[lvm-devel] LVM2/lib/report properties.c properties.h
wysochanski at sourceware.org
wysochanski at sourceware.org
Thu Sep 30 14:09:46 UTC 2010
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: wysochanski at sourceware.org 2010-09-30 14:09:46
Modified files:
lib/report : properties.c properties.h
Log message:
Add pv_get_property and create generic internal _get_property function.
We need to use a similar function for pv and lv properties, so just make
a generic _get_property() function that contains most of the required
functionality. Also, add a check to ensure the field name matches the
object passed in by re-using report_type_t enum. For pv properties,
the report_type might be either PVS or LABEL.
In addition, add 'const' to 'get' functions object parameter, but not
'set' functions. Add _not_implemented_set() and _not_implemented_get()
functions.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/report/properties.c.diff?cvsroot=lvm2&r1=1.7&r2=1.8
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/report/properties.h.diff?cvsroot=lvm2&r1=1.1&r2=1.2
--- LVM2/lib/report/properties.c 2010/09/30 14:09:33 1.7
+++ LVM2/lib/report/properties.c 2010/09/30 14:09:45 1.8
@@ -21,9 +21,9 @@
#include "metadata.h"
#define GET_NUM_PROPERTY_FN(NAME, VALUE, TYPE, VAR) \
-static int _ ## NAME ## _get (void *obj, struct lvm_property_type *prop) \
+static int _ ## NAME ## _get (const void *obj, struct lvm_property_type *prop) \
{ \
- struct TYPE *VAR = (struct TYPE *)obj; \
+ const struct TYPE *VAR = (const struct TYPE *)obj; \
\
prop->v.n_val = VALUE; \
return 1; \
@@ -36,9 +36,9 @@
GET_NUM_PROPERTY_FN(NAME, VALUE, logical_volume, lv)
#define GET_STR_PROPERTY_FN(NAME, VALUE, TYPE, VAR) \
-static int _ ## NAME ## _get (void *obj, struct lvm_property_type *prop) \
+static int _ ## NAME ## _get (const void *obj, struct lvm_property_type *prop) \
{ \
- struct TYPE *VAR = (struct TYPE *)obj; \
+ const struct TYPE *VAR = (const struct TYPE *)obj; \
\
prop->v.s_val = (char *)VALUE; \
return 1; \
@@ -50,7 +50,13 @@
#define GET_LV_STR_PROPERTY_FN(NAME, VALUE) \
GET_STR_PROPERTY_FN(NAME, VALUE, logical_volume, lv)
-static int _not_implemented(void *obj, struct lvm_property_type *prop)
+static int _not_implemented_get(const void *obj, struct lvm_property_type *prop)
+{
+ log_errno(ENOSYS, "Function not implemented");
+ return 0;
+}
+
+static int _not_implemented_set(void *obj, struct lvm_property_type *prop)
{
log_errno(ENOSYS, "Function not implemented");
return 0;
@@ -58,174 +64,174 @@
/* PV */
GET_PV_STR_PROPERTY_FN(pv_fmt, pv_fmt_dup(pv))
-#define _pv_fmt_set _not_implemented
+#define _pv_fmt_set _not_implemented_set
GET_PV_STR_PROPERTY_FN(pv_uuid, pv_uuid_dup(pv))
-#define _pv_uuid_set _not_implemented
+#define _pv_uuid_set _not_implemented_set
GET_PV_NUM_PROPERTY_FN(dev_size, SECTOR_SIZE * pv_dev_size(pv))
-#define _dev_size_set _not_implemented
+#define _dev_size_set _not_implemented_set
GET_PV_STR_PROPERTY_FN(pv_name, pv_name_dup(pv))
-#define _pv_name_set _not_implemented
+#define _pv_name_set _not_implemented_set
GET_PV_NUM_PROPERTY_FN(pv_mda_free, SECTOR_SIZE * pv_mda_free(pv))
-#define _pv_mda_free_set _not_implemented
+#define _pv_mda_free_set _not_implemented_set
GET_PV_NUM_PROPERTY_FN(pv_mda_size, SECTOR_SIZE * pv_mda_size(pv))
-#define _pv_mda_size_set _not_implemented
+#define _pv_mda_size_set _not_implemented_set
