/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2012 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
int hit = 0; /* number of Hex digIT */
int i;
char c;
- for (i=0; i<4; i++) uuid[i]=0;
+ for (i = 0; i < 4; i++)
+ uuid[i] = 0;
- while ((c= *str++)) {
+ while ((c = *str++) != 0) {
int n;
- if (c>='0' && c<='9')
+ if (c >= '0' && c <= '9')
n = c-'0';
- else if (c>='a' && c <= 'f')
+ else if (c >= 'a' && c <= 'f')
n = 10 + c - 'a';
- else if (c>='A' && c <= 'F')
+ else if (c >= 'A' && c <= 'F')
n = 10 + c - 'A';
else if (strchr(":. -", c))
continue;
return 0;
}
-
/*
* Get the md version number.
* We use the RAID_VERSION ioctl if it is supported
a.datalen = sizeof(p);
a.flags = 0;
memset(a.data, 0, a.datalen);
- for (p.pno=0; p.pno < 16; p.pno++)
+ for (p.pno = 0; p.pno < 16; p.pno++)
ioctl(fd, BLKPG, &a);
#endif
}
* which actual disks are present.
*/
copies = (layout&255)* ((layout>>8) & 255);
- first=0;
+ first = 0;
do {
/* there must be one of the 'copies' form 'first' */
int n = copies;
- int cnt=0;
+ int cnt = 0;
while (n--) {
if (avail[first])
cnt++;
array.raid_disks <= 0)
return 0;
avail = xcalloc(array.raid_disks, 1);
- for (i=0; i < MAX_DISKS && array.nr_disks > 0; i++) {
+ for (i = 0; i < MAX_DISKS && array.nr_disks > 0; i++) {
disk.number = i;
if (ioctl(fd, GET_DISK_INFO, &disk) != 0)
continue;
return rv;
}
-
const int uuid_zero[4] = { 0, 0, 0, 0 };
int same_uuid(int a[4], int b[4], int swapuuid)
unsigned char *ac = (unsigned char *)a;
unsigned char *bc = (unsigned char *)b;
int i;
- for (i=0; i<16; i+= 4) {
+ for (i = 0; i < 16; i += 4) {
if (ac[i+0] != bc[i+3] ||
ac[i+1] != bc[i+2] ||
ac[i+2] != bc[i+1] ||
return 0;
}
}
+
void copy_uuid(void *a, int b[4], int swapuuid)
{
if (swapuuid) {
unsigned char *ac = (unsigned char *)a;
unsigned char *bc = (unsigned char *)b;
int i;
- for (i=0; i<16; i+= 4) {
+ for (i = 0; i < 16; i += 4) {
ac[i+0] = bc[i+3];
ac[i+1] = bc[i+2];
ac[i+2] = bc[i+1];
return 0;
if (read(fd, sb, 1024) != 1024)
return 0;
- if (strncmp((char*)sb+52, "ReIsErFs",8)!=0 &&
- strncmp((char*)sb+52, "ReIsEr2Fs",9)!=0)
+ if (strncmp((char*)sb+52, "ReIsErFs",8) != 0 &&
+ strncmp((char*)sb+52, "ReIsEr2Fs",9) != 0)
return 0;
pr_err("%s appears to contain a reiserfs file system\n",name);
size = sb[0]|(sb[1]|(sb[2]|sb[3]<<8)<<8)<<8;
{
char *add = "";
int i;
- for (i=0; i<5; i++) {
+ for (i = 0; i < 5; i++) {
char buf[100];
fprintf(stderr, "%s%s", mesg, add);
fflush(stderr);
* 0 if not a standard name.
*/
char *d = strrchr(dev, '/');
- int type=0;
+ int type = 0;
int num;
if (!d)
return 0;
- if (strncmp(d, "/d",2)==0)
- d += 2, type=1; /* /dev/md/dN{pM} */
- else if (strncmp(d, "/md_d", 5)==0)
- d += 5, type=1; /* /dev/md_dN{pM} */
- else if (strncmp(d, "/md", 3)==0)
- d += 3, type=-1; /* /dev/mdN */
- else if (d-dev > 3 && strncmp(d-2, "md/", 3)==0)
- d += 1, type=-1; /* /dev/md/N */
+ if (strncmp(d, "/d",2) == 0)
+ d += 2, type = 1; /* /dev/md/dN{pM} */
+ else if (strncmp(d, "/md_d", 5) == 0)
+ d += 5, type = 1; /* /dev/md_dN{pM} */
+ else if (strncmp(d, "/md", 3) == 0)
+ d += 3, type = -1; /* /dev/mdN */
+ else if (d-dev > 3 && strncmp(d-2, "md/", 3) == 0)
+ d += 1, type = -1; /* /dev/md/N */
else
return 0;
if (!*d)
unsigned int csum;
unsigned int *superc = (unsigned int*) super;
- for(i=0; i<bytes/4; i++)
- newcsum+= superc[i];
+ for(i = 0; i < bytes/4; i++)
+ newcsum += superc[i];
csum = (newcsum& 0xffffffff) + (newcsum>>32);
#ifdef __alpha__
/* The in-kernel checksum calculation is always 16bit on
* the alpha, though it is 32 bit on i386...
