linux-ext4 - [PATCH] ext4: use mkfs.ext4 -F instead of piping in yes

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Date:	Sun,  7 Sep 2014 08:29:02 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	fstests@...r.kernel.org
Cc:	Ext4 Developers List <linux-ext4@...r.kernel.org>,
	Theodore Ts'o <tytso@....edu>,
	Xiaoguang Wang <wangxg.fnst@...fujitsu.com>,
	Eryu Guan <eguan@...hat.com>
Subject: [PATCH] ext4: use mkfs.ext4 -F instead of piping in yes

Using "yes | mkfs.ext4 ..." results in the error message results in
the test failing, at least for some versions of e2fsprogs:

    +yes: standard output: Broken pipe
    +yes: write error

It better to use the -F option, which will eliminate the questions.

Signed-off-by: Theodore Ts'o <tytso@....edu>
Cc: Xiaoguang Wang <wangxg.fnst@...fujitsu.com>
Cc: Eryu Guan <eguan@...hat.com>
---
 tests/ext4/003 | 2 +-
 tests/ext4/306 | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/ext4/003 b/tests/ext4/003
index 572e685..a2e9d75 100755
--- a/tests/ext4/003
+++ b/tests/ext4/003
@@ -43,7 +43,7 @@ _require_ext4_bigalloc
 
 rm -f $seqres.full
 
-yes | mkfs.ext4 -O bigalloc -C 65536  -g 256 $SCRATCH_DEV 512m \
+mkfs.ext4 -F -O bigalloc -C 65536  -g 256 $SCRATCH_DEV 512m \
 	>> $seqres.full 2>&1
 _scratch_mount || _fail "couldn't mount fs"
 
diff --git a/tests/ext4/306 b/tests/ext4/306
index fd50b0e..fd5c3a2 100755
--- a/tests/ext4/306
+++ b/tests/ext4/306
@@ -48,7 +48,7 @@ _require_scratch
 rm -f $seqres.full
 
 # Make a small ext4 fs with extents disabled & mount it
-yes | mkfs.ext4 -O ^extents,^64bit $SCRATCH_DEV 512m >> $seqres.full 2>&1
+mkfs.ext4 -F -O ^extents,^64bit $SCRATCH_DEV 512m >> $seqres.full 2>&1
 _scratch_mount || _fail "couldn't mount fs"
 
 # Create a small non-extent-based file
-- 
2.1.0

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