From: Petr Rockai Date: Wed, 17 Nov 2010 20:08:14 +0000 (+0000) Subject: Add the macro and specific 'get' functions for lvsegs. X-Git-Tag: old-v2_02_77~8 X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=16138ebca3799bbc4dc4ca0c37ab05832cf2014e;p=lvm2.git Add the macro and specific 'get' functions for lvsegs. Signed-off-by: Dave Wysochanski Reviewed-by: Petr Rockai --- diff --git a/lib/metadata/lv.c b/lib/metadata/lv.c index 744b7b0c5..df132fe34 100644 --- a/lib/metadata/lv.c +++ b/lib/metadata/lv.c @@ -21,6 +21,41 @@ #include "segtype.h" #include "str_list.h" +char *lvseg_tags_dup(const struct lv_segment *seg) +{ + return tags_format_and_copy(seg->lv->vg->vgmem, &seg->tags); +} + +char *lvseg_segtype_dup(const struct lv_segment *seg) +{ + if (seg->area_count == 1) { + return (char *)"linear"; + } + + return dm_pool_strdup(seg->lv->vg->vgmem, seg->segtype->ops->name(seg)); +} + +uint64_t lvseg_chunksize(const struct lv_segment *seg) +{ + uint64_t size; + + if (lv_is_cow(seg->lv)) + size = (uint64_t) find_cow(seg->lv)->chunk_size; + else + size = UINT64_C(0); + return size; +} + +uint64_t lvseg_start(const struct lv_segment *seg) +{ + return (uint64_t) seg->le * seg->lv->vg->extent_size; +} + +uint64_t lvseg_size(const struct lv_segment *seg) +{ + return (uint64_t) seg->len * seg->lv->vg->extent_size; +} + uint32_t lv_kernel_read_ahead(const struct logical_volume *lv) { struct lvinfo info; diff --git a/lib/metadata/lv.h b/lib/metadata/lv.h index 48d5293b2..bff36d280 100644 --- a/lib/metadata/lv.h +++ b/lib/metadata/lv.h @@ -63,5 +63,10 @@ char *lv_modules_dup(struct dm_pool *mem, const struct logical_volume *lv); char *lv_name_dup(struct dm_pool *mem, const struct logical_volume *lv); char *lv_origin_dup(struct dm_pool *mem, const struct logical_volume *lv); uint32_t lv_kernel_read_ahead(const struct logical_volume *lv); +uint64_t lvseg_start(const struct lv_segment *seg); +uint64_t lvseg_size(const struct lv_segment *seg); +uint64_t lvseg_chunksize(const struct lv_segment *seg); +char *lvseg_segtype_dup(const struct lv_segment *seg); +char *lvseg_tags_dup(const struct lv_segment *seg); #endif /* _LVM_LV_H */ diff --git a/lib/report/properties.c b/lib/report/properties.c index d814afe76..a588968d6 100644 --- a/lib/report/properties.c +++ b/lib/report/properties.c @@ -34,6 +34,8 @@ static int _ ## NAME ## _get (const void *obj, struct lvm_property_type *prop) \ GET_NUM_PROPERTY_FN(NAME, VALUE, physical_volume, pv) #define GET_LV_NUM_PROPERTY_FN(NAME, VALUE) \ GET_NUM_PROPERTY_FN(NAME, VALUE, logical_volume, lv) +#define GET_LVSEG_NUM_PROPERTY_FN(NAME, VALUE) \ + GET_NUM_PROPERTY_FN(NAME, VALUE, lv_segment, lvseg) #define SET_NUM_PROPERTY_FN(NAME, SETFN, TYPE, VAR) \ static int _ ## NAME ## _set (void *obj, struct lvm_property_type *prop) \ @@ -64,6 +66,8 @@ static int _ ## NAME ## _get (const void *obj, struct lvm_property_type *prop) \ GET_STR_PROPERTY_FN(NAME, VALUE, physical_volume, pv) #define GET_LV_STR_PROPERTY_FN(NAME, VALUE) \ GET_STR_PROPERTY_FN(NAME, VALUE, logical_volume, lv) +#define GET_LVSEG_STR_PROPERTY_FN(NAME, VALUE) \ + GET_STR_PROPERTY_FN(NAME, VALUE, lv_segment, lvseg) static int _not_implemented_get(const void *obj, struct lvm_property_type *prop) { @@ -202,29 +206,29 @@ GET_VG_NUM_PROPERTY_FN(vg_mda_copies, (vg_mda_copies(vg))) SET_VG_NUM_PROPERTY_FN(vg_mda_copies, vg_set_mda_copies) /* LVSEG */ -#define _segtype_get _not_implemented_get +GET_LVSEG_STR_PROPERTY_FN(segtype, lvseg_segtype_dup(lvseg)) #define _segtype_set _not_implemented_set -#define _stripes_get _not_implemented_get +GET_LVSEG_NUM_PROPERTY_FN(stripes, lvseg->area_count) #define _stripes_set _not_implemented_set -#define _stripesize_get _not_implemented_get +GET_LVSEG_NUM_PROPERTY_FN(stripesize, lvseg->stripe_size) #define _stripesize_set _not_implemented_set -#define _stripe_size_get _not_implemented_get +GET_LVSEG_NUM_PROPERTY_FN(stripe_size, lvseg->stripe_size) #define _stripe_size_set _not_implemented_set -#define _regionsize_get _not_implemented_get +GET_LVSEG_NUM_PROPERTY_FN(regionsize, lvseg->region_size) #define _regionsize_set _not_implemented_set -#define _region_size_get _not_implemented_get +GET_LVSEG_NUM_PROPERTY_FN(region_size, lvseg->region_size) #define _region_size_set _not_implemented_set -#define _chunksize_get _not_implemented_get +GET_LVSEG_NUM_PROPERTY_FN(chunksize, lvseg_chunksize(lvseg)) #define _chunksize_set _not_implemented_set -#define _chunk_size_get _not_implemented_get +GET_LVSEG_NUM_PROPERTY_FN(chunk_size, lvseg_chunksize(lvseg)) #define _chunk_size_set _not_implemented_set -#define _seg_start_get _not_implemented_get +GET_LVSEG_NUM_PROPERTY_FN(seg_start, lvseg_start(lvseg)) #define _seg_start_set _not_implemented_set -#define _seg_start_pe_get _not_implemented_get +GET_LVSEG_NUM_PROPERTY_FN(seg_start_pe, lvseg->le) #define _seg_start_pe_set _not_implemented_set -#define _seg_size_get _not_implemented_get +GET_LVSEG_NUM_PROPERTY_FN(seg_size, lvseg_size(lvseg)) #define _seg_size_set _not_implemented_set -#define _seg_tags_get _not_implemented_get +GET_LVSEG_STR_PROPERTY_FN(seg_tags, lvseg_tags_dup(lvseg)) #define _seg_tags_set _not_implemented_set #define _seg_pe_ranges_get _not_implemented_get #define _seg_pe_ranges_set _not_implemented_set @@ -318,6 +322,12 @@ static int _set_property(void *obj, struct lvm_property_type *prop, return 1; } +int lvseg_get_property(const struct lv_segment *lvseg, + struct lvm_property_type *prop) +{ + return _get_property(lvseg, prop, SEGS); +} + int lv_get_property(const struct logical_volume *lv, struct lvm_property_type *prop) { diff --git a/lib/report/properties.h b/lib/report/properties.h index f747f0418..381cdc6e9 100644 --- a/lib/report/properties.h +++ b/lib/report/properties.h @@ -33,6 +33,8 @@ struct lvm_property_type { int (*set) (void *obj, struct lvm_property_type *prop); }; +int lvseg_get_property(const struct lv_segment *lvseg, + struct lvm_property_type *prop); int lv_get_property(const struct logical_volume *lv, struct lvm_property_type *prop); int vg_get_property(const struct volume_group *vg, diff --git a/lib/report/report.c b/lib/report/report.c index 7a90b4d97..837ef0bb2 100644 --- a/lib/report/report.c +++ b/lib/report/report.c @@ -279,12 +279,9 @@ static int _segtype_disp(struct dm_report *rh __attribute__((unused)), { const struct lv_segment *seg = (const struct lv_segment *) data; - if (seg->area_count == 1) { - dm_report_field_set_value(field, "linear", NULL); - return 1; - } - - dm_report_field_set_value(field, seg->segtype->ops->name(seg), NULL); + char *name; + name = lvseg_segtype_dup(seg); + dm_report_field_set_value(field, name, NULL); return 1; } @@ -496,7 +493,7 @@ static int _segstart_disp(struct dm_report *rh, struct dm_pool *mem, const struct lv_segment *seg = (const struct lv_segment *) data; uint64_t start; - start = (uint64_t) seg->le * seg->lv->vg->extent_size; + start = lvseg_start(seg); return _size64_disp(rh, mem, field, &start, private); } @@ -519,7 +516,7 @@ static int _segsize_disp(struct dm_report *rh, struct dm_pool *mem, const struct lv_segment *seg = (const struct lv_segment *) data; uint64_t size; - size = (uint64_t) seg->len * seg->lv->vg->extent_size; + size = lvseg_size(seg); return _size64_disp(rh, mem, field, &size, private); } @@ -531,10 +528,7 @@ static int _chunksize_disp(struct dm_report *rh, struct dm_pool *mem, const struct lv_segment *seg = (const struct lv_segment *) data; uint64_t size; - if (lv_is_cow(seg->lv)) - size = (uint64_t) find_cow(seg->lv)->chunk_size; - else - size = UINT64_C(0); + size = lvseg_chunksize(seg); return _size64_disp(rh, mem, field, &size, private); }