+++ b/lib/metadata/metadata.c
@@ -38,7 +38,6 @@ static struct physical_volume *_pv_read(struct cmd_context *cmd,
struct dm_pool *pvmem,
const char *pv_name,
struct format_instance *fid,
- struct dm_list *mdas,
uint64_t *label_sector,
int warnings, int scan_label_only);
@@ -1330,14 +1329,11 @@ static int pvcreate_check(struct cmd_context *cmd, const char *name,
{
struct physical_volume *pv;
struct device *dev;
- struct dm_list mdas;
-
- dm_list_init(&mdas);
/* FIXME Check partition type is LVM unless --force is given */
/* Is there a pv here already? */
- pv = pv_read(cmd, name, &mdas, NULL, 0, 0);
+ pv = pv_read(cmd, name, NULL, 0, 0);
/*
* If a PV has no MDAs it may appear to be an orphan until the
@@ -1345,10 +1341,10 @@ static int pvcreate_check(struct cmd_context *cmd, const char *name,
* this means checking every VG by scanning every PV on the
* system.
*/
- if (pv && is_orphan(pv) && mdas_empty_or_ignored(&mdas)) {
+ if (pv && is_orphan(pv) && !dm_list_size(&pv->fid->metadata_areas_in_use)) {
if (!scan_vgs_for_pvs(cmd, 0))
return_0;
- pv = pv_read(cmd, name, NULL, NULL, 0, 0);
+ pv = pv_read(cmd, name, NULL, 0, 0);
}
/* Allow partial & exported VGs to be destroyed. */
@@ -1811,20 +1807,18 @@ struct physical_volume *find_pv_by_name(struct cmd_context *cmd,
static struct physical_volume *_find_pv_by_name(struct cmd_context *cmd,
const char *pv_name)
{
- struct dm_list mdas;
struct physical_volume *pv;
- dm_list_init(&mdas);
- if (!(pv = _pv_read(cmd, cmd->mem, pv_name, NULL, &mdas, NULL, 1, 0))) {
+ if (!(pv = _pv_read(cmd, cmd->mem, pv_name, NULL, NULL, 1, 0))) {
log_error("Physical volume %s not found", pv_name);
return NULL;
}
- if (is_orphan_vg(pv->vg_name) && mdas_empty_or_ignored(&mdas)) {
+ if (is_orphan_vg(pv->vg_name) && !dm_list_size(&pv->fid->metadata_areas_in_use)) {
/* If a PV has no MDAs - need to search all VGs for it */
if (!scan_vgs_for_pvs(cmd, 1))
return_NULL;
- if (!(pv = _pv_read(cmd, cmd->mem, pv_name, NULL, NULL, NULL, 1, 0))) {
+ if (!(pv = _pv_read(cmd, cmd->mem, pv_name, NULL, NULL, 1, 0))) {
log_error("Physical volume %s not found", pv_name);
return NULL;
}
@@ -2649,8 +2643,8 @@ static struct volume_group *_vg_read_orphans(struct cmd_context *cmd,
}
dm_list_iterate_items(info, &vginfo->infos) {
- if (!(pv = _pv_read(cmd, mem, dev_name(info->dev), vg->fid,
- NULL, NULL, warnings, 0))) {
+ if (!(pv = _pv_read(cmd, mem, dev_name(info->dev),
+ vg->fid, NULL, warnings, 0))) {
continue;
}
if (!(pvl = dm_pool_zalloc(mem, sizeof(*pvl)))) {
@@ -3360,10 +3354,10 @@ const char *find_vgname_from_pvname(struct cmd_context *cmd,
* FIXME - liblvm todo - make into function that returns handle
*/
struct physical_volume *pv_read(struct cmd_context *cmd, const char *pv_name,
- struct dm_list *mdas, uint64_t *label_sector,
- int warnings, int scan_label_only)
+ uint64_t *label_sector, int warnings,
+ int scan_label_only)
{
- return _pv_read(cmd, cmd->mem, pv_name, NULL, mdas, label_sector, warnings, scan_label_only);
+ return _pv_read(cmd, cmd->mem, pv_name, NULL, label_sector, warnings, scan_label_only);
}
/* FIXME Use label functions instead of PV functions */
@@ -3371,7 +3365,6 @@ static struct physical_volume *_pv_read(struct cmd_context *cmd,
struct dm_pool *pvmem,
const char *pv_name,
struct format_instance *fid,
- struct dm_list *mdas,
uint64_t *label_sector,
int warnings, int scan_label_only)
{
@@ -3401,8 +3394,7 @@ static struct physical_volume *_pv_read(struct cmd_context *cmd,
}
/* FIXME Move more common code up here */
- if (!(info->fmt->ops->pv_read(info->fmt, pv_name, pv, mdas,
- scan_label_only))) {
+ if (!(info->fmt->ops->pv_read(info->fmt, pv_name, pv, scan_label_only))) {
log_error("Failed to read existing physical volume '%s'",
pv_name);
goto bad;
@@ -4239,8 +4231,5 @@ char *tags_format_and_copy(struct dm_pool *mem, const struct dm_list *tags)
*/
struct physical_volume *pv_by_path(struct cmd_context *cmd, const char *pv_name)
{
- struct dm_list mdas;
-
- dm_list_init(&mdas);
- return _pv_read(cmd, cmd->mem, pv_name, NULL, &mdas, NULL, 1, 0);
+ return _pv_read(cmd, cmd->mem, pv_name, NULL, NULL, 1, 0);
}
diff --git a/lib/metadata/metadata.h b/lib/metadata/metadata.h
index bd638b5..7ebf85c 100644
--- a/lib/metadata/metadata.h
+++ b/lib/metadata/metadata.h
@@ -241,8 +241,7 @@ struct format_handler {
* Return PV with given path.
