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addpart: code consolidation 

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2010-12-09 21:56:13 +01:00
parent c4ecaf21d5
commit 74a782e2a2
1 changed files with 9 additions and 21 deletions
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30
partx/addpart.c
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@ -1,18 +1,13 @@
/* very primitive wrapper around the `add partition' ioctl */
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#ifdef HAVE_LINUX_COMPILER_H
#include <linux/compiler.h>
#endif
#include <linux/blkpg.h>
#include <fcntl.h>
#include "partx.h"
int
main(int argc, char **argv){
main(int argc, char **argv)
{
int fd;
struct blkpg_ioctl_arg a;
struct blkpg_partition p;
if (argc != 5) {
fprintf(stderr,
@ -24,20 +19,13 @@ main(int argc, char **argv){
perror(argv[1]);
exit(1);
}
p.pno = atoi(argv[2]);
p.start = 512 * atoll(argv[3]);
p.length = 512 * atoll(argv[4]);
p.devname[0] = 0;
p.volname[0] = 0;
a.op = BLKPG_ADD_PARTITION;
a.flags = 0;
a.datalen = sizeof(p);
a.data = &p;
if (ioctl(fd, BLKPG, &a) == -1) {
if (partx_add_partition(fd, atoi(argv[2]),
512 * atoll(argv[3]),
512 * atoll(argv[4]))) {
perror("BLKPG");
exit(1);
}
return 0;
}