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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Make _require_scratch_encryption() and
_require_encryption_policy_support() support the new '-s' option to
set_encpolicy to specify a custom value of log2_data_unit_size.
Likewise, make _verify_ciphertext_for_encryption_policy() accept an
argument "log2_dusize=*" to cause it to use the specified data unit size
for the test and verify that the file contents are encrypted as expected
for that data unit size.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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'_require_xfs_io_command set_encpolicy -s' does not work as expected
because the following in the output of 'xfs_io -c "help set_encpolicy"':
-s LOG2_DUSIZE -- log2 of data unit size
... does not match the regex:
"^ -s ([a-zA-Z_]+ )?--"
... because the 2 in the argument name LOG2_DUSIZE is not matched. Fix
the regex to support digits in the argument name.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Rename the --block-size option to --data-unit-size, and rename the
--block-number option to --data-unit-index.
This does not change any functionality, but this avoids confusion now
that the kernel supports the case where the crypto data unit size is not
the same as the filesystem block size. fscrypt-crypt-util cares about
the crypto data unit size, not the filesystem block size.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
[ add trailing whitespace and the version filter ]
Signed-off-by: Zorro Lang <zlang@kernel.org>
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The command 'btrfs inspect-internal dump-tree -t raid_stripe'
introduces trailing whitespace in its output.
Apply a filter to remove it. Used in btrfs/30[4-8][.out].
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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The new overlayfs mount options lowerdir+,datadir+ don't fit well
into any of the existing _overlay_scratch_mount* helpers.
Add this new helper to reduce a common pattern of custom mount options.
Suggested-by: Zorro Lang <zlang@kernel.org>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Metadump v2 supports dumping contents of an external log device. This commit
modifies _scratch_xfs_mdrestore() and _xfs_mdrestore() to be able to restore
metadump files which contain data from external log devices.
The callers of _scratch_xfs_mdrestore() must set the value of $SCRATCH_LOGDEV
only when all of the following conditions are met:
1. Metadump is in v2 format.
2. Metadump has contents dumped from an external log device.
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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This commit defines a new function to help detect support for metadump v2.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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xfs/253 requires the metadump to be obfuscated. However _xfs_metadump() would
append the '-o' option causing the metadump to be unobfuscated.
This commit fixes the bug by modifying _xfs_metadump() to no longer append any
metadump options. The direct/indirect callers of this function now pass the
required options explicitly.
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Add a helper to call _supports_xfs_scrub with $SCRATCH_MNT and
$SCRATCH_DEV.
[zlang: rename the _scratch_require_xxx to _require_scratch_xxx]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Add a sanity check that the passed in mount point is actually mounted
to guard against actually calling _supports_xfs_scrub before
$SCRATCH_MNT is mounted.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Recent btrfs-progs commit 5c91264d2dfc ("btrfs-progs: subvol delete:
print the id of the deleted subvolume") added the id of the deleted
subvolume to "Delete subvolume" print format.
As a result, btrfs/001 now always fail by the output difference.
- output mismatch (see /host/results/btrfs/001.out.bad)
--- tests/btrfs/001.out 2021-02-05 01:44:17.000000000 +0000
+++ /host/results/btrfs/001.out.bad 2023-12-15 01:43:07.000000000 +0000
@@ -33,7 +33,7 @@
Listing subvolumes
snap
subvol
-Delete subvolume 'SCRATCH_MNT/snap'
+Delete subvolume 256 (no-commit): 'SCRATCH_MNT/snap'
List root dir
subvol
...
Fix the issue by updating _filter_transaction_commit().
Reviewed-by: David Disseldorp <ddiss@suse.de>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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_require_sparse_files was implemented as a list of filesystems known not to
support sparse files, and therefore it missed some cases.
However, if sparse files do not work as expected during a test, the risk
is that the test will write out to the disk all the zeros that would
normally be unwritten. This amounts to at least 4 TB for the generic/129
test, and therefore there is a significant media wear-out concern here.
Adding more filesystems to the list of exclusions would not scale and
would not work anyway because CIFS backed by SAMBA is safe, while CIFS
backed by Windows Server 2022 is not (because the specific write
patterns found in generic/014 and generic/129 cause it to ignore the
otherwise-supported request to make a file sparse).
Mitigate this risk by rewriting the check as a small-scale test that
reliably triggers Windows misbehavior. The black list becomes unneeded
because the same test creates and detects non-sparse files on exfat and
hfsplus.
Signed-off-by: Alexander Patrakov <patrakov@gmail.com>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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In preparation to forking tests for new lowerdir+,datadir+ mount options,
prepare a helper to test kernel support and pass datadirs into mount
helpers in overlay/079 test.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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The test checks the expectaion from old kernels that set/get of
trusted.overlay.* xattrs is not supported on an overlayfs filesystem.
