Add support for Tebibytes

Adding support for Tebibytes enables display size of
volumes in Tebibytes and Terabytes when they are
bigger than 2048 GiB (or GB).

Signed-off-by: Kinga Tanska <kinga.tanska@intel.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
This commit is contained in:
Kinga Tanska 2020-01-21 10:38:52 +01:00 committed by Jes Sorensen
parent 4431efebab
commit 42e641abeb
2 changed files with 43 additions and 24 deletions

View File

@ -467,8 +467,8 @@ If this is not specified
size, though if there is a variance among the drives of greater than 1%, a warning is
issued.
A suffix of 'K', 'M' or 'G' can be given to indicate Kilobytes, Megabytes or
Gigabytes respectively.
A suffix of 'K', 'M', 'G' or 'T' can be given to indicate Kilobytes,
Megabytes, Gigabytes or Terabytes respectively.
Sometimes a replacement drive can be a little smaller than the
original drives though this should be minimised by IDEMA standards.
@ -532,8 +532,8 @@ problems the array can be made bigger again with no loss with another
.B "\-\-grow \-\-array\-size="
command.
A suffix of 'K', 'M' or 'G' can be given to indicate Kilobytes, Megabytes or
Gigabytes respectively.
A suffix of 'K', 'M', 'G' or 'T' can be given to indicate Kilobytes,
Megabytes, Gigabytes or Terabytes respectively.
A value of
.B max
restores the apparent size of the array to be whatever the real
@ -551,8 +551,8 @@ This is only meaningful for RAID0, RAID4, RAID5, RAID6, and RAID10.
RAID4, RAID5, RAID6, and RAID10 require the chunk size to be a power
of 2. In any case it must be a multiple of 4KB.
A suffix of 'K', 'M' or 'G' can be given to indicate Kilobytes, Megabytes or
Gigabytes respectively.
A suffix of 'K', 'M', 'G' or 'T' can be given to indicate Kilobytes,
Megabytes, Gigabytes or Terabytes respectively.
.TP
.BR \-\-rounding=
@ -767,8 +767,8 @@ When using an
bitmap, the chunksize defaults to 64Meg, or larger if necessary to
fit the bitmap into the available space.
A suffix of 'K', 'M' or 'G' can be given to indicate Kilobytes, Megabytes or
Gigabytes respectively.
A suffix of 'K', 'M', 'G' or 'T' can be given to indicate Kilobytes,
Megabytes, Gigabytes or Terabytes respectively.
.TP
.BR \-W ", " \-\-write\-mostly
@ -857,8 +857,8 @@ an array which was originally created using a different version of
which computed a different offset.
Setting the offset explicitly over-rides the default. The value given
is in Kilobytes unless a suffix of 'K', 'M' or 'G' is used to explicitly
indicate Kilobytes, Megabytes or Gigabytes respectively.
is in Kilobytes unless a suffix of 'K', 'M', 'G' or 'T' is used to explicitly
indicate Kilobytes, Megabytes, Gigabytes or Terabytes respectively.
Since Linux 3.4,
.B \-\-data\-offset

