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common: allow dmflakey tests to work without udev

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If udev is not present, we need to run "dmsetup mknodes" to make sure
/dev/mapper/flakey-test is created or destroyed as appropriate.  On a
system with udev, running "dmsetup mknodes" will be a no-op.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Theodore Ts'o
2014-08-13 11:20:57 +10:00
committed by Dave Chinner
parent c4a6eb0a03
commit 2e0960f99e
1 changed files with 2 additions and 0 deletions
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common/dmflakey
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@@ -29,6 +29,7 @@ _init_flakey()
FLAKEY_TABLE_DROP="0 $BLK_DEV_SIZE flakey $SCRATCH_DEV 0 0 180 1 drop_writes" FLAKEY_TABLE_DROP="0 $BLK_DEV_SIZE flakey $SCRATCH_DEV 0 0 180 1 drop_writes"
$DMSETUP_PROG create flakey-test --table "$FLAKEY_TABLE" || \ $DMSETUP_PROG create flakey-test --table "$FLAKEY_TABLE" || \
_fatal "failed to create flakey device" _fatal "failed to create flakey device"
$DMSETUP_PROG mknodes > /dev/null 2>&1
} }
_mount_flakey() _mount_flakey()
@@ -48,6 +49,7 @@ _cleanup_flakey()
$DMSETUP_PROG resume flakey-test > /dev/null 2>&1 $DMSETUP_PROG resume flakey-test > /dev/null 2>&1
$UMOUNT_PROG $SCRATCH_MNT > /dev/null 2>&1 $UMOUNT_PROG $SCRATCH_MNT > /dev/null 2>&1
$DMSETUP_PROG remove flakey-test > /dev/null 2>&1 $DMSETUP_PROG remove flakey-test > /dev/null 2>&1
$DMSETUP_PROG mknodes > /dev/null 2>&1
} }
# _load_flakey_table <table> [lockfs] # _load_flakey_table <table> [lockfs]