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Date: Tue, 9 May 2017 12:12:45 -0400 From: Jeff Layton <jlayton@...hat.com> To: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org, linux-cifs@...r.kernel.org, linux-nfs@...r.kernel.org, linux-mm@...ck.org, jfs-discussion@...ts.sourceforge.net, linux-xfs@...r.kernel.org, cluster-devel@...hat.com, linux-f2fs-devel@...ts.sourceforge.net, v9fs-developer@...ts.sourceforge.net, linux-nilfs@...r.kernel.org, linux-block@...r.kernel.org, fstests@...r.kernel.org Cc: dhowells@...hat.com, akpm@...ux-foundation.org, hch@...radead.org, ross.zwisler@...ux.intel.com, mawilcox@...rosoft.com, jack@...e.com, viro@...iv.linux.org.uk, corbet@....net, neilb@...e.de, clm@...com, tytso@....edu, axboe@...nel.dk, josef@...icpanda.com, hubcap@...ibond.com, rpeterso@...hat.com, bo.li.liu@...cle.com Subject: [xfstests PATCH v2 3/3] btrfs: allow it to use $SCRATCH_LOGDEV With btrfs, we can't really put the log on a separate device. What we can do however is mirror the metadata across two devices and put the data on a single device. When we turn on dmerror then the metadata can fall back to using the other mirror while the data errors out. Signed-off-by: Jeff Layton <jlayton@...hat.com> --- common/rc | 2 ++ 1 file changed, 2 insertions(+) diff --git a/common/rc b/common/rc index 8b815d9c8c33..2084c1f24f30 100644 --- a/common/rc +++ b/common/rc @@ -829,6 +829,8 @@ _scratch_mkfs() ;; btrfs) mkfs_cmd="$MKFS_BTRFS_PROG" + [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \ + mkfs_cmd="$mkfs_cmd -d single -m raid1 $SCRATCH_LOGDEV" mkfs_filter="cat" ;; ext2|ext3) -- 2.9.3
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