On Wed, Oct 23, 2024 at 12:56:20AM +0530, Nirjhar Roy wrote: > This commit adds new tests that checks the behaviour of xfs/ext4 > filesystems when extsize hint is set on file with inode size as 0, non-empty > files with allocated and delalloc extents and so on. > Although currently this test is placed under tests/generic, it > only runs on xfs and there is an ongoing patch series[1] to enable > extsize hints for ext4 as well. > > [1] https://lore.kernel.org/linux-ext4/cover.1726034272.git.ojaswin@xxxxxxxxxxxxx/ > > Suggested-by: Ojaswin Mujoo <ojaswin@xxxxxxxxxxxxx> > Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@xxxxxxxxx> > Reviewed-by: Ojaswin Mujoo <ojaswin@xxxxxxxxxxxxx> > Signed-off-by: Nirjhar Roy <nirjhar@xxxxxxxxxxxxx> > --- > tests/generic/365 | 156 ++++++++++++++++++++++++++++++++++++++++++ > tests/generic/365.out | 26 +++++++ > 2 files changed, 182 insertions(+) > create mode 100755 tests/generic/365 > create mode 100644 tests/generic/365.out > > diff --git a/tests/generic/365 b/tests/generic/365 > new file mode 100755 > index 00000000..85a7ce9a > --- /dev/null > +++ b/tests/generic/365 > @@ -0,0 +1,156 @@ > +#! /bin/bash > +# SPDX-License-Identifier: GPL-2.0 > +# Copyright (c) 2024 Nirjhar Roy (nirjhar@xxxxxxxxxxxxx). All Rights Reserved. > +# > +# FS QA Test 365 > +# > +# This test verifies that extent allocation hint setting works correctly on files with > +# no extents allocated and non-empty files which are truncated. It also checks that the > +# extent hints setting fails with non-empty file i.e, with any file with allocated > +# extents or delayed allocation. We also check if the extsize value and the > +# xflag bit actually got reflected after setting/re-setting the extsize value. > + > +. ./common/config > +. ./common/filter > +. ./common/preamble > +. ./common/xfs > + > +_begin_fstest ioctl quick > + > +_supported_fs xfs > + > +_fixed_by_kernel_commit XXXXXXXXXXXX \ > + "xfs: Check for delayed allocations before setting extsize", > + > +_require_scratch > + > +FILE_DATA_SIZE=1M Do these tests work correctly with fsblock size of 64k? Just curious since Pankaj just sent a series doing 1M -> 4M bumps to fix quota issues. > +filter_extsz() > +{ > + sed "s/$EXTSIZE/EXTSIZE/g" > +} > + > +setup() > +{ > + _scratch_mkfs >> "$seqres.full" 2>&1 > + _scratch_mount >> "$seqres.full" 2>&1 > + BLKSZ=`_get_block_size $SCRATCH_MNT` > + EXTSIZE=$(( BLKSZ*2 )) Might want to check that there isn't an extsize/cowextsize set on the root directory due to mkfs options. > +} > + > +read_file_extsize() > +{ > + $XFS_IO_PROG -c "extsize" $1 | _filter_scratch | filter_extsz > +} > + > +check_extsz_and_xflag() > +{ > + local filename=$1 > + read_file_extsize $filename > + _test_xfs_xflags_field $filename "e" && echo "e flag set" || echo "e flag unset" > +} > + > +check_extsz_xflag_across_remount() > +{ > + local filename=$1 > + _scratch_cycle_mount > + check_extsz_and_xflag $filename > +} > + > +# Extsize flag should be cleared when extsize is reset, so this function > +# checks that this behavior is followed. > +reset_extsz_and_recheck_extsz_xflag() > +{ > + local filename=$1 > + echo "Re-setting extsize hint to 0" > + $XFS_IO_PROG -c "extsize 0" $filename > + check_extsz_xflag_across_remount $filename > +} > + > +check_extsz_xflag_before_and_after_reset() > +{ > + local filename=$1 > + check_extsz_xflag_across_remount $filename > + reset_extsz_and_recheck_extsz_xflag $filename > +} > + > +test_empty_file() > +{ > + echo "TEST: Set extsize on empty file" > + local filename=$1 > + $XFS_IO_PROG \ > + -c "open -f $filename" \ > + -c "extsize $EXTSIZE" \ > + > + check_extsz_xflag_before_and_after_reset $filename > + echo > +} > + > +test_data_delayed() > +{ > + echo "TEST: Set extsize on non-empty file with delayed allocation" > + local filename=$1 > + $XFS_IO_PROG \ > + -c "open -f $filename" \ > + -c "pwrite -q 0 $FILE_DATA_SIZE" \ > + -c "extsize $EXTSIZE" | _filter_scratch > + > + check_extsz_xflag_across_remount $filename > + echo > +} > + > +test_data_allocated() > +{ > + echo "TEST: Set extsize on non-empty file with allocated extents" > + local filename=$1 > + $XFS_IO_PROG \ > + -c "open -f $filename" \ > + -c "pwrite -qW 0 $FILE_DATA_SIZE" \ > + -c "extsize $EXTSIZE" | _filter_scratch > + > + check_extsz_xflag_across_remount $filename > + echo > +} > + > +test_truncate_allocated() > +{ > + echo "TEST: Set extsize after truncating a file with allocated extents" > + local filename=$1 > + $XFS_IO_PROG \ > + -c "open -f $filename" \ > + -c "pwrite -qW 0 $FILE_DATA_SIZE" \ > + -c "truncate 0" \ > + -c "extsize $EXTSIZE" \ > + > + check_extsz_xflag_across_remount $filename > + echo > +} > + > +test_truncate_delayed() > +{ > + echo "TEST: Set extsize after truncating a file with delayed allocation" > + local filename=$1 > + $XFS_IO_PROG \ > + -c "open -f $filename" \ > + -c "pwrite -q 0 $FILE_DATA_SIZE" \ > + -c "truncate 0" \ > + -c "extsize $EXTSIZE" \ > + > + check_extsz_xflag_across_remount $filename > + echo > +} Does this work for filesystems that don't have delalloc? Like fsdax filesystems? --D > +setup > +echo -e "EXTSIZE = $EXTSIZE BLOCKSIZE = $BLKSZ\n" >> "$seqres.full" > + > +NEW_FILE_NAME_PREFIX=$SCRATCH_MNT/new-file- > + > +test_empty_file "$NEW_FILE_NAME_PREFIX"00 > +test_data_delayed "$NEW_FILE_NAME_PREFIX"01 > +test_data_allocated "$NEW_FILE_NAME_PREFIX"02 > +test_truncate_allocated "$NEW_FILE_NAME_PREFIX"03 > +test_truncate_delayed "$NEW_FILE_NAME_PREFIX"04 > + > +status=0 > +exit > diff --git a/tests/generic/365.out b/tests/generic/365.out > new file mode 100644 > index 00000000..38cd0885 > --- /dev/null > +++ b/tests/generic/365.out > @@ -0,0 +1,26 @@ > +QA output created by 365 > +TEST: Set extsize on empty file > +[EXTSIZE] SCRATCH_MNT/new-file-00 > +e flag set > +Re-setting extsize hint to 0 > +[0] SCRATCH_MNT/new-file-00 > +e flag unset > + > +TEST: Set extsize on non-empty file with delayed allocation > +xfs_io: FS_IOC_FSSETXATTR SCRATCH_MNT/new-file-01: Invalid argument > +[0] SCRATCH_MNT/new-file-01 > +e flag unset > + > +TEST: Set extsize on non-empty file with allocated extents > +xfs_io: FS_IOC_FSSETXATTR SCRATCH_MNT/new-file-02: Invalid argument > +[0] SCRATCH_MNT/new-file-02 > +e flag unset > + > +TEST: Set extsize after truncating a file with allocated extents > +[EXTSIZE] SCRATCH_MNT/new-file-03 > +e flag set > + > +TEST: Set extsize after truncating a file with delayed allocation > +[EXTSIZE] SCRATCH_MNT/new-file-04 > +e flag set > + > -- > 2.43.5 > >
