shaba/lvm2
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This commit is contained in:
Alasdair Kergon 2005-01-19 17:31:51 +00:00
parent 292e588ee3
commit 5457c133e1
1 changed files with 18 additions and 0 deletions
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18
tools/toollib.c
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@ -18,6 +18,9 @@
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/wait.h> #include <sys/wait.h>
/*
* Metadata iteration functions
*/
int process_each_lv_in_vg(struct cmd_context *cmd, struct volume_group *vg, int process_each_lv_in_vg(struct cmd_context *cmd, struct volume_group *vg,
struct list *arg_lvnames, struct list *tags, struct list *arg_lvnames, struct list *tags,
void *handle, void *handle,
@ -591,6 +594,9 @@ int process_each_pv(struct cmd_context *cmd, int argc, char **argv,
return ret_max; return ret_max;
} }
/*
* Determine volume group name from a logical volume name
*/
const char *extract_vgname(struct cmd_context *cmd, const char *lv_name) const char *extract_vgname(struct cmd_context *cmd, const char *lv_name)
{ {
const char *vg_name = lv_name; const char *vg_name = lv_name;
@ -649,6 +655,9 @@ const char *extract_vgname(struct cmd_context *cmd, const char *lv_name)
return vg_name; return vg_name;
} }
/*
* Extract default volume group name from environment
*/
char *default_vgname(struct cmd_context *cmd) char *default_vgname(struct cmd_context *cmd)
{ {
char *vg_path; char *vg_path;
@ -677,6 +686,9 @@ char *default_vgname(struct cmd_context *cmd)
return pool_strdup(cmd->mem, vg_path); return pool_strdup(cmd->mem, vg_path);
} }
/*
* Process physical extent range specifiers
*/
static int _add_pe_range(struct pool *mem, struct list *pe_ranges, static int _add_pe_range(struct pool *mem, struct list *pe_ranges,
uint32_t start, uint32_t count) uint32_t start, uint32_t count)
{ {
@ -911,6 +923,9 @@ struct list *clone_pv_list(struct pool *mem, struct list *pvsl)
return r; return r;
} }
/*
* Attempt metadata recovery
*/
struct volume_group *recover_vg(struct cmd_context *cmd, const char *vgname, struct volume_group *recover_vg(struct cmd_context *cmd, const char *vgname,
int lock_type) int lock_type)
{ {
@ -928,6 +943,9 @@ struct volume_group *recover_vg(struct cmd_context *cmd, const char *vgname,
return vg_read(cmd, vgname, &consistent); return vg_read(cmd, vgname, &consistent);
} }
/*
* Execute and wait for external command
*/
int exec_cmd(const char *command, const char *fscmd, const char *lv_path, int exec_cmd(const char *command, const char *fscmd, const char *lv_path,
const char *size) const char *size)
{ {