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generic: test full dm snapshot devices

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Full DM snapshot devices can return unexpected errors from the
underlying device, and this causes problems for filesystems.  In
particular, xfs used to panic in this test, (fixed by commit 8d6c121
"xfs: fix buffer use after free on IO error"), and on current
4.0-rc3 kernels both ext4 and btrfs trigger WARNINGs.

Signed-off-by: Eryu Guan <eguan@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Eryu Guan
2015-04-02 09:41:15 +11:00
committed by Dave Chinner
parent 03c633bff6
commit facff609af
5 changed files with 100 additions and 0 deletions
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common/config
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@@ -190,6 +190,7 @@ export DMSETUP_PROG="`set_prog_path dmsetup`"
export WIPEFS_PROG="`set_prog_path wipefs`"
export DUMP_PROG="`set_prog_path dump`"
export RESTORE_PROG="`set_prog_path restore`"
export LVM_PROG="`set_prog_path lvm`"
# Generate a comparable xfsprogs version number in the form of
# major * 10000 + minor * 100 + release