From: Zhang Yi <yi.zhang@xxxxxxxxxx> Test the fallocate FALLOC_FL_WRITE_ZEROES command on a block device, including unsupported flags. Signed-off-by: Zhang Yi <yi.zhang@xxxxxxxxxx> --- tests/generic/766 | 80 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/766.out | 23 +++++++++++++ 2 files changed, 103 insertions(+) create mode 100755 tests/generic/766 create mode 100644 tests/generic/766.out diff --git a/tests/generic/766 b/tests/generic/766 new file mode 100755 index 00000000..6f31c250 --- /dev/null +++ b/tests/generic/766 @@ -0,0 +1,80 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2025 Huawei. All Rights Reserved. +# +# FS QA Test No. 766 +# +# Test fallocate(WRITE_ZEROES) on a block device, which should be able to +# WRITE SAME (or equivalent) the range. +# +. ./common/preamble +_begin_fstest blockdev rw zero + +_register_cleanup "_cleanup" BUS + +# Import common functions. +. ./common/filter +. ./common/scsi_debug + +# Modify as appropriate. +_require_scsi_debug +_require_xfs_io_command "fwzero" + +## 1. Test supported flags +echo "Create with unmap writesame and format" +dev=$(_get_scsi_debug_dev 512 512 0 4 "lbpws=1 lbpws10=1") +_pwrite_byte 0x62 0 4m $dev >> $seqres.full +$XFS_IO_PROG -c "fsync" $dev + +echo "Write zeroes" +$XFS_IO_PROG -c "fwzero 512k 1m" $dev + +echo "Check contents" +md5sum $dev | sed -e "s|$dev|SCSI_DEBUG_DEV|g" + +echo "Destroy device" +_put_scsi_debug_dev + +echo "Create w/o unmap writesame and format" +dev=$(_get_scsi_debug_dev 512 512 0 4 "lbpws=0 lbpws10=0 lbpu=0 write_same_length=0 unmap_max_blocks=0") +_pwrite_byte 0x62 0 4m $dev >> $seqres.full +$XFS_IO_PROG -c "fsync" $dev + +echo "Write zeroes, write fallback" +$XFS_IO_PROG -c "fwzero 512k 1m" $dev + +echo "Check contents" +md5sum $dev | sed -e "s|$dev|SCSI_DEBUG_DEV|g" + +echo "Destroy device" +_put_scsi_debug_dev + +## 2. Test unsupported flags. +echo "Create and format" +dev=$(_get_scsi_debug_dev 4096 4096 0 4 "lbpws=1 lbpws10=1") +_pwrite_byte 0x62 0 4m $dev >> $seqres.full +$XFS_IO_PROG -c "fsync" $dev + +echo "Unaligned write zeroes" +$XFS_IO_PROG -c "fwzero 512 512" $dev + +echo "Write zeroes past MAX_LFS_FILESIZE" +# zod = MAX_LFS_FILESIZE +zod=$(_get_max_lfs_filesize) +$XFS_IO_PROG -c "fwzero 512k $zod" $dev + +echo "Write zeroes to MAX_LFS_FILESIZE" +$XFS_IO_PROG -c "fwzero 0 $zod" $dev + +echo "Write zeroes starts past EOD" +$XFS_IO_PROG -c "fwzero 900m 1m" $dev + +echo "Check contents" +md5sum $dev | sed -e "s|$dev|SCSI_DEBUG_DEV|g" + +echo "Destroy device" +_put_scsi_debug_dev + +# success, all done +status=0 +exit diff --git a/tests/generic/766.out b/tests/generic/766.out new file mode 100644 index 00000000..7da0ceca --- /dev/null +++ b/tests/generic/766.out @@ -0,0 +1,23 @@ +QA output created by 766 +Create with unmap writesame and format +Write zeroes +Check contents +caa26edd6c70ce862eb7ec6f10b138a8 SCSI_DEBUG_DEV +Destroy device +Create w/o unmap writesame and format +Write zeroes, write fallback +Check contents +caa26edd6c70ce862eb7ec6f10b138a8 SCSI_DEBUG_DEV +Destroy device +Create and format +Unaligned write zeroes +fallocate: Invalid argument +Write zeroes past MAX_LFS_FILESIZE +fallocate: File too large +Write zeroes to MAX_LFS_FILESIZE +fallocate: Invalid argument +Write zeroes starts past EOD +fallocate: Invalid argument +Check contents +b83f9394092e15bdcda585cd8e776dc6 SCSI_DEBUG_DEV +Destroy device -- 2.46.1
