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common: mkfs.btrfs now requires --mixed for small filesystems

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generic/077 fails on btrfs progs v4.3:
 # ./check generic/077
 FSTYP         -- btrfs
 PLATFORM      -- Linux/x86_64 lenovo 4.4.0-rc2_HEAD_1ec218373b8ebda821aec00bb156a9c94fad9cd4_
 MKFS_OPTIONS  -- /dev/sdb6
 MOUNT_OPTIONS -- /dev/sdb6 /var/ltf/tester/scratch_mnt

 generic/077 344s ... [failed, exit status 1] - output mismatch (see /var/lib/xfstests/results//generic/077.out.bad)
     --- tests/generic/077.out   2015-11-23 17:06:27.144983112 +0800
     +++ /var/lib/xfstests/results//generic/077.out.bad  2015-11-23 17:41:25.187062895 +0800
     @@ -1,7 +1,5 @@
      QA output created by 077
      *** create filesystem
     -*** set default ACL
     -*** populate filesystem, pass #1
     -*** populate filesystem, pass #2
     -*** all done
     +mkfs failed
     +(see /var/lib/xfstests/results//generic/077.full for details)
      *** unmount
 Ran: generic/077
 Failures: generic/077
 Failed 1 of 1 tests

Reason:
 btrfs progs v4.3 use non-mixed blockgroup for small volume as default,
 it need at least 100M to build a filesystem.

Fix:
 Force mixed mode for small-size fs, to make mkfs success.

Suggested-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Zhao Lei
2015-12-21 17:10:32 +11:00
committed by Dave Chinner
parent 2674015584
commit 7a33e8569a
1 changed files with 3 additions and 1 deletions
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common/rc
+3 -1
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@@ -732,7 +732,9 @@ _scratch_mkfs_sized()
$MKFS_UDF_PROG $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
;;
btrfs)
$MKFS_BTRFS_PROG $MKFS_OPTIONS -b $fssize $SCRATCH_DEV
local mixed_opt=
(( fssize <= 100 * 1024 * 1024 )) && mixed_opt='--mixed'
$MKFS_BTRFS_PROG $MKFS_OPTIONS $mixed_opt -b $fssize $SCRATCH_DEV
;;
reiser4)
# mkfs.resier4 requires size in KB as input for creating filesystem