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[PATCH 1/3] xfstests: add helper for zero range support check

To: xfs@xxxxxxxxxxx
Subject: [PATCH 1/3] xfstests: add helper for zero range support check
From: Eric Whitney <enwlinux@xxxxxxxxx>
Date: Mon, 21 Apr 2014 16:40:23 -0400
Cc: linux-ext4@xxxxxxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
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User-agent: Mutt/1.5.21 (2010-09-15)
Add a helper function to verify fallocate zero range support in a style
similar to _require_xfs_io_falloc_collapse(), etc.

Signed-off-by: Eric Whitney <enwlinux@xxxxxxxxx>
---
 common/rc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/common/rc b/common/rc
index acf419b..bcda96a 100644
--- a/common/rc
+++ b/common/rc
@@ -1375,6 +1375,13 @@ _require_xfs_io_falloc_collapse()
        _require_xfs_io_command "fcollapse"
 }
 
+# check that xfs_io, kernel, and filesystem all support fallocate with zero
+# range
+_require_xfs_io_falloc_zero()
+{
+       _require_xfs_io_command "fzero"
+}
+
 # check that xfs_io, kernel and filesystem support fiemap
 _require_xfs_io_fiemap()
 {
-- 
1.8.3.2

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