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mdadm
0065-Add-support-for-Tebibytes.patch
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File 0065-Add-support-for-Tebibytes.patch of Package mdadm
From 42e641abeb312a91b841f1b1ea73661e4bd5a31c Mon Sep 17 00:00:00 2001 From: Kinga Tanska <kinga.tanska@intel.com> Date: Tue, 21 Jan 2020 10:38:52 +0100 Subject: [PATCH] Add support for Tebibytes Git-commit: 42e641abeb312a91b841f1b1ea73661e4bd5a31c Patch-mainline: mdadm-4.1+ References: jsc#SLE-10078, jsc#SLE-9348 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> Signed-off-by: Coly Li <colyli@suse.de> --- mdadm.8.in | 20 ++++++++++---------- util.c | 47 +++++++++++++++++++++++++++++++++-------------- 2 files changed, 43 insertions(+), 24 deletions(-) diff --git a/mdadm.8.in b/mdadm.8.in index ca02a33..5d00faf 100644 --- a/mdadm.8.in +++ b/mdadm.8.in @@ -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 diff --git a/util.c b/util.c index 64dd409..07f9dc3 100644 --- a/util.c +++ b/util.c @@ -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 -- 2.25.0
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