*/
int (*pv_read) (const struct format_type * fmt, const char *pv_name,
- struct physical_volume * pv, struct dm_list *mdas,
- int scan_label_only);
+ struct physical_volume * pv, int scan_label_only);
/*
* Tweak an already filled out a pv ready for importing into a
diff --git a/tools/pvremove.c b/tools/pvremove.c
index a8717e0..ace3c1d 100644
--- a/tools/pvremove.c
+++ b/tools/pvremove.c
@@ -25,15 +25,12 @@ const char _really_wipe[] =
static int pvremove_check(struct cmd_context *cmd, const char *name)
{
struct physical_volume *pv;
- struct dm_list mdas;
-
- dm_list_init(&mdas);
/* FIXME Check partition type is LVM unless --force is given */
/* Is there a pv here already? */
/* If not, this is an error unless you used -f. */
- if (!(pv = pv_read(cmd, name, &mdas, NULL, 1, 0))) {
+ if (!(pv = pv_read(cmd, name, NULL, 1, 0))) {
if (arg_count(cmd, force_ARG))
return 1;
log_error("Physical Volume %s not found", name);
@@ -47,13 +44,14 @@ static int pvremove_check(struct cmd_context *cmd, const char *name)
* means checking every VG by scanning every
* PV on the system.
*/
- if (is_orphan(pv) && !dm_list_size(&mdas)) {
+ if (is_orphan(pv) && !dm_list_size(&pv->fid->metadata_areas_in_use) &&
+ !dm_list_size(&pv->fid->metadata_areas_ignored)) {
if (!scan_vgs_for_pvs(cmd, 0)) {
log_error("Rescan for PVs without metadata areas "
"failed.");
return 0;
}
- if (!(pv = pv_read(cmd, name, NULL, NULL, 1, 0))) {
+ if (!(pv = pv_read(cmd, name, NULL, 1, 0))) {
log_error("Failed to read physical volume %s", name);
return 0;
}
diff --git a/tools/pvresize.c b/tools/pvresize.c
index 8582ef4..4f1d610 100644
--- a/tools/pvresize.c
+++ b/tools/pvresize.c
@@ -32,28 +32,26 @@ static int _pv_resize_single(struct cmd_context *cmd,
uint64_t size = 0;
uint32_t new_pe_count = 0;
int r = 0;
- struct dm_list mdas;
const char *pv_name = pv_dev_name(pv);
const char *vg_name = pv_vg_name(pv);
struct lvmcache_info *info;
int mda_count = 0;
struct volume_group *old_vg = vg;
- dm_list_init(&mdas);
-
if (is_orphan_vg(vg_name)) {
if (!lock_vol(cmd, vg_name, LCK_VG_WRITE)) {
log_error("Can't get lock for orphans");
return 0;
}
- if (!(pv = pv_read(cmd, pv_name, &mdas, NULL, 1, 0))) {
+ if (!(pv = pv_read(cmd, pv_name, NULL, 1, 0))) {
unlock_vg(cmd, vg_name);
log_error("Unable to read PV \"%s\"", pv_name);
return 0;
}
- mda_count = dm_list_size(&mdas);
+ mda_count = dm_list_size(&pv->fid->metadata_areas_in_use) +
+ dm_list_size(&pv->fid->metadata_areas_ignored);
} else {
vg = vg_read_for_update(cmd, vg_name, NULL, 0);
diff --git a/tools/toollib.c b/tools/toollib.c
index f76aacd..48f8ed5 100644
--- a/tools/toollib.c
+++ b/tools/toollib.c
@@ -640,7 +640,7 @@ static int _process_all_devs(struct cmd_context *cmd, void *handle,
}
while ((dev = dev_iter_get(iter))) {
- if (!(pv = pv_read(cmd, dev_name(dev), NULL, NULL, 0, 0))) {
+ if (!(pv = pv_read(cmd, dev_name(dev), NULL, 0, 0))) {
memset(&pv_dummy, 0, sizeof(pv_dummy));
dm_list_init(&pv_dummy.tags);
dm_list_init(&pv_dummy.segments);
@@ -682,7 +682,6 @@ int process_each_pv(struct cmd_context *cmd, int argc, char **argv,
struct str_list *sll;
char *at_sign, *tagname;
int scanned = 0;
- struct dm_list mdas;
dm_list_init(&tags);
@@ -724,10 +723,8 @@ int process_each_pv(struct cmd_context *cmd, int argc, char **argv,
}
pv = pvl->pv;
} else {
-
- dm_list_init(&mdas);
- if (!(pv = pv_read(cmd, argv[opt], &mdas,
- NULL, 1, scan_label_only))) {
+ if (!(pv = pv_read(cmd, argv[opt], NULL,
+ 1, scan_label_only))) {
log_error("Failed to read physical "
"volume \"%s\"", argv[opt]);
ret_max = ECMD_FAILED;
@@ -742,7 +739,8 @@ int process_each_pv(struct cmd_context *cmd, int argc, char **argv,
* PV on the system.
*/
if (!scanned && is_orphan(pv) &&
- !dm_list_size(&mdas)) {
+ !dm_list_size(&pv->fid->metadata_areas_in_use) &&
+ !dm_list_size(&pv->fid->metadata_areas_ignored)) {
if (!scan_label_only &&
!scan_vgs_for_pvs(cmd, 1)) {
stack;
@@ -751,7 +749,7 @@ int process_each_pv(struct cmd_context *cmd, int argc, char **argv,
}
scanned = 1;
if (!(pv = pv_read(cmd, argv[opt],
- NULL, NULL, 1,
+ NULL, 1,
scan_label_only))) {
log_error("Failed to read "
"physical volume "
--
1.7.3.4
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