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Add CORRECT_INCONSISTENT and FAIL_INCONSISTENT flags to vg_lock_and_read

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This commit is contained in:
Dave Wysochanski 2007-07-23 21:03:42 +00:00
parent 891c3d298b
commit 4f629c3bba
6 changed files with 25 additions and 9 deletions
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7
lib/metadata/metadata-exported.h
View File

@ -83,6 +83,10 @@ struct pv_segment;
#define FMT_RESIZE_PV 0x00000080U /* Supports pvresize? */
#define FMT_UNLIMITED_STRIPESIZE 0x00000100U /* Unlimited stripe size? */
/* LVM2 external library flags */
#define CORRECT_INCONSISTENT 0x00000001U /* Correct inconsistent metadata */
#define FAIL_INCONSISTENT 0x00000002U /* Fail if metadata inconsistent */
/* Ordered list - see lv_manip.c */
typedef enum {
ALLOC_INVALID,
@ -293,7 +297,8 @@ int pv_write(struct cmd_context *cmd, struct physical_volume *pv,
struct list *mdas, int64_t label_sector);
int is_orphan(pv_t *pv);
vg_t *vg_lock_and_read(struct cmd_context *cmd, const char *vg_name,
uint32_t lock_flags, uint32_t status_flags);
uint32_t lock_flags, uint32_t status_flags,
uint32_t misc_flags);
/* pe_start and pe_end relate to any existing data so that new metadata
* areas can avoid overlap */

10
lib/metadata/metadata.c
View File

@ -1798,23 +1798,29 @@ int vg_check_status(struct volume_group *vg, uint32_t status)
* @vg_name - name of the volume group to lock and read
* @lock_flags - locking flags to use
* @status_flags - status flags to check
* @misc_flags - function modifier flags
*
* Returns:
* NULL - failure
* non-NULL - success; volume group handle
*/
vg_t *vg_lock_and_read(struct cmd_context *cmd, const char *vg_name,
uint32_t lock_flags, uint32_t status_flags)
uint32_t lock_flags, uint32_t status_flags,
uint32_t misc_flags)
{
struct volume_group *vg;
int consistent = 1;
if (!(misc_flags & CORRECT_INCONSISTENT))
consistent = 0;
if (!lock_vol(cmd, vg_name, lock_flags)) {
log_error("Can't get lock for %s", vg_name);
return NULL;
}
if (!(vg = vg_read(cmd, vg_name, NULL, &consistent)) || !consistent) {
if (!(vg = vg_read(cmd, vg_name, NULL, &consistent)) ||
((misc_flags & FAIL_INCONSISTENT) && !consistent)) {
log_error("Volume group \"%s\" not found", vg_name);
unlock_vg(cmd, vg_name);
return NULL;

3
tools/pvmove.c
View File

@ -55,7 +55,8 @@ static struct volume_group *_get_vg(struct cmd_context *cmd, const char *vgname)
dev_close_all();
if (!(vg = vg_lock_and_read(cmd, vgname, LCK_VG_WRITE,
CLUSTERED | EXPORTED_VG | LVM_WRITE)))
CLUSTERED | EXPORTED_VG | LVM_WRITE,
CORRECT_INCONSISTENT | FAIL_INCONSISTENT)))
return NULL;
return vg;

3
tools/vgextend.c
View File

@ -49,7 +49,8 @@ int vgextend(struct cmd_context *cmd, int argc, char **argv)
log_verbose("Checking for volume group \"%s\"", vg_name);
if (!(vg = vg_lock_and_read(cmd, vg_name, LCK_VG_WRITE | LCK_NONBLOCK,
CLUSTERED | EXPORTED_VG |
LVM_WRITE | RESIZEABLE_VG))) {
LVM_WRITE | RESIZEABLE_VG,
CORRECT_INCONSISTENT | FAIL_INCONSISTENT))) {
unlock_vg(cmd, ORPHAN);
return ECMD_FAILED;
}

6
tools/vgmerge.c
View File

@ -30,13 +30,15 @@ static int _vgmerge_single(struct cmd_context *cmd, const char *vg_name_to,
log_verbose("Checking for volume group \"%s\"", vg_name_to);
if (!(vg_to = vg_lock_and_read(cmd, vg_name_to, LCK_VG_WRITE,
CLUSTERED | EXPORTED_VG | LVM_WRITE)))
CLUSTERED | EXPORTED_VG | LVM_WRITE,
CORRECT_INCONSISTENT | FAIL_INCONSISTENT)))
return ECMD_FAILED;
log_verbose("Checking for volume group \"%s\"", vg_name_from);
if (!(vg_from = vg_lock_and_read(cmd, vg_name_from,
LCK_VG_WRITE | LCK_NONBLOCK,
CLUSTERED | EXPORTED_VG | LVM_WRITE))) {
CLUSTERED | EXPORTED_VG | LVM_WRITE,
CORRECT_INCONSISTENT | FAIL_INCONSISTENT))) {
unlock_vg(cmd, vg_name_to);
return ECMD_FAILED;
}

3
tools/vgsplit.c
View File

@ -242,7 +242,8 @@ int vgsplit(struct cmd_context *cmd, int argc, char **argv)
log_verbose("Checking for volume group \"%s\"", vg_name_from);
if (!(vg_to = vg_lock_and_read(cmd, vg_name_from, LCK_VG_WRITE,
CLUSTERED | EXPORTED_VG |
RESIZEABLE_VG | LVM_WRITE)))
RESIZEABLE_VG | LVM_WRITE,
CORRECT_INCONSISTENT | FAIL_INCONSISTENT)))
return ECMD_FAILED;
log_verbose("Checking for volume group \"%s\"", vg_name_to);