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generic/250: ignore xfs_io IO errors when writing to dmerror device

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When testing with data=journal ext4, direct write to dmerror device
doesn't return EIO, because ext4 turns direct write to buffered
write in data=journal mode and all data is written to journal
buffer. The write only fails later when commiting journal and error
messages can be seen in dmesg.

As the test is checking on the md5 checksum of the test file, it's
ok to ignore the IO error returned by xfs_io, as long as the
checksums match the golden image.

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Eryu Guan
2016-05-26 11:26:24 +08:00
parent dddc12bc76
commit 86e7366e84
2 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tests/generic/250
+3 -2
View File
@@ -79,11 +79,12 @@ _dmerror_mount
echo "Compare files" echo "Compare files"
md5sum $testdir/file2 | _filter_scratch md5sum $testdir/file2 | _filter_scratch
echo "CoW and unmount" echo "Write and unmount"
$XFS_IO_PROG -f -c "pwrite -S 0x63 $bufsize 1" $testdir/file2 >> $seqres.full $XFS_IO_PROG -f -c "pwrite -S 0x63 $bufsize 1" $testdir/file2 >> $seqres.full
sync sync
_dmerror_load_error_table _dmerror_load_error_table
$XFS_IO_PROG -d -f -c "pwrite -S 0x63 -b $bufsize 0 $filesize" $testdir/file2 >> $seqres.full $XFS_IO_PROG -d -f -c "pwrite -S 0x63 -b $bufsize 0 $filesize" $testdir/file2 \
>> $seqres.full 2>&1
_dmerror_load_working_table _dmerror_load_working_table
_dmerror_unmount _dmerror_unmount
_dmerror_mount _dmerror_mount
tests/generic/250.out
+1 -2
View File
@@ -3,8 +3,7 @@ Format and mount
Create the original files Create the original files
Compare files Compare files
ec8bb3b24d5b0f1b5bdf8c8f0f541ee6 SCRATCH_MNT/test-250/file2 ec8bb3b24d5b0f1b5bdf8c8f0f541ee6 SCRATCH_MNT/test-250/file2
CoW and unmount Write and unmount
pwrite64: Input/output error
Compare files Compare files
3ed86318f4ff8da26c1c2a6e3041f9be SCRATCH_MNT/test-250/file2 3ed86318f4ff8da26c1c2a6e3041f9be SCRATCH_MNT/test-250/file2
Check for damage Check for damage