New kernels support set/get xattr of trusted.overlay.* xattrs, so adapt
the test to check that either both set and get work on new kernel, or
neither work on old kernel.
Signed-off-by: Alexander Larsson <alexl@redhat.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Since the new 'exchange range' functionality is no longer a VFS level
concept, the xfs_io swapext -v options have changed. Update fstests to
reflect this new reality.
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Create a test to exercise recovery of unlinked inodes on a clean
filesystem. This was definitely possible on old kernels that on an ro
mount would clean the log without processing the iunlink list.
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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A handful of tests write things to /dev/ttyprintk to make it easier to
pinpoint where in a test something went wrong. This isn't entirely
robust, however, because ttyprintk is an optional feature. In the grand
tradition of kernel design there's also a /dev/kmsg that does nearly the
same thing, is also optional, and there's no documentation spelling out
when one is supposed to use one or the other.
So.
Create a pair of helpers to append messages to the kernel log. One
simply writes its arguments to the kernel log, and the other writes
stdin to the kernel log, stdout, and any other files specified as
arguments.
Underneath the covers, both functions will send the message to
/dev/ttyprintk if available. If it isn't but /dev/kmsg is, they'll
send the messages there, prepending a "[U]" to emulate the only
discernable difference between ttyprintk and kmsg.
If neither are available, then either /dev or the kernel aren't allowing
us to write to the kernel log, and the messages are not logged. The
second helper will still write the messages to stdout.
If this seems like overengineered nonsense, then yes it is.
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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We have two instances of reading the btrfs fsid by using the command
'btrfs filesystem show <mnt>' turn this into an easy-to-use helper
function and also use it.
Suggested-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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With this helper, btrfs test cases can now check if a particular feature
is implemented in the kernel.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Currently _fs_sysfs_dname gets fsid from the findmnt command however
this command provides the metadata_uuid if the device is mounted with
temp-fsid. So instead, use btrfs filesystem show command to know the fsid.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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If we place /var/lib/xfstests on a read-only filesystem, commands in
_link_out_file_named() fail to modify the files. However, they won't fail
the test. As a result, the test case fails mysteriously with only "no
qualified output" printed.
Fix it by checking the error case.
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Make sure the installed unshare binary supports all the arguments that
it wants to use. The unshare program on my system (Ubuntu 22.04)
doesn't support --map-auto, so this test fails unnecessarily.
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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The regular expression used by _scratch_mkfs_geom() to match mkfs.xfs' block
size argument interprets the character 'b' as optional. It should actually
interpret whitespace as optional.
This causes generic/223 to fail when testing an XFS filesystem which uses an
external log device along with the -lsize option. In this case, the original
value of -lsize is replaced with the value of $blocksize.
_scratch_mkfs_sized() also uses the same incorrect regex.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Many btrfs tests explicitly trigger quota rescan. This is not a
meaningful operation for simple quotas, so we wrap it in a helper that
doesn't blow up quite so badly and lets us run those tests where the
rescan is a qgroup detail.
Signed-off-by: Boris Burkov <boris@bur.io>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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To facilitate skipping tests depending on the qgroup mode after mkfs,
add support for figuring out the mode. This cannot just rely on the new
sysfs file, since it might not be present on older kernels.
Signed-off-by: Boris Burkov <boris@bur.io>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Expand the has/get/require functions to allow passing a dev by
parameter, and implement the test_dev specific one in terms of the new
generic one.
Signed-off-by: Boris Burkov <boris@bur.io>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Avoid using the shortcut "sub" for the "subvolume" command, as this is the
standard practice because such shortcuts are not guaranteed to exist in
every btrfs-progs release (they may come and go). Also make the variables
local.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Currently, _get_max_file_size finds max file size on $TEST_DIR.
The tests/generic/692 uses this function to detect file size and
then tries to create a file on $SCRATCH_MNT.
This works fine when test and scratch filesystems have the same
block size. However, it will fail if they differ.
Make _get_max_file_size accept mount point on which to detect max
file size.
Signed-off-by: Andrey Albershteyn <aalbersh@redhat.com>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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There are two repair functions: _repair_scratch_fs() and
_repair_test_fs(). As the names suggest, these functions are designed to
repair the filesystems SCRATCH_DEV and TEST_DEV, respectively. However,
these functions never called proper comamnd for the filesystem type btrfs.
This patch fixes it. Thx.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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This function does not follow the naming convention that common helpers
must start with an underscore. Fix this.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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This helper has two parts -- querying the value, and _notrun'ing the
test if huge pages aren't turned on. Break these into the usual
_require_hugepages and _get_hugepagesize predicates so that we can adapt
xfs/559 to large folios being used for writes.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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_require_acl tests whether you're able to fetch the ACL from a file
using chacl, and then tests for an -EOPNOTSUPP error return.