GET_PV_NUM_PROPERTY_FN(pe_start, SECTOR_SIZE * pv->pe_start)
-#define _pe_start_set _not_implemented
+#define _pe_start_set _not_implemented_set
GET_PV_NUM_PROPERTY_FN(pv_size, SECTOR_SIZE * pv_size_field(pv))
-#define _pv_size_set _not_implemented
+#define _pv_size_set _not_implemented_set
GET_PV_NUM_PROPERTY_FN(pv_free, SECTOR_SIZE * pv_free(pv))
-#define _pv_free_set _not_implemented
+#define _pv_free_set _not_implemented_set
GET_PV_NUM_PROPERTY_FN(pv_used, SECTOR_SIZE * pv_used(pv))
-#define _pv_used_set _not_implemented
+#define _pv_used_set _not_implemented_set
GET_PV_STR_PROPERTY_FN(pv_attr, pv_attr_dup(pv->vg->vgmem, pv))
-#define _pv_attr_set _not_implemented
+#define _pv_attr_set _not_implemented_set
GET_PV_NUM_PROPERTY_FN(pv_pe_count, pv->pe_count)
-#define _pv_pe_count_set _not_implemented
+#define _pv_pe_count_set _not_implemented_set
GET_PV_NUM_PROPERTY_FN(pv_pe_alloc_count, pv->pe_alloc_count)
-#define _pv_pe_alloc_count_set _not_implemented
+#define _pv_pe_alloc_count_set _not_implemented_set
GET_PV_STR_PROPERTY_FN(pv_tags, pv_tags_dup(pv))
-#define _pv_tags_set _not_implemented
+#define _pv_tags_set _not_implemented_set
GET_PV_NUM_PROPERTY_FN(pv_mda_count, pv_mda_count(pv))
-#define _pv_mda_count_set _not_implemented
+#define _pv_mda_count_set _not_implemented_set
GET_PV_NUM_PROPERTY_FN(pv_mda_used_count, pv_mda_used_count(pv))
-#define _pv_mda_used_count_set _not_implemented
+#define _pv_mda_used_count_set _not_implemented_set
/* LV */
-#define _lv_uuid_get _not_implemented
-#define _lv_uuid_set _not_implemented
-#define _lv_name_get _not_implemented
-#define _lv_name_set _not_implemented
-#define _lv_path_get _not_implemented
-#define _lv_path_set _not_implemented
-#define _lv_attr_get _not_implemented
-#define _lv_attr_set _not_implemented
-#define _lv_major_get _not_implemented
-#define _lv_major_set _not_implemented
-#define _lv_minor_get _not_implemented
-#define _lv_minor_set _not_implemented
-#define _lv_read_ahead_get _not_implemented
-#define _lv_read_ahead_set _not_implemented
-#define _lv_kernel_major_get _not_implemented
-#define _lv_kernel_major_set _not_implemented
-#define _lv_kernel_minor_get _not_implemented
-#define _lv_kernel_minor_set _not_implemented
-#define _lv_kernel_read_ahead_get _not_implemented
-#define _lv_kernel_read_ahead_set _not_implemented
-#define _lv_size_get _not_implemented
-#define _lv_size_set _not_implemented
-#define _seg_count_get _not_implemented
-#define _seg_count_set _not_implemented
-#define _origin_get _not_implemented
-#define _origin_set _not_implemented
-#define _origin_size_get _not_implemented
-#define _origin_size_set _not_implemented
-#define _snap_percent_get _not_implemented
-#define _snap_percent_set _not_implemented
-#define _copy_percent_get _not_implemented
-#define _copy_percent_set _not_implemented
-#define _move_pv_get _not_implemented
-#define _move_pv_set _not_implemented
-#define _convert_lv_get _not_implemented
-#define _convert_lv_set _not_implemented
-#define _lv_tags_get _not_implemented
-#define _lv_tags_set _not_implemented
-#define _mirror_log_get _not_implemented
-#define _mirror_log_set _not_implemented
-#define _modules_get _not_implemented
-#define _modules_set _not_implemented
+#define _lv_uuid_get _not_implemented_get
+#define _lv_uuid_set _not_implemented_set
+#define _lv_name_get _not_implemented_get
+#define _lv_name_set _not_implemented_set
