So, much like coreutils' du (which also shouldn't), xfs_quota traverses
bind mountpoints both when doing 'project -s' and 'project -C', and
probably also 'project -c' although I haven't tested it. Testcase and
output follows.
cheers
~Paul
# dd if=/dev/zero of=./xfstestfs bs=1M count=512
512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 0.402579 s, 1.3 GB/s
# mkfs.xfs xfstestfs
meta-data=xfstestfs isize=256 agcount=4, agsize=32768 blks
= sectsz=512 attr=2, projid32bit=0
data = bsize=4096 blocks=131072, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0
log =internal log bsize=4096 blocks=1200, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
# mkdir /mnt/xfstestfs
# mount -t xfs -o loop,prjquota xfstestfs /mnt/xfstestfs/
# mkdir -p /mnt/xfstestfs/projects/foo/chroot/xfstestfs
# mkdir -p /mnt/xfstestfs/projects/bar
****This is here so we get spew about where it's traversing later on:
# ln -s /mnt/xfstestfs/projects/foo /mnt/xfstestfs/projects/bar/
# echo 12345:/mnt/xfstestfs/projects/foo >> /etc/projects
# echo foo:12345 >> /etc/projid
# mount -t none -o bind /mnt/xfstestfs
/mnt/xfstestfs/projects/foo/chroot/xfstestfs
# dd if=/dev/zero of=/mnt/xfstestfs/projects/foo/100M bs=1M count=100
100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 0.0815913 s, 1.3 GB/s
# dd if=/dev/zero of=/mnt/xfstestfs/projects/bar/100M bs=1M count=100
100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 0.0806148 s, 1.3 GB/s
# xfs_quota -x -c 'project -s foo' /mnt/xfstestfs
Setting up project foo (path /mnt/xfstestfs/projects/foo)...
****Oops, why are we here:
xfs_quota: skipping special file
/mnt/xfstestfs/projects/foo/chroot/xfstestfs/projects/bar/foo
Processed 1 (/etc/projects and cmdline) paths for project foo with
recursion depth infinite (-1).
# xfs_quota -x -c 'report -p -h' /mnt/xfstestfs
Project quota on /mnt/xfstestfs (/dev/loop0)
Blocks
Project ID Used Soft Hard Warn/Grace
---------- ---------------------------------
foo 200M 0 0 00 [------]
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