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-rw-r--r--mdctl.c114
1 files changed, 61 insertions, 53 deletions
diff --git a/mdctl.c b/mdctl.c
index a2ece91..5a16646 100644
--- a/mdctl.c
+++ b/mdctl.c
@@ -40,6 +40,7 @@ int main(int argc, char *argv[])
int i;
int chunk = 0;
+ int size = 0;
int level = -10;
int layout = -1;
int raiddisks = 0;
@@ -73,7 +74,7 @@ int main(int argc, char *argv[])
case 'E':
/* setting mode - only once */
if (mode) {
- fprintf(stderr, "mdctl: --%s/-%c not allowed, mode already set to %s\n",
+ fprintf(stderr, Name ": --%s/-%c not allowed, mode already set to %s\n",
long_options[opt-'A'+1].name,
long_options[opt-'A'+1].val,
long_options[mode-'A'+1].name);
@@ -107,7 +108,7 @@ int main(int argc, char *argv[])
mddev = optarg;
else {
if (subdevs +1 >= MD_SB_DISKS) {
- fprintf(stderr, "mdctl: too many devices at %s - current limit -s %d\n",
+ fprintf(stderr, Name ": too many devices at %s - current limit -s %d\n",
optarg, MD_SB_DISKS);
exit(2);
}
@@ -133,46 +134,52 @@ int main(int argc, char *argv[])
case O('C','c'):
case O('B','c'): /* chunk or rounding */
if (chunk) {
- fprintf(stderr, "mdctl: chunk/rounding may only be specified once. "
+ fprintf(stderr, Name ": chunk/rounding may only be specified once. "
"Second value is %s.\n", optarg);
exit(2);
}
chunk = strtol(optarg, &c, 10);
- if (!optarg[0] || *c) {
- fprintf(stderr, "mdctl: invalid chunk/rounding value: %s\n",
+ if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) {
+ fprintf(stderr, Name ": invalid chunk/rounding value: %s\n",
optarg);
exit(2);
}
continue;
+ case O('c','z'): /* size */
+ if (size) {
+ fprintf(stderr, Name ": size may only be specified once. "
+ "Second value is %s.\n", optarg);
+ exit(2);
+ }
+ size = strtol(optarg, &c, 10);
+ if (!optarg[0] || *c || size < 4) {
+ fprintf(stderr, Name ": invalid size: %s\n",
+ optarg);
+ exit(2);
+ }
+ continue;
+
case O('C','l'):
case O('B','l'): /* set raid level*/
if (level != -10) {
- fprintf(stderr, "mdctl: raid level may only be set once. "
+ fprintf(stderr, Name ": raid level may only be set once. "
"Second value is %s.\n", optarg);
exit(2);
}
- if (strcmp(optarg,"linear")==0)
- level = -1;
- else if (strlen(optarg)==1 && strchr("01245", optarg[0]))
- level = optarg[0]-'0';
- else {
- fprintf(stderr, "mdctl: invalid raid level: %s\n",
+ level = map_name(pers, optarg);
+ if (level == -10) {
+ fprintf(stderr, Name ": invalid raid level: %s\n",
optarg);
exit(2);
}
if (level > 0 && mode == 'B') {
- fprintf(stderr, "mdctl: Raid level %s not permitted with --build.\n",
- optarg);
- exit(2);
- }
- if (layout >=0 && level < 4) {
- fprintf(stderr, "mdctl: raid level %s is incompatible with layout setting\n",
+ fprintf(stderr, Name ": Raid level %s not permitted with --build.\n",
optarg);
exit(2);
}
if (sparedisks > 0 && level < 1) {
- fprintf(stderr, "mdctl: raid level %s is incompatible with spare-disks setting.\n",
+ fprintf(stderr, Name ": raid level %s is incompatible with spare-disks setting.\n",
optarg);
exit(2);
}
@@ -180,39 +187,40 @@ int main(int argc, char *argv[])
case O('C','p'): /* raid5 layout */
if (layout >= 0) {
- fprintf(stderr,"mdctl: layout may only be sent once. "
+ fprintf(stderr,Name ": layout may only be sent once. "
"Second value was %s\n", optarg);
exit(2);
}
- if (level > -10 && level < 4) {
- fprintf(stderr,"mdctl: layout is incompatible with raid levels below 4.\n");
- exit(2);
- }
- if (strcmp(optarg, "left-symmetric")==0 || strcmp(optarg,"ls")==0)
- layout = ALGORITHM_LEFT_SYMMETRIC;
- else if (strcmp(optarg, "left-asymmetric")==0 || strcmp(optarg,"la")==0)
- layout = ALGORITHM_LEFT_ASYMMETRIC;
- else if (strcmp(optarg, "right-symmetric")==0 || strcmp(optarg,"rs")==0)
- layout = ALGORITHM_RIGHT_SYMMETRIC;
- else if (strcmp(optarg, "right-asymmetric")==0 || strcmp(optarg,"ra")==0)
- layout = ALGORITHM_RIGHT_ASYMMETRIC;
- else {
- fprintf(stderr,"mdctl: %s is not a valid layout value\n",
- optarg);
- exit(2);
+ switch(level) {
+ default:
+ fprintf(stderr, Name ": layout now meaningful for %s arrays.\n",
+ map_num(pers, level));
+ exit(2);
+ case -10:
+ fprintf(stderr, Name ": raid level must be given before layout.\n");
+ exit(2);
+
+ case 5:
+ layout = map_name(r5layout, optarg);
+ if (layout==-10) {
+ fprintf(stderr, Name ": layout %s not understood for raid5.\n",
+ optarg);
+ exit(2);
+ }
+ break;
}
continue;
case O('C','n'):
case O('B','n'): /* number of raid disks */
if (raiddisks) {
- fprintf(stderr, "mdctl: raid-disks set twice: %d and %s\n",
+ fprintf(stderr, Name ": raid-disks set twice: %d and %s\n",
raiddisks, optarg);
exit(2);
}
raiddisks = strtol(optarg, &c, 10);
if (!optarg[0] || *c || raiddisks<=0 || raiddisks > MD_SB_DISKS) {
- fprintf(stderr, "mdctl: invalid number of raid disks: %s\n",
+ fprintf(stderr, Name ": invalid number of raid disks: %s\n",
optarg);
exit(2);
}
@@ -220,18 +228,18 @@ int main(int argc, char *argv[])
case O('C','x'): /* number of spare (eXtra) discs */
if (sparedisks) {
- fprintf(stderr,"mdctl: spare-disks set twice: %d and %s\n",
+ fprintf(stderr,Name ": spare-disks set twice: %d and %s\n",
sparedisks, optarg);
exit(2);
}
if (level > -10 && level < 1) {
- fprintf(stderr, "mdctl: spare-disks setting is incompatible with raid level %d\n",
+ fprintf(stderr, Name ": spare-disks setting is incompatible with raid level %d\n",
level);
exit(2);
}
sparedisks = strtol(optarg, &c, 10);
if (!optarg[0] || *c || sparedisks < 0 || sparedisks > MD_SB_DISKS - raiddisks) {
- fprintf(stderr, "mdctl: invalid number of spare disks: %s\n",
+ fprintf(stderr, Name ": invalid number of spare disks: %s\n",
optarg);
exit(2);
}
@@ -243,21 +251,21 @@ int main(int argc, char *argv[])
continue;
case O('A','u'): /* uuid of array */
if (uuidset) {
- fprintf(stderr, "mdctl: uuid cannot bet set twice. "
+ fprintf(stderr, Name ": uuid cannot bet set twice. "
"Second value %s.\n", optarg);
exit(2);
}
if (parse_uuid(optarg, uuid))
uuidset = 1;
else {
- fprintf(stderr,"mdctl: Bad uuid: %s\n", optarg);
+ fprintf(stderr,Name ": Bad uuid: %s\n", optarg);
exit(2);
}
continue;
case O('A','c'): /* config file */
if (configfile) {
- fprintf(stderr, "mdctl: configfile cannot be set twice. "
+ fprintf(stderr, Name ": configfile cannot be set twice. "
"Second value is %s.\n", optarg);
exit(2);
}
@@ -289,14 +297,14 @@ int main(int argc, char *argv[])
case O('B','R'):
case O('C','R'): /* Run the array */
if (runstop < 0) {
- fprintf(stderr, "mdctl: Cannot both Stop and Run an array\n");
+ fprintf(stderr, Name ": Cannot both Stop and Run an array\n");
exit(2);
}
runstop = 1;
continue;
case O('@','S'):
if (runstop > 0) {
- fprintf(stderr, "mdctl: Cannot both Run and Stop an array\n");
+ fprintf(stderr, Name ": Cannot both Run and Stop an array\n");
exit(2);
}
runstop = -1;
@@ -304,7 +312,7 @@ int main(int argc, char *argv[])
case O('@','o'):
if (readonly < 0) {
- fprintf(stderr, "mdctl: Cannot have both readonly and readwrite\n");
+ fprintf(stderr, Name ": Cannot have both readonly and readwrite\n");
exit(2);
}
readonly = 1;
@@ -320,7 +328,7 @@ int main(int argc, char *argv[])
/* We have now processed all the valid options. Anything else is
* an error
*/
- fprintf(stderr, "mdctl: option %c not valid in mode %c\n",
+ fprintf(stderr, Name ": option %c not valid in mode %c\n",
opt, mode);
exit(2);
@@ -341,17 +349,17 @@ int main(int argc, char *argv[])
*/
if (mode !='D' && mode !='E' && ! (mode =='A' && scan)) {
if (!mddev) {
- fprintf(stderr, "mdctl: an md device must be given in this mode\n");
+ fprintf(stderr, Name ": an md device must be given in this mode\n");
exit(2);
}
mdfd = open(mddev, O_RDWR, 0);
if (mdfd < 0) {
- fprintf(stderr,"mdctl: error opening %s: %s\n",
+ fprintf(stderr,Name ": error opening %s: %s\n",
mddev, strerror(errno));
exit(1);
}
if (md_get_version(mdfd) <= 0) {
- fprintf(stderr, "mdctl: %s does not appear to be an md device\n",
+ fprintf(stderr, Name ": %s does not appear to be an md device\n",
mddev);
close(mdfd);
exit(1);
@@ -378,8 +386,8 @@ int main(int argc, char *argv[])
rv = Build(mddev, mdfd, chunk, level, raiddisks, subdevs,subdev);
break;
case 'C': /* Create */
- rv = Create(mddev, mdfd, chunk, level, layout, raiddisks, sparedisks,
- subdevs,subdev,runstop);
+ rv = Create(mddev, mdfd, chunk, level, layout, size, raiddisks, sparedisks,
+ subdevs,subdev,runstop, verbose);
break;
case 'D': /* Detail */
for (i=0; i<subdevs; i++)