+#define _lv_path_get _not_implemented_get
+#define _lv_path_set _not_implemented_set
+#define _lv_attr_get _not_implemented_get
+#define _lv_attr_set _not_implemented_set
+#define _lv_major_get _not_implemented_get
+#define _lv_major_set _not_implemented_set
+#define _lv_minor_get _not_implemented_get
+#define _lv_minor_set _not_implemented_set
+#define _lv_read_ahead_get _not_implemented_get
+#define _lv_read_ahead_set _not_implemented_set
+#define _lv_kernel_major_get _not_implemented_get
+#define _lv_kernel_major_set _not_implemented_set
+#define _lv_kernel_minor_get _not_implemented_get
+#define _lv_kernel_minor_set _not_implemented_set
+#define _lv_kernel_read_ahead_get _not_implemented_get
+#define _lv_kernel_read_ahead_set _not_implemented_set
+#define _lv_size_get _not_implemented_get
+#define _lv_size_set _not_implemented_set
+#define _seg_count_get _not_implemented_get
+#define _seg_count_set _not_implemented_set
+#define _origin_get _not_implemented_get
+#define _origin_set _not_implemented_set
+#define _origin_size_get _not_implemented_get
+#define _origin_size_set _not_implemented_set
+#define _snap_percent_get _not_implemented_get
+#define _snap_percent_set _not_implemented_set
+#define _copy_percent_get _not_implemented_get
+#define _copy_percent_set _not_implemented_set
+#define _move_pv_get _not_implemented_get
+#define _move_pv_set _not_implemented_set
+#define _convert_lv_get _not_implemented_get
+#define _convert_lv_set _not_implemented_set
+#define _lv_tags_get _not_implemented_get
+#define _lv_tags_set _not_implemented_set
+#define _mirror_log_get _not_implemented_get
+#define _mirror_log_set _not_implemented_set
+#define _modules_get _not_implemented_get
+#define _modules_set _not_implemented_set
/* VG */
GET_VG_STR_PROPERTY_FN(vg_fmt, vg_fmt_dup(vg))
-#define _vg_fmt_set _not_implemented
+#define _vg_fmt_set _not_implemented_set
GET_VG_STR_PROPERTY_FN(vg_uuid, vg_uuid_dup(vg))
-#define _vg_uuid_set _not_implemented
+#define _vg_uuid_set _not_implemented_set
GET_VG_STR_PROPERTY_FN(vg_name, vg_name_dup(vg))
-#define _vg_name_set _not_implemented
+#define _vg_name_set _not_implemented_set
GET_VG_STR_PROPERTY_FN(vg_attr, vg_attr_dup(vg->vgmem, vg))
-#define _vg_attr_set _not_implemented
+#define _vg_attr_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(vg_size, (SECTOR_SIZE * vg_size(vg)))
-#define _vg_size_set _not_implemented
+#define _vg_size_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(vg_free, (SECTOR_SIZE * vg_free(vg)))
-#define _vg_free_set _not_implemented
+#define _vg_free_set _not_implemented_set
GET_VG_STR_PROPERTY_FN(vg_sysid, vg_system_id_dup(vg))
-#define _vg_sysid_set _not_implemented
+#define _vg_sysid_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(vg_extent_size, vg->extent_size)
-#define _vg_extent_size_set _not_implemented
+#define _vg_extent_size_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(vg_extent_count, vg->extent_count)
-#define _vg_extent_count_set _not_implemented
+#define _vg_extent_count_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(vg_free_count, vg->free_count)
-#define _vg_free_count_set _not_implemented
+#define _vg_free_count_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(max_lv, vg->max_lv)
-#define _max_lv_set _not_implemented
+#define _max_lv_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(max_pv, vg->max_pv)
