From: Ruediger Meier <ruediger.meier@ga-group.nl>
Date: Tue, 13 Jun 2017 22:14:13 +0000 (+0200)
Subject: misc: POSIX usage dd, regarding unit suffixes
X-Git-Tag: v2.31-rc1~307
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bda267627e47081e7eed769e9cb437cefb54188b;p=thirdparty%2Futil-linux.git

misc: POSIX usage dd, regarding unit suffixes

In POSIX we have only 'b' and 'k' (case-sensitive).

In the real work, OSX was the only system I've found  which does
not understand capital 'K'.

Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
---

diff --git a/sys-utils/losetup.8 b/sys-utils/losetup.8
index 60e9ff04ff..9dab580375 100644
--- a/sys-utils/losetup.8
+++ b/sys-utils/losetup.8
@@ -179,7 +179,7 @@ loop control device
 The following commands can be used as an example of using the loop device.
 .nf
 .IP
-# dd if=/dev/zero of=~/file.img bs=1MiB count=10
+# dd if=/dev/zero of=~/file.img bs=1024k count=10
 # losetup --find --show ~/file.img
 /dev/loop0
 # mkfs -t ext2 /dev/loop0
diff --git a/tests/ts/fincore/count b/tests/ts/fincore/count
index 0151016ee2..0b6f24dfe6 100755
--- a/tests/ts/fincore/count
+++ b/tests/ts/fincore/count
@@ -46,7 +46,7 @@ function check_dd_fs_feat
 	touch "$testf"
 
 	# NFS seems to fail for direct AND append
-	_dd if=/dev/zero of="$testf" bs=1K count=2 oflag=direct,append &>/dev/null \
+	_dd if=/dev/zero of="$testf" bs=1k count=2 oflag=direct,append &>/dev/null \
 		|| ts_skip "unsupported: dd oflag=direct,append"
 
 	# TODO: Should we check for sparse file support?
diff --git a/tests/ts/libmount/loop-overlay b/tests/ts/libmount/loop-overlay
index dc9b73d6bc..df096bf304 100755
--- a/tests/ts/libmount/loop-overlay
+++ b/tests/ts/libmount/loop-overlay
@@ -36,7 +36,7 @@ IMG=$(ts_image_init 5)
 mkfs.ext2 -F "$IMG" &> /dev/null || ts_die "Cannot make extn on $IMG"
 OFFSET=$(stat -c %s "$IMG")
 
-dd if="$IMG" of="$IMG" oflag=append bs=5MiB count=1 conv=notrunc &>/dev/null
+dd if="$IMG" of="$IMG" oflag=append bs=1024k count=5 conv=notrunc &>/dev/null
 
 [ -d "$TS_MOUNTPOINT-1" ] || mkdir -p $TS_MOUNTPOINT-1
 [ -d "$TS_MOUNTPOINT-2" ] || mkdir -p $TS_MOUNTPOINT-2