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metadata: add lv_set_name

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Add function to set lv->name.
Also when creating empty LV, first add this LV
to linked list in a VG and just after that allocate lv name.
This commit is contained in:
Zdenek Kabelac 2024-10-24 16:05:28 +02:00
parent 73f24443e5
commit c681d4e61a
5 changed files with 24 additions and 9 deletions
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3
lib/format_text/import_vsn1.c
View File

@ -633,7 +633,8 @@ static int _read_lvnames(struct cmd_context *cmd,
if (!link_lv_to_vg(vg, lv))
return_0;
if (!(lv->name = dm_pool_strdup(mem, lvn->key)))
if (!(str = dm_pool_strdup(mem, lvn->key)) ||
!lv_set_name(lv, str))
return_0;
log_debug_metadata("Importing logical volume %s.", lv->name);

7
lib/metadata/lv.c
View File

@ -1577,6 +1577,13 @@ int lv_set_creation(struct logical_volume *lv,
return 1;
}
int lv_set_name(struct logical_volume *lv, const char *lv_name)
{
lv->name = lv_name; /* NULL -> LV is removed from tree */
return 1;
}
static char *_time_dup(struct cmd_context *cmd, struct dm_pool *mem,
time_t ts, int iso_mode)
{

1
lib/metadata/lv.h
View File

@ -153,6 +153,7 @@ char *lvseg_kernel_discards_dup(struct dm_pool *mem, const struct lv_segment *se
/* LV modification functions */
int lv_set_creation(struct logical_volume *lv,
const char *hostname, uint64_t timestamp);
int lv_set_name(struct logical_volume *lv, const char *lv_name);
int lv_active_change(struct cmd_context *cmd, struct logical_volume *lv,
enum activation_change activate);

16
lib/metadata/lv_manip.c
View File

@ -4654,7 +4654,8 @@ static int _rename_single_lv(struct logical_volume *lv, char *new_name)
return 0;
}
lv->name = new_name;
if (!lv_set_name(lv, new_name))
return_0;
return 1;
}
@ -4877,7 +4878,8 @@ int lv_rename_update(struct cmd_context *cmd, struct logical_volume *lv,
return_0;
/* rename main LV */
lv->name = lv_names.new;
if (!lv_set_name(lv, lv_names.new))
return_0;
if (lv_is_cow(lv))
lv = origin_from_cow(lv);
@ -7307,6 +7309,7 @@ struct logical_volume *lv_create_empty(const char *name,
struct format_instance *fi = vg->fid;
struct logical_volume *lv;
char dname[NAME_LEN];
const char *lv_name;
int historical;
if (strstr(name, "%d") &&
@ -7328,7 +7331,11 @@ struct logical_volume *lv_create_empty(const char *name,
if (!(lv = alloc_lv(vg->vgmem)))
return_NULL;
if (!(lv->name = dm_pool_strdup(vg->vgmem, name)))
if (!link_lv_to_vg(vg, lv))
goto_bad;
if (!(lv_name = dm_pool_strdup(vg->vgmem, name)) ||
!lv_set_name(lv, lv_name))
goto_bad;
lv->status = status;
@ -7342,9 +7349,6 @@ struct logical_volume *lv_create_empty(const char *name,
if (lvid)
lv->lvid = *lvid;
if (!link_lv_to_vg(vg, lv))
goto_bad;
if (!lv_set_creation(lv, NULL, 0))
goto_bad;

6
lib/metadata/vdo_manip.c
View File

@ -544,8 +544,10 @@ struct logical_volume *convert_vdo_lv(struct logical_volume *lv,
return_NULL;
/* Also swap naming, so the passed in LV keeps the passed-in name */
vdo_lv->name = lv->name;
lv->name = lvc.lv_name;
tmp_lv.name = lv->name;
lv_set_name(lv, NULL);
lv_set_name(vdo_lv, tmp_lv.name);
lv_set_name(lv, lvc.lv_name);
/* Swap segment referencing */
if (!remove_seg_from_segs_using_this_lv(lv, first_seg(lv)))