-#define _max_pv_set _not_implemented
+#define _max_pv_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(pv_count, vg->pv_count)
-#define _pv_count_set _not_implemented
+#define _pv_count_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(lv_count, (vg_visible_lvs(vg)))
-#define _lv_count_set _not_implemented
+#define _lv_count_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(snap_count, (snapshot_count(vg)))
-#define _snap_count_set _not_implemented
+#define _snap_count_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(vg_seqno, vg->seqno)
-#define _vg_seqno_set _not_implemented
+#define _vg_seqno_set _not_implemented_set
GET_VG_STR_PROPERTY_FN(vg_tags, vg_tags_dup(vg))
-#define _vg_tags_set _not_implemented
+#define _vg_tags_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(vg_mda_count, (vg_mda_count(vg)))
-#define _vg_mda_count_set _not_implemented
+#define _vg_mda_count_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(vg_mda_used_count, (vg_mda_used_count(vg)))
-#define _vg_mda_used_count_set _not_implemented
+#define _vg_mda_used_count_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(vg_mda_free, (SECTOR_SIZE * vg_mda_free(vg)))
-#define _vg_mda_free_set _not_implemented
+#define _vg_mda_free_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(vg_mda_size, (SECTOR_SIZE * vg_mda_size(vg)))
-#define _vg_mda_size_set _not_implemented
+#define _vg_mda_size_set _not_implemented_set
GET_VG_NUM_PROPERTY_FN(vg_mda_copies, (vg_mda_copies(vg)))
-#define _vg_mda_copies_set _not_implemented
+#define _vg_mda_copies_set _not_implemented_set
/* LVSEG */
-#define _segtype_get _not_implemented
-#define _segtype_set _not_implemented
-#define _stripes_get _not_implemented
-#define _stripes_set _not_implemented
-#define _stripesize_get _not_implemented
-#define _stripesize_set _not_implemented
-#define _stripe_size_get _not_implemented
-#define _stripe_size_set _not_implemented
-#define _regionsize_get _not_implemented
-#define _regionsize_set _not_implemented
-#define _region_size_get _not_implemented
-#define _region_size_set _not_implemented
-#define _chunksize_get _not_implemented
-#define _chunksize_set _not_implemented
-#define _chunk_size_get _not_implemented
-#define _chunk_size_set _not_implemented
-#define _seg_start_get _not_implemented
-#define _seg_start_set _not_implemented
-#define _seg_start_pe_get _not_implemented
-#define _seg_start_pe_set _not_implemented
-#define _seg_size_get _not_implemented
-#define _seg_size_set _not_implemented
-#define _seg_tags_get _not_implemented
-#define _seg_tags_set _not_implemented
-#define _seg_pe_ranges_get _not_implemented
-#define _seg_pe_ranges_set _not_implemented
-#define _devices_get _not_implemented
-#define _devices_set _not_implemented
+#define _segtype_get _not_implemented_get
+#define _segtype_set _not_implemented_set
+#define _stripes_get _not_implemented_get
+#define _stripes_set _not_implemented_set
+#define _stripesize_get _not_implemented_get
+#define _stripesize_set _not_implemented_set
+#define _stripe_size_get _not_implemented_get
+#define _stripe_size_set _not_implemented_set
+#define _regionsize_get _not_implemented_get
+#define _regionsize_set _not_implemented_set
+#define _region_size_get _not_implemented_get
+#define _region_size_set _not_implemented_set
+#define _chunksize_get _not_implemented_get
+#define _chunksize_set _not_implemented_set
