shaba/lvm2
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Code Releases Activity

Remove error labels.

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This commit is contained in:
Alasdair Kergon 2004-05-24 15:58:50 +00:00
parent 4bbd3acb4e
commit 51fd3bb0eb
2 changed files with 37 additions and 40 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.00.16 -
=============================
Remove error labels from lvresize.
Fix a pvs error path.
xxchange -ae for exclusive activation.
Don't return non-zero status if there aren't any volume groups.

72
tools/lvresize.c
View File

@ -24,8 +24,6 @@ struct lvresize_params {
struct segment_type *segtype;
struct list *pvh;
/* size */
uint32_t extents;
uint64_t size;
@ -122,27 +120,28 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
struct lv_segment *seg;
uint32_t seg_extents;
uint32_t sz, str;
struct list *pvh = NULL;
if (!(vg = vg_read(cmd, lp->vg_name, &consistent))) {
log_error("Volume group %s doesn't exist", lp->vg_name);
goto error;
return ECMD_FAILED;
}
if (vg->status & EXPORTED_VG) {
log_error("Volume group %s is exported", vg->name);
goto error;
return ECMD_FAILED;
}
if (!(vg->status & LVM_WRITE)) {
log_error("Volume group %s is read-only", lp->vg_name);
goto error;
return ECMD_FAILED;
}
/* does LV exist? */
if (!(lvl = find_lv_in_vg(vg, lp->lv_name))) {
log_error("Logical volume %s not found in volume group %s",
lp->lv_name, lp->vg_name);
goto error;
return ECMD_FAILED;
}
if (arg_count(cmd, stripes_ARG)) {
@ -155,7 +154,7 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
if (arg_count(cmd, stripesize_ARG)) {
if (arg_sign_value(cmd, stripesize_ARG, 0) == SIGN_MINUS) {
log_error("Stripesize may not be negative.");
goto error;
return ECMD_FAILED;
}
if (vg->fid->fmt->features & FMT_SEGMENTS)
lp->stripe_size = 2 * arg_uint_value(cmd,
@ -168,7 +167,7 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
if (lv->status & LOCKED) {
log_error("Can't resize locked LV %s", lv->name);
goto error;
return ECMD_FAILED;
}
alloc = (alloc_policy_t) arg_uint_value(cmd, alloc_ARG, lv->alloc);
@ -196,7 +195,7 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
if (lp->extents >= lv->le_count) {
log_error("Unable to reduce %s below 1 extent",
lp->lv_name);
goto error_cmdline;
return EINVALID_CMD_LINE;
}
lp->extents = lv->le_count - lp->extents;
@ -204,13 +203,13 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
if (!lp->extents) {
log_error("New size of 0 not permitted");
goto error_cmdline;
return EINVALID_CMD_LINE;
}
if (lp->extents == lv->le_count) {
log_error("New size (%d extents) matches existing size "
"(%d extents)", lp->extents, lv->le_count);
goto error_cmdline;
return EINVALID_CMD_LINE;
}
seg_size = lp->extents - lv->le_count;
@ -224,7 +223,7 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
if (lp->segtype != (struct segment_type *) arg_ptr_value(cmd, type_ARG,
lp->segtype)) {
log_error("VolumeType does not match (%s)", lp->segtype->name);
goto error_cmdline;
return EINVALID_CMD_LINE;
}
/* If extending, find stripes, stripesize & size of last segment */
@ -242,7 +241,7 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
(seg_stripes && seg_stripes != str && !lp->stripes)) {
log_error("Please specify number of "
"stripes (-i) and stripesize (-I)");
goto error_cmdline;
return EINVALID_CMD_LINE;
}
seg_stripesize = sz;
