Like FSSTRESS_AVOID and FSX_AVOID, XFS_IO_AVOID can be used to avoid
using various advanced file system features such as "fpunch"
"fcollapse", "finsert", or "zero". Tests that require an xfs_io
command which is included in the space-separated list found in the
XFS_IO_AVOID environment variable will be skipped using _notrun.
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
---
README | 4 ++++
common/rc | 5 +++++
2 files changed, 9 insertions(+)
diff --git a/README b/README
index f8a878c..bb0075b 100644
--- a/README
+++ b/README
@@ -78,6 +78,10 @@ Preparing system for tests (IRIX and Linux):
added to the end of fsstresss and fsx invocations, respectively,
in case you wish to exclude certain operational modes from these
tests.
+ - setenv XFS_IO_AVOID which may contain a list of space separated
+ xfs_io commands which will be avoided in case you want to
+ exclude tests that require the use of certain file system
+ operations such as "fpunch", "fcollapse", "finsert", or "zero".
- or add a case to the switch in common/config assigning
these variables based on the hostname of your test
diff --git a/common/rc b/common/rc
index adf1edf..61de97e 100644
--- a/common/rc
+++ b/common/rc
@@ -1603,6 +1603,11 @@ _require_xfs_io_command()
fi
command=$1
+ if echo "$XFS_IO_AVOID" | grep -wq "$command"
+ then
+ _notrun "Avoiding xfs_io $command"
+ fi
+
testfile=$TEST_DIR/$$.xfs_io
case $command in
"falloc" )
--
2.5.0
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