- * I wonder what it is elsewhere... (it uses and API in
+ * I wonder what it is elsewhere... (it uses an API in
* a way that it shouldn't).
*/
csum = (csum & 0xffff) + (csum >> 16);
*/
if (bytes < 5000*1024)
- buf[0]=0;
+ buf[0] = 0;
else if (bytes < 2*1024LL*1024LL*1024LL) {
long cMiB = (bytes / ( (1LL<<20) / 200LL ) +1) /2;
long cMB = (bytes / ( 1000000LL / 200LL ) +1) /2;
{
int data_disks = 0;
switch (level) {
- case 0: data_disks = raid_disks; break;
- case 1: data_disks = 1; break;
+ case 0: data_disks = raid_disks;
+ break;
+ case 1: data_disks = 1;
+ break;
case 4:
- case 5: data_disks = raid_disks - 1; break;
- case 6: data_disks = raid_disks - 2; break;
+ case 5: data_disks = raid_disks - 1;
+ break;
+ case 6: data_disks = raid_disks - 2;
+ break;
case 10: data_disks = raid_disks / (layout & 255) / ((layout>>8)&255);
break;
}
void put_md_name(char *name)
{
- if (strncmp(name, "/dev/.tmp.md", 12)==0)
+ if (strncmp(name, "/dev/.tmp.md", 12) == 0)
unlink(name);
}
if (fd < 0) {
snprintf(devname, sizeof(devname), "/dev/.tmp.md.%d:%d:%d",
(int)getpid(), major, minor);
- if (mknod(devname, S_IFBLK|0600, makedev(major, minor))==0) {
+ if (mknod(devname, S_IFBLK|0600, makedev(major, minor)) == 0) {
fd = open(devname, flags);
unlink(devname);
}
if (fd < 0) {
snprintf(devname, sizeof(devname), "/tmp/.tmp.md.%d:%d:%d",
(int)getpid(), major, minor);
- if (mknod(devname, S_IFBLK|0600, makedev(major, minor))==0) {
+ if (mknod(devname, S_IFBLK|0600, makedev(major, minor)) == 0) {
fd = open(devname, flags);
unlink(devname);
}
int flags = O_RDWR;
sprintf(buf, "%d:%d", dev2major(devnum), dev2minor(devnum));
- for (i=0 ; i<25 ; i++) {
+ for (i = 0 ; i < 25 ; i++) {
int fd = dev_open(buf, flags|O_EXCL);
if (fd >= 0)
return fd;
(stb_want.st_mode & S_IFMT) != S_IFBLK)
return;
- for (i=0 ; i<25 ; i++) {
+ for (i = 0 ; i < 25 ; i++) {
struct stat stb;
if (stat(dev, &stb) == 0 &&
(stb.st_mode & S_IFMT) == S_IFBLK &&
st = xcalloc(1, sizeof(*st));
st->container_dev = NoMdDev;
- for (i=0 ; superlist[i]; i++) {
+ for (i = 0 ; superlist[i]; i++) {
int rv;
ss = superlist[i];
if (guess_type == guess_array && ss->add_to_super == NULL)
part = (struct GPT_part_entry *)buf;
- for (part_nr=0; part_nr < all_partitions; part_nr++) {
+ for (part_nr = 0; part_nr < all_partitions; part_nr++) {
/* read partition entry */
if (read(fd, buf, entry_size) != (ssize_t)entry_size)
return 0;
/* found the correct signature */
part = boot_sect.parts;
- for (part_nr=0; part_nr < MBR_PARTITIONS; part_nr++) {
+ for (part_nr = 0; part_nr < MBR_PARTITIONS; part_nr++) {
/* check for GPT type */
if (part->part_type == MBR_GPT_PARTITION_TYPE) {
retval = get_gpt_last_partition_end(fd, endofpart);
{
int i, skipped;
int len;
- pid_t pid;
+ pid_t pid;
int status;
char pathbuf[1024];
char *paths[4] = {
case 0:
/* FIXME yuk. CLOSE_EXEC?? */
skipped = 0;
- for (i=3; skipped < 20; i++)
+ for (i = 3; skipped < 20; i++)
if (close(i) < 0)
skipped++;
else
skipped = 0;
- for (i=0; paths[i]; i++)
+ for (i = 0; paths[i]; i++)
if (paths[i][0]) {
if (__offroot) {
execl(paths[i], "mdmon", "--offroot",
projects / thirdparty / mdadm.git / blobdiff