@ -258,7 +257,8 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
"%dKB", seg_stripesize / 2);
lp->stripe_size = seg_stripesize;
} else {
lp->stripe_size = find_config_int(cmd->cft->root,
lp->stripe_size =
find_config_int(cmd->cft->root,
"metadata/stripesize",
DEFAULT_STRIPESIZE) * 2;
log_print("Using default stripesize %dKB",
@ -296,7 +296,7 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
if (lp->stripes > 1 && !lp->stripe_size) {
log_error("Stripesize for striped segment should not be 0!");
goto error_cmdline;
return EINVALID_CMD_LINE;
}
if ((lp->stripes > 1)) {
@ -314,7 +314,7 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
if (lp->extents == lv->le_count) {
log_error("New size (%d extents) matches existing size "
"(%d extents)", lp->extents, lv->le_count);
goto error_cmdline;
return EINVALID_CMD_LINE;
}
if (lp->extents < lv->le_count) {
@ -322,7 +322,7 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
log_error("New size given (%d extents) not larger "
"than existing size (%d extents)",
lp->extents, lv->le_count);
goto error_cmdline;
return EINVALID_CMD_LINE;
} else
lp->resize = LV_REDUCE;
}
@ -332,7 +332,7 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
log_error("New size given (%d extents) not less than "
"existing size (%d extents)", lp->extents,
lv->le_count);
goto error_cmdline;
return EINVALID_CMD_LINE;
} else
lp->resize = LV_EXTEND;
}
@ -345,7 +345,7 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
if (!lv_info(lv, &info) && driver_version(NULL, 0)) {
log_error("lv_info failed: aborting");
goto error;
return ECMD_FAILED;
}
if (info.exists) {
@ -364,29 +364,29 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
" [y/n]: ", lp->lv_name) == 'n') {
log_print("Logical volume %s NOT reduced",
lp->lv_name);
goto error;
return ECMD_FAILED;
}
}
if (!archive(vg)) {
stack;
goto error;
return ECMD_FAILED;
}
if (!lv_reduce(vg->fid, lv, lv->le_count - lp->extents))
goto error;
return ECMD_FAILED;
}
if (lp->resize == LV_EXTEND) {
if (!(lp->pvh = lp->argc ? create_pv_list(cmd->mem, vg, lp->argc,
if (!(pvh = lp->argc ? create_pv_list(cmd->mem, vg, lp->argc,
lp->argv) : &vg->pvs)) {
stack;
goto error;
return ECMD_FAILED;
}
if (!archive(vg)) {
stack;
goto error;
return ECMD_FAILED;
}
log_print("Extending logical volume %s to %s", lp->lv_name,
@ -395,16 +395,18 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
SIZE_SHORT));
if (!lv_extend(vg->fid, lv, lp->segtype, lp->stripes,
lp->stripe_size, 0u, lp->extents - lv->le_count,
NULL, 0u, 0u, lp->pvh, alloc)) {
goto error;
lp->stripe_size, 0u,
lp->extents - lv->le_count,
NULL, 0u, 0u, pvh, alloc)) {
stack;
return ECMD_FAILED;
}
}
/* store vg on disk(s) */
if (!vg_write(vg)) {
stack;
goto error;
return ECMD_FAILED;
}
backup(vg);
@ -418,29 +420,23 @@ static int _lvresize(struct cmd_context *cmd, struct lvresize_params *lp)
if (!suspend_lv(cmd, lock_lvid)) {
log_error("Failed to suspend %s", lp->lv_name);
vg_revert(vg);
goto error;
return ECMD_FAILED;
}
if (!vg_commit(vg)) {
stack;
resume_lv(cmd, lock_lvid);
goto error;
return ECMD_FAILED;
}
if (!resume_lv(cmd, lock_lvid)) {
log_error("Problem reactivating %s", lp->lv_name);
goto error;
return ECMD_FAILED;
}
log_print("Logical volume %s successfully resized", lp->lv_name);
return ECMD_PROCESSED;
error:
return ECMD_FAILED;
error_cmdline:
return EINVALID_CMD_LINE;
}
int lvresize(struct cmd_context *cmd, int argc, char **argv)