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Code Releases Activity

another vg_lock_and_read

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This commit is contained in:
Alasdair Kergon 2007-11-15 02:53:49 +00:00
parent e5f7352bef
commit fed2f391ff
1 changed files with 8 additions and 21 deletions
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29
tools/vgsplit.c
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@ -216,7 +216,6 @@ int vgsplit(struct cmd_context *cmd, int argc, char **argv)
struct volume_group *vg_to, *vg_from;
int opt;
int active;
int consistent = 1;
if (argc < 3) {
log_error("Existing VG, new VG and physical volumes required.");
@ -240,25 +239,13 @@ int vgsplit(struct cmd_context *cmd, int argc, char **argv)
CORRECT_INCONSISTENT | FAIL_INCONSISTENT)))
return ECMD_FAILED;
log_verbose("Checking for volume group \"%s\"", vg_name_to);
if (!lock_vol(cmd, vg_name_to, LCK_VG_WRITE | LCK_NONBLOCK)) {
log_error("Can't get lock for %s", vg_name_to);
unlock_vg(cmd, vg_name_from);
return ECMD_FAILED;
}
if (!validate_new_vg_name(cmd, vg_name_to)) {
log_error("New volume group name \"%s\" is invalid",
vg_name_to);
unlock_vg(cmd, vg_name_from);
return ECMD_FAILED;
}
consistent = 0;
if ((vg_to = vg_read(cmd, vg_name_to, NULL, &consistent))) {
/* FIXME Remove this restriction */
log_verbose("Checking for new volume group \"%s\"", vg_name_to);
if ((vg_to = vg_lock_and_read(cmd, vg_name_to, NULL,
LCK_VG_WRITE | LCK_NONBLOCK,
0, 0))) {
log_error("Volume group \"%s\" already exists", vg_name_to);
goto error;
unlock_vg(cmd, vg_name_from);
return ECMD_FAILED;
}
if ((active = lvs_in_vg_activated(vg_from))) {
@ -336,8 +323,8 @@ int vgsplit(struct cmd_context *cmd, int argc, char **argv)
}
/* Remove EXPORTED flag from new VG */
consistent = 1;
if (!(vg_to = vg_read(cmd, vg_name_to, NULL, &consistent)) || !consistent) {
if (!(vg_to = vg_lock_and_read(cmd, vg_name_to, NULL, LCK_NONE, 0,
CORRECT_INCONSISTENT | FAIL_INCONSISTENT))) {
log_error("Volume group \"%s\" became inconsistent: please "
"fix manually", vg_name_to);
goto error;