+#define _chunk_size_get _not_implemented_get
+#define _chunk_size_set _not_implemented_set
+#define _seg_start_get _not_implemented_get
+#define _seg_start_set _not_implemented_set
+#define _seg_start_pe_get _not_implemented_get
+#define _seg_start_pe_set _not_implemented_set
+#define _seg_size_get _not_implemented_get
+#define _seg_size_set _not_implemented_set
+#define _seg_tags_get _not_implemented_get
+#define _seg_tags_set _not_implemented_set
+#define _seg_pe_ranges_get _not_implemented_get
+#define _seg_pe_ranges_set _not_implemented_set
+#define _devices_get _not_implemented_get
+#define _devices_set _not_implemented_set
/* PVSEG */
-#define _pvseg_start_get _not_implemented
-#define _pvseg_start_set _not_implemented
-#define _pvseg_size_get _not_implemented
-#define _pvseg_size_set _not_implemented
+#define _pvseg_start_get _not_implemented_get
+#define _pvseg_start_set _not_implemented_set
+#define _pvseg_size_get _not_implemented_get
+#define _pvseg_size_set _not_implemented_set
#define STR DM_REPORT_FIELD_TYPE_STRING
#define NUM DM_REPORT_FIELD_TYPE_NUMBER
#define FIELD(type, strct, sorttype, head, field, width, fn, id, desc, writeable) \
- { #id, writeable, sorttype == STR, { .n_val = 0 }, _ ## id ## _get, _ ## id ## _set },
+ { type, #id, writeable, sorttype == STR, { .n_val = 0 }, _ ## id ## _get, _ ## id ## _set },
struct lvm_property_type _properties[] = {
#include "columns.h"
- { "", 0, 0, { .n_val = 0 }, _not_implemented, _not_implemented },
+ { 0, "", 0, 0, { .n_val = 0 }, _not_implemented_get, _not_implemented_set },
};
#undef STR
@@ -233,7 +239,8 @@
#undef FIELD
-int vg_get_property(struct volume_group *vg, struct lvm_property_type *prop)
+static int _get_property(const void *obj, struct lvm_property_type *prop,
+ report_type_t type)
{
struct lvm_property_type *p;
@@ -247,10 +254,27 @@
log_errno(EINVAL, "Invalid property name %s", prop->id);
return 0;
}
+ if (!(p->type & type)) {
+ log_errno(EINVAL, "Property name %s does not match type %d",
+ prop->id, p->type);
+ return 0;
+ }
*prop = *p;
- if (!p->get((void *)vg, prop)) {
+ if (!p->get(obj, prop)) {
return 0;
}
return 1;
}
+
+int vg_get_property(const struct volume_group *vg,
+ struct lvm_property_type *prop)
+{
+ return _get_property(vg, prop, VGS);
+}
+
+int pv_get_property(const struct physical_volume *pv,
+ struct lvm_property_type *prop)
+{
+ return _get_property(pv, prop, PVS | LABEL);
+}
--- LVM2/lib/report/properties.h 2010/08/20 12:44:58 1.1
+++ LVM2/lib/report/properties.h 2010/09/30 14:09:45 1.2
@@ -17,10 +17,12 @@
#include "libdevmapper.h"
#include "lvm-types.h"
#include "metadata.h"
+#include "report.h"
#define LVM_PROPERTY_NAME_LEN DM_REPORT_FIELD_TYPE_ID_LEN
struct lvm_property_type {
+ report_type_t type;
char id[LVM_PROPERTY_NAME_LEN];
unsigned is_writeable;
unsigned is_string;
@@ -28,10 +30,13 @@
char *s_val;
uint64_t n_val;
} v;
- int (*get) (void *obj, struct lvm_property_type *prop);
+ int (*get) (const void *obj, struct lvm_property_type *prop);
int (*set) (void *obj, struct lvm_property_type *prop);
};
-int vg_get_property(struct volume_group *vg, struct lvm_property_type *prop);
+int vg_get_property(const struct volume_group *vg,
+ struct lvm_property_type *prop);
+int pv_get_property(const struct physical_volume *pv,
+ struct lvm_property_type *prop);
#endif
More information about the lvm-devel
mailing list