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Refactor _lvcreate - move *_ARG into _lvcreate_params and get 'cmd' from 'vg'.

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A couple simple refactorings of _lvcreate - should be no functional change.
Move tags_ARG parsing into _lvcreate_params.  Also use lp->voriginsize
instread of arg_count().  These refactorings make it easier to move the
bulk of _lvcreate into the library.


Author: Dave Wysochanski <dwysocha@redhat.com>
This commit is contained in:
Dave Wysochanski 2009-07-26 02:30:57 +00:00
parent c9b4604ba6
commit 9091827c46
1 changed files with 14 additions and 12 deletions
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26
tools/lvcreate.c
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@ -53,6 +53,7 @@ struct lvcreate_params {
int pv_count;
char **pvs;
const char *tag;
};
static int _lvcreate_name_params(struct lvcreate_params *lp,
@ -525,6 +526,12 @@ static int _lvcreate_params(struct lvcreate_params *lp, struct cmd_context *cmd,
return 0;
}
if (arg_count(cmd, addtag_ARG) &&
!(lp->tag = arg_str_value(cmd, addtag_ARG, NULL))) {
log_error("Failed to get tag");
return 0;
}
lp->pv_count = argc;
lp->pvs = argv;
@ -593,14 +600,14 @@ static struct logical_volume *_create_virtual_origin(struct cmd_context *cmd,
return lv;
}
static int _lvcreate(struct cmd_context *cmd, struct volume_group *vg,
static int _lvcreate(struct volume_group *vg,
struct lvcreate_params *lp)
{
struct cmd_context *cmd = vg->cmd;
uint32_t size_rest;
uint32_t status = 0;
struct logical_volume *lv, *org = NULL;
struct dm_list *pvh;
const char *tag = NULL;
int origin_active = 0;
char lv_name_buf[128];
const char *lv_name;
@ -722,7 +729,7 @@ static int _lvcreate(struct cmd_context *cmd, struct volume_group *vg,
/* Must zero cow */
status |= LVM_WRITE;
if (arg_count(cmd, virtualsize_ARG))
if (lp->voriginsize)
origin_active = 1;
else {
@ -806,12 +813,7 @@ static int _lvcreate(struct cmd_context *cmd, struct volume_group *vg,
lv_name = &lv_name_buf[0];
}
if (arg_count(cmd, addtag_ARG)) {
if (!(tag = arg_str_value(cmd, addtag_ARG, NULL))) {
log_error("Failed to get tag");
return 0;
}
if (lp->tag) {
if (!(vg->fid->fmt->features & FMT_TAGS)) {
log_error("Volume group %s does not support tags",
vg->name);
@ -846,9 +848,9 @@ static int _lvcreate(struct cmd_context *cmd, struct volume_group *vg,
lv->minor);
}
if (tag && !str_list_add(cmd->mem, &lv->tags, tag)) {
if (lp->tag && !str_list_add(cmd->mem, &lv->tags, lp->tag)) {
log_error("Failed to add tag %s to %s/%s",
tag, lv->vg->name, lv->name);
lp->tag, lv->vg->name, lv->name);
return 0;
}
@ -1000,7 +1002,7 @@ int lvcreate(struct cmd_context *cmd, int argc, char **argv)
return ECMD_FAILED;
}
if (!_lvcreate(cmd, vg, &lp))
if (!_lvcreate(vg, &lp))
r = ECMD_FAILED;
unlock_and_release_vg(cmd, vg, lp.vg_name);