Re: [PATCH 3/3] xfs: test quota's project ID on special files

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On 2025-08-12 01:46:13, Zorro Lang wrote:
> On Fri, Aug 08, 2025 at 09:31:58PM +0200, Andrey Albershteyn wrote:
> > From: Andrey Albershteyn <aalbersh@xxxxxxxxxx>
> > 
> > With addition of file_getattr() and file_setattr(), xfs_quota now can
> > set project ID on filesystem inodes behind special files. Previously,
> > quota reporting didn't count inodes of special files created before
> > project initialization. Only new inodes had project ID set.
> > 
> > Signed-off-by: Andrey Albershteyn <aalbersh@xxxxxxxxxx>
> > ---
> >  tests/xfs/2000     | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/2000.out | 17 ++++++++++++
> >  2 files changed, 94 insertions(+)
> > 
> > diff --git a/tests/xfs/2000 b/tests/xfs/2000
> > new file mode 100755
> > index 000000000000..26a0093c1da1
> > --- /dev/null
> > +++ b/tests/xfs/2000
> > @@ -0,0 +1,77 @@
> > +#! /bin/bash
> > +# SPDX-License-Identifier: GPL-2.0
> > +# Copyright (c) 2024 Red Hat.  All Rights Reserved.
> > +#
> > +# FS QA Test No. 2000
> > +#
> > +# Test that XFS can set quota project ID on special files
> > +#
> > +. ./common/preamble
> > +_begin_fstest auto quota
> > +
> > +# Import common functions.
> > +. ./common/quota
> > +. ./common/filter
> > +
> > +_wants_kernel_commit xxxxxxxxxxx \
> > +	"xfs: allow setting file attributes on special files"
> > +_wants_git_commit xfsprogs xxxxxxxxxxx \
> > +	"xfs_quota: utilize file_setattr to set prjid on special files"
> > +
> > +# Modify as appropriate.
> > +_require_scratch
> > +_require_xfs_quota
> > +_require_test_program "af_unix"
> > +_require_symlinks
> > +_require_mknod
> > +
> > +_scratch_mkfs >>$seqres.full 2>&1
> > +_qmount_option "pquota"
> > +_scratch_mount
> > +
> > +create_af_unix () {
> > +	$here/src/af_unix $* || echo af_unix failed
> > +}
> > +
> > +filter_quota() {
> > +	_filter_quota | sed "s~$tmp.projects~PROJECTS_FILE~"
> > +}
> > +
> > +projectdir=$SCRATCH_MNT/prj
> > +id=42
> > +
> > +mkdir $projectdir
> > +mkfifo $projectdir/fifo
> > +mknod $projectdir/chardev c 1 1
> > +mknod $projectdir/blockdev b 1 1
> > +create_af_unix $projectdir/socket
> > +touch $projectdir/foo
> > +ln -s $projectdir/foo $projectdir/symlink
> > +touch $projectdir/bar
> > +ln -s $projectdir/bar $projectdir/broken-symlink
> > +rm -f $projectdir/bar
> > +
> > +$XFS_QUOTA_PROG -D $tmp.projects -P $tmp.projid -x \
> > +	-c "project -sp $projectdir $id" $SCRATCH_DEV | filter_quota
> > +$XFS_QUOTA_PROG -D $tmp.projects -P $tmp.projid -x \
> > +	-c "limit -p isoft=20 ihard=20 $id " $SCRATCH_DEV | filter_quota
> > +$XFS_QUOTA_PROG -D $tmp.projects -P $tmp.projid -x \
> > +	-c "project -cp $projectdir $id" $SCRATCH_DEV | filter_quota
> > +$XFS_QUOTA_PROG -D $tmp.projects -P $tmp.projid -x \
> > +	-c "report -inN -p" $SCRATCH_DEV
> > +$XFS_QUOTA_PROG -D $tmp.projects -P $tmp.projid -x \
> > +	-c "project -Cp $projectdir $id" $SCRATCH_DEV | filter_quota
> > +
> > +# Let's check that we can recreate the project (flags were cleared out)
> > +$XFS_QUOTA_PROG -D $tmp.projects -P $tmp.projid -x \
> > +	-c "project -sp $projectdir $id" $SCRATCH_DEV | filter_quota
> > +$XFS_QUOTA_PROG -D $tmp.projects -P $tmp.projid -x \
> > +	-c "limit -p isoft=20 ihard=20 $id " $SCRATCH_DEV | filter_quota
> > +$XFS_QUOTA_PROG -D $tmp.projects -P $tmp.projid -x \
> > +	-c "report -inN -p" $SCRATCH_DEV
> > +$XFS_QUOTA_PROG -D $tmp.projects -P $tmp.projid -x \
> > +	-c "project -Cp $projectdir $id" $SCRATCH_DEV | filter_quota
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/2000.out b/tests/xfs/2000.out
> > new file mode 100644
> > index 000000000000..dd3918f1376d
> > --- /dev/null
> > +++ b/tests/xfs/2000.out
> > @@ -0,0 +1,17 @@
> > +QA output created by 2000
> > +Setting up project 42 (path SCRATCH_MNT/prj)...
> > +Processed 1 (PROJECTS_FILE and cmdline) paths for project 42 with recursion depth infinite (-1).
> > +Checking project 42 (path SCRATCH_MNT/prj)...
> > +Processed 1 (PROJECTS_FILE and cmdline) paths for project 42 with recursion depth infinite (-1).
> > +#0                   3          0          0     00 [--------]
> 
> Better to filter out the root quota report, it might fail on some test environments.
> 

sure

-- 
- Andrey





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