47
util.c
View File

@ -389,7 +389,7 @@ int mdadm_version(char *version)
unsigned long long parse_size(char *size)
{
/* parse 'size' which should be a number optionally
* followed by 'K', 'M', or 'G'.
* followed by 'K', 'M'. 'G' or 'T'.
* Without a suffix, K is assumed.
* Number returned is in sectors (half-K)
* INVALID_SECTORS returned on error.
@ -411,6 +411,10 @@ unsigned long long parse_size(char *size)
c++;
s *= 1024 * 1024 * 2;
break;
case 'T':
c++;
s *= 1024 * 1024 * 1024 * 2LL;
break;
case 's': /* sectors */
c++;
break;
@ -893,13 +897,14 @@ char *human_size(long long bytes)
{
static char buf[47];
/* We convert bytes to either centi-M{ega,ibi}bytes or
* centi-G{igi,ibi}bytes, with appropriate rounding,
* and then print 1/100th of those as a decimal.
/* We convert bytes to either centi-M{ega,ibi}bytes,
* centi-G{igi,ibi}bytes or centi-T{era,ebi}bytes
* with appropriate rounding, and then print
* 1/100th of those as a decimal.
* We allow upto 2048Megabytes before converting to
* gigabytes, as that shows more precision and isn't
* gigabytes and 2048Gigabytes before converting to
* terabytes, as that shows more precision and isn't
* too large a number.
* Terabytes are not yet handled.
*/
if (bytes < 5000*1024)
@ -909,11 +914,16 @@ char *human_size(long long bytes)
long cMB = (bytes / ( 1000000LL / 200LL ) +1) /2;
snprintf(buf, sizeof(buf), " (%ld.%02ld MiB %ld.%02ld MB)",
cMiB/100, cMiB % 100, cMB/100, cMB % 100);
} else {
} else if (bytes < 2*1024LL*1024LL*1024LL*1024LL) {
long cGiB = (bytes * 200LL / (1LL<<30) +1) / 2;
long cGB = (bytes / (1000000000LL/200LL ) +1) /2;
snprintf(buf, sizeof(buf), " (%ld.%02ld GiB %ld.%02ld GB)",
cGiB/100, cGiB % 100, cGB/100, cGB % 100);
} else {
long cTiB = (bytes * 200LL / (1LL<<40) + 1) / 2;
long cTB = (bytes / (1000000000000LL / 200LL) + 1) / 2;
snprintf(buf, sizeof(buf), " (%ld.%02ld TiB %ld.%02ld TB)",
cTiB/100, cTiB % 100, cTB/100, cTB % 100);
}
return buf;
}
@ -922,13 +932,14 @@ char *human_size_brief(long long bytes, int prefix)
{
static char buf[30];
/* We convert bytes to either centi-M{ega,ibi}bytes or
* centi-G{igi,ibi}bytes, with appropriate rounding,
* and then print 1/100th of those as a decimal.
/* We convert bytes to either centi-M{ega,ibi}bytes,
* centi-G{igi,ibi}bytes or centi-T{era,ebi}bytes
* with appropriate rounding, and then print
* 1/100th of those as a decimal.
* We allow upto 2048Megabytes before converting to
* gigabytes, as that shows more precision and isn't
* gigabytes and 2048Gigabytes before converting to
* terabytes, as that shows more precision and isn't
* too large a number.
* Terabytes are not yet handled.
*
* If prefix == IEC, we mean prefixes like kibi,mebi,gibi etc.
* If prefix == JEDEC, we mean prefixes like kilo,mega,giga etc.
@ -941,10 +952,14 @@ char *human_size_brief(long long bytes, int prefix)
long cMiB = (bytes * 200LL / (1LL<<20) +1) /2;
snprintf(buf, sizeof(buf), "%ld.%02ldMiB",
cMiB/100, cMiB % 100);
} else {
} else if (bytes < 2*1024LL*1024LL*1024LL*1024LL) {
long cGiB = (bytes * 200LL / (1LL<<30) +1) /2;
snprintf(buf, sizeof(buf), "%ld.%02ldGiB",
cGiB/100, cGiB % 100);
} else {
long cTiB = (bytes * 200LL / (1LL<<40) + 1) / 2;
snprintf(buf, sizeof(buf), "%ld.%02ldTiB",
cTiB/100, cTiB % 100);
}
}
else if (prefix == JEDEC) {
@ -952,10 +967,14 @@ char *human_size_brief(long long bytes, int prefix)
long cMB = (bytes / ( 1000000LL / 200LL ) +1) /2;
snprintf(buf, sizeof(buf), "%ld.%02ldMB",
cMB/100, cMB % 100);
} else {
} else if (bytes < 2*1024LL*1024LL*1024LL*1024LL) {
long cGB = (bytes / (1000000000LL/200LL ) +1) /2;
snprintf(buf, sizeof(buf), "%ld.%02ldGB",
cGB/100, cGB % 100);
} else {
long cTB = (bytes / (1000000000000LL / 200LL) + 1) / 2;
snprintf(buf, sizeof(buf), "%ld.%02ldTB",
cTB/100, cTB % 100);
}
}
else