Homepage: https://xfs.wiki.kernel.org/
Package: xfsprogs
-Depends: ${shlibs:Depends}, ${misc:Depends}, python3:any
+Depends: ${shlibs:Depends}, ${misc:Depends}, python3:any, util-linux
Provides: fsck-backend
Suggests: xfsdump, acl, attr, quota
Breaks: xfsdump (<< 3.0.0)
OPTS=""
USAGE="Usage: xfs_info [-V] [-t mtab] [mountpoint|device|file]"
+# Try to find a loop device associated with a file. We only want to return
+# one loopdev (multiple loop devices can attach to a single file) so we grab
+# the last line and return it if it's actually a block device.
+try_find_loop_dev_for_file() {
+ local x="$(losetup -O NAME -j "$1" 2> /dev/null | tail -n 1)"
+ test -b "$x" && echo "$x"
+}
+
while getopts "t:V" c
do
case $c in
shift $OPTIND
case $# in
1)
- if [ -b "$1" ] || [ -f "$1" ]; then
- xfs_db -p xfs_info -c "info" $OPTS "$1"
+ arg="$1"
+
+ # See if we can map the arg to a loop device
+ loopdev="$(try_find_loop_dev_for_file "${arg}")"
+ test -n "${loopdev}" && arg="${loopdev}"
+
+ # If we find a mountpoint for the device, do a live query;
+ # otherwise try reading the fs with xfs_db.
+ if mountpt="$(findmnt -f -n -o TARGET "${arg}" 2> /dev/null)"; then
+ xfs_spaceman -p xfs_info -c "info" $OPTS "${mountpt}"
status=$?
else
- xfs_spaceman -p xfs_info -c "info" $OPTS "$1"
+ xfs_db -p xfs_info -c "info" $OPTS "${arg}"
status=$?
fi
;;