$XFS_INFO_PROG "$path" | grep realtime | sed -e 's/^.*extsz=\([0-9]*\).*$/\1/g'
}
+# Set or clear the realtime status of every supplied path. The first argument
+# is either 'data' or 'realtime'. All other arguments should be paths to
+# existing directories or empty regular files.
+#
+# For each directory, each file subsequently created will target the given
+# device for file data allocations. For each empty regular file, each
+# subsequent file data allocation will be on the given device.
+_xfs_force_bdev()
+{
+ local device="$1"
+ shift
+ local chattr_arg=""
+
+ case "$device" in
+ "data") chattr_arg="-t";;
+ "realtime") chattr_arg="+t";;
+ *)
+ echo "${device}: Don't know what device this is?"
+ return 1
+ ;;
+ esac
+
+ $XFS_IO_PROG -c "chattr $chattr_arg" "$@"
+}
+
_xfs_get_fsxattr()
{
local field="$1"
$XFS_METADUMP_PROG $options "$device" "$metadump"
res=$?
[ "$compressopt" = "compress" ] && [ -n "$DUMP_COMPRESSOR" ] &&
- $DUMP_COMPRESSOR "$metadump" &> /dev/null
+ $DUMP_COMPRESSOR -f "$metadump" &> /dev/null
return $res
}
fi
}
+_require_scratch_xfs_shrink()
+{
+ _require_scratch
+ _require_command "$XFS_GROWFS_PROG" xfs_growfs
+
+ _scratch_mkfs_xfs | _filter_mkfs 2>$tmp.mkfs >/dev/null
+ . $tmp.mkfs
+ _scratch_mount
+ # here just to check if kernel supports, no need do more extra work
+ local errmsg=$($XFS_GROWFS_PROG -D$((dblocks-1)) "$SCRATCH_MNT" 2>&1)
+ if [ "$?" -ne 0 ]; then
+ echo "$errmsg" | grep 'XFS_IOC_FSGROWFSDATA xfsctl failed: Invalid argument' > /dev/null && \
+ _notrun "kernel does not support shrinking"
+ echo "$errmsg" | grep 'data size .* too small, old size is ' > /dev/null && \
+ _notrun "xfsprogs does not support shrinking"
+ _fail "$XFS_GROWFS_PROG failed unexpectedly: $errmsg"
+ fi
+ _scratch_unmount
+}
+
# XFS ability to change UUIDs on V5/CRC filesystems
#
_require_meta_uuid()
test "${found}" -eq "$#"
}
+# Skip a test if any of the given fs features aren't present on the scratch
+# filesystem. The scratch fs must have been formatted already.
+_require_scratch_xfs_features()
+{
+ local features="$(_scratch_xfs_db -c 'version' 2>/dev/null)"
+
+ for feature in "$@"; do
+ echo "${features}" | grep -q -w "${feature}" ||
+ _notrun "Missing scratch feature: ${feature}"
+ done
+}
+
# Decide if xfs_repair knows how to set (or clear) a filesystem feature.
_require_xfs_repair_upgrade()
{
_notrun "kernel doesn't support xfs inobtcount feature"
_scratch_unmount
}
+
+_xfs_timestamp_range()
+{
+ local device="$1"
+ local use_db=0
+ local dbprog="$XFS_DB_PROG $device"
+ test "$device" = "$SCRATCH_DEV" && dbprog=_scratch_xfs_db
+
+ $dbprog -f -c 'help timelimit' | grep -v -q 'not found' && use_db=1
+ if [ $use_db -eq 0 ]; then
+ # The "timelimit" command was added to xfs_db at the same time
+ # that bigtime was added to xfsprogs. Therefore, we can assume
+ # the old timestamp range if the command isn't present.
+ echo "-$((1<<31)) $(((1<<31)-1))"
+ else
+ $dbprog -f -c 'timelimit --compact' | \
+ awk '{printf("%s %s", $1, $2);}'
+ fi
+}
+
+# Require that the scratch device exists, that mkfs can format with bigtime
+# enabled, that the kernel can mount such a filesystem, and that xfs_info
+# advertises the presence of that feature.
+_require_scratch_xfs_bigtime()
+{
+ _require_scratch
+
+ _scratch_mkfs -m bigtime=1 &>/dev/null || \
+ _notrun "mkfs.xfs doesn't support bigtime feature"
+ _try_scratch_mount || \
+ _notrun "kernel doesn't support xfs bigtime feature"
+ $XFS_INFO_PROG "$SCRATCH_MNT" | grep -q -w "bigtime=1" || \
+ _notrun "bigtime feature not advertised on mount?"
+ _scratch_unmount
+}