shaba/lvm2
1
0
Fork 0
mirror of git://sourceware.org/git/lvm2.git synced 2025-03-30 10:50:34 +03:00
Code Releases Activity

Export lvm_pv_get_size(), lvm_pv_get_free(), lvm_pv_get_dev_size in lvm2app.

Browse Source 
We add these exports to show the pv_size and pv_free and dev_size
fields.
Fixes rhbz561423.

Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
This commit is contained in:
Dave Wysochanski 2010-02-14 03:21:37 +00:00
parent ed3329eb45
commit 629efc6a89
7 changed files with 93 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/metadata/metadata-exported.h
View File

@ -726,6 +726,9 @@ struct device *pv_dev(const struct physical_volume *pv);
const char *pv_vg_name(const struct physical_volume *pv);
const char *pv_dev_name(const struct physical_volume *pv);
uint64_t pv_size(const struct physical_volume *pv);
uint64_t pv_size_field(const struct physical_volume *pv);
uint64_t pv_dev_size(const struct physical_volume *pv);
uint64_t pv_free(const struct physical_volume *pv);
uint64_t pv_status(const struct physical_volume *pv);
uint32_t pv_pe_size(const struct physical_volume *pv);
uint64_t pv_pe_start(const struct physical_volume *pv);

32
lib/metadata/metadata.c
View File

@ -3603,6 +3603,38 @@ uint64_t pv_size(const struct physical_volume *pv)
return pv_field(pv, size);
}
uint64_t pv_dev_size(const struct physical_volume *pv)
{
uint64_t size;
if (!dev_get_size(pv->dev, &size))
size = 0;
return size;
}
uint64_t pv_size_field(const struct physical_volume *pv)
{
uint64_t size;
if (!pv->pe_count)
size = pv->size;
else
size = (uint64_t) pv->pe_count * pv->pe_size;
return size;
}
uint64_t pv_free(const struct physical_volume *pv)
{
uint64_t freespace;
if (!pv->pe_count)
freespace = pv->size;
else
freespace = (uint64_t)
(pv->pe_count - pv->pe_alloc_count) * pv->pe_size;
return freespace;
}
uint64_t pv_status(const struct physical_volume *pv)
{
return pv_field(pv, status);

2
lib/report/columns.h
View File

@ -78,7 +78,7 @@ FIELD(LVS, lv, STR, "Modules", lvid, 7, modules, "modules", "Kernel device-mappe
FIELD(LABEL, pv, STR, "Fmt", id, 3, pvfmt, "pv_fmt", "Type of metadata.")
FIELD(LABEL, pv, STR, "PV UUID", id, 38, uuid, "pv_uuid", "Unique identifier.")
FIELD(LABEL, pv, NUM, "DevSize", dev, 7, devsize, "dev_size", "Size of underlying device in current units.")
FIELD(LABEL, pv, NUM, "DevSize", id, 7, devsize, "dev_size", "Size of underlying device in current units.")
FIELD(LABEL, pv, STR, "PV", dev, 10, dev_name, "pv_name", "Name.")
FIELD(LABEL, pv, NUM, "PMdaFree", id, 9, pvmdafree, "pv_mda_free", "Free metadata area space on this device in current units.")
FIELD(LABEL, pv, NUM, "PMdaSize", id, 9, pvmdasize, "pv_mda_size", "Size of smallest metadata area on this device in current units.")

16
lib/report/report.c
View File

@ -767,10 +767,7 @@ static int _pvfree_disp(struct dm_report *rh, struct dm_pool *mem,
(const struct physical_volume *) data;
uint64_t freespace;
if (!pv->pe_count)
freespace = pv->size;
else
freespace = (uint64_t) (pv->pe_count - pv->pe_alloc_count) * pv->pe_size;
freespace = pv_free(pv);
return _size64_disp(rh, mem, field, &freespace, private);
}
@ -783,10 +780,7 @@ static int _pvsize_disp(struct dm_report *rh, struct dm_pool *mem,
(const struct physical_volume *) data;
uint64_t size;
if (!pv->pe_count)
size = pv->size;
else
size = (uint64_t) pv->pe_count * pv->pe_size;
size = pv_size_field(pv);
return _size64_disp(rh, mem, field, &size, private);
}
@ -795,11 +789,11 @@ static int _devsize_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct device *dev = *(const struct device **) data;
const struct physical_volume *pv =
(const struct physical_volume *) data;
uint64_t size;
if (!dev_get_size(dev, &size))
size = 0;
size = pv_dev_size(pv);
return _size64_disp(rh, mem, field, &size, private);
}

3
liblvm/.exported_symbols
View File

@ -3,6 +3,9 @@ lvm_init
lvm_quit
lvm_config_reload
lvm_config_override
lvm_pv_get_dev_size
lvm_pv_get_size
lvm_pv_get_free
lvm_pv_get_name
lvm_pv_get_uuid
lvm_pv_get_mda_count

34
liblvm/lvm2app.h
View File

@ -867,6 +867,40 @@ char *lvm_pv_get_name(const pv_t pv);
*/
uint64_t lvm_pv_get_mda_count(const pv_t pv);
/**
* Get the current size in bytes of a device underlying a
* physical volume.
*
* \param pv
* Physical volume handle.
*
* \return
* Size in bytes.
*/
uint64_t lvm_pv_get_dev_size(const pv_t pv);
/**
* Get the current size in bytes of a physical volume.
*
* \param pv
* Physical volume handle.
*
* \return
* Size in bytes.
*/
uint64_t lvm_pv_get_size(const pv_t pv);
/**
* Get the current unallocated space in bytes of a physical volume.
*
* \param pv
* Physical volume handle.
*
* \return
* Free size in bytes.
*/
uint64_t lvm_pv_get_free(const pv_t pv);
/**
* Resize physical volume to new_size bytes.
*

15
liblvm/lvm_pv.c
View File

@ -43,6 +43,21 @@ uint64_t lvm_pv_get_mda_count(const pv_t pv)
return (uint64_t) pv_mda_count(pv);
}
uint64_t lvm_pv_get_dev_size(const pv_t pv)
{
return (uint64_t) SECTOR_SIZE*pv_dev_size(pv);
}
uint64_t lvm_pv_get_size(const pv_t pv)
{
return (uint64_t) SECTOR_SIZE*pv_size_field(pv);
}
uint64_t lvm_pv_get_free(const pv_t pv)
{
return (uint64_t) SECTOR_SIZE*pv_free(pv);
}
int lvm_pv_resize(const pv_t pv, uint64_t new_size)
{
/* FIXME: add pv resize code here */