Unfortunately, filesystems that don't support them (like NFSv4) just
return -ENODATA when someone calls getxattr for the POSIX ACL, so the
test doesn't work.
Fix the test to have chacl set an ACL on the file instead, which should
reliably fail on filesystems that don't support them.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Currently, we use "ls ... | sort -R | head -n1" (or tail) to choose a
random file in a directory.It sorts the files with "ls", sort it randomly
and pick the first line, which wastes the "ls" sort.
Also, using "sort -R | head -n1" is inefficient. For example, in a
directory with 1000000 files, it takes more than 15 seconds to pick a file.
$ time bash -c "ls -U | sort -R | head -n 1 >/dev/null"
bash -c "ls -U | sort -R | head -n 1 >/dev/null" 15.38s user 0.14s system 99% cpu 15.536 total
$ time bash -c "ls -U | shuf -n 1 >/dev/null"
bash -c "ls -U | shuf -n 1 >/dev/null" 0.30s user 0.12s system 138% cpu 0.306 total
So, we should just use "ls -U" and "shuf -n 1" to choose a random file.
Introduce _random_file() helper to do it properly.
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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btrfs supports creating nesting subvolumes however snapshots are not
recurive. When a snapshot is taken of a volume which contains a subvolume
the subvolume is replaced with a stub subvolume which has the same name and
uses inode number 2. This test validates that the stub volume copies
permissions of the original volume.
Signed-off-by: Lee Trager <lee@trager.us>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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The '-f' parameter is fsck.ext# specific, where it's documented to:
Force checking even if filesystem is marked clean
_repair_test_fs() is only called on _check_test_fs() failure, so
dropping the parameter should be possible without changing ext#
behaviour.
Doing so fixes _repair_test_fs() on exfat, where fsck.exfat doesn't
support '-f'.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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The filesystem configuration file does not allow you to use symlinks to
real devices given the existing sanity checks verify that the target end
device matches the source. Device mapper links work but not symlinks for
real drives do not.
Using a symlink is desirable if you want to enable persistent tests
across reboots. For example you may want to use /dev/disk/by-id/nvme-eui.*
so to ensure that the same drives are used even after reboot. This
is very useful if you are testing for example with a virtualized
environment and are using PCIe passthrough with other qemu NVMe drives
with one or many NVMe drives.
To enable support just add a helper to canonicalize devices prior to
running the tests.
This allows one test runner, kdevops, which I just extended with
support to use real NVMe drives it has support now to use nvme EUI
symlinks and fallbacks to nvme model + serial symlinks as not all
NVMe drives support EUIs. The drives it uses for the filesystem
configuration optionally is with NVMe eui symlinks so to allow
the same drives to be used over reboots.
For instance this works today with real nvme drives:
mkfs.xfs -f /dev/nvme0n1
mount /dev/nvme0n1 /mnt
TEST_DIR=/mnt TEST_DEV=/dev/nvme0n1 FSTYP=xfs ./check generic/110
FSTYP -- xfs (debug)
PLATFORM -- Linux/x86_64 flax-mtr01 6.5.0-rc3-djwx #rc3 SMP PREEMPT_DYNAMIC Wed Jul 26 14:26:48 PDT 2023
generic/110 2s
Ran: generic/110
Passed all 1 tests
But this does not:
TEST_DIR=/mnt TEST_DEV=/dev/disk/by-id/nvme-eui.0035385411904c1e FSTYP=xfs ./check generic/110
mount: /mnt: /dev/disk/by-id/nvme-eui.0035385411904c1e already mounted on /mnt.
common/rc: retrying test device mount with external set
mount: /mnt: /dev/disk/by-id/nvme-eui.0035385411904c1e already mounted on /mnt.
common/rc: could not mount /dev/disk/by-id/nvme-eui.0035385411904c1e on /mnt
umount /mnt
TEST_DIR=/mnt TEST_DEV=/dev/disk/by-id/nvme-eui.0035385411904c1e FSTYP=xfs ./check generic/110
TEST_DEV=/dev/disk/by-id/nvme-eui.0035385411904c1e is mounted but not on TEST_DIR=/mnt - aborting
Already mounted result:
/dev/disk/by-id/nvme-eui.0035385411904c1e /mnt
This fixes this. This allows the same real drives for a test to be
used over and over after reboots.
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Support collecting kernel code coverage information as reported in
debugfs. At the start of each section, we reset the gcov counters;
during the section wrapup, we'll collect the kernel gcov data.
If lcov is installed and the kernel source code is available, it will
also generate a nice html report. If a CLI web browser is available, it
will also format the html report into text for easy grepping.
This requires the test runner to set REPORT_GCOV=1 explicitly and gcov
to be enabled in the kernel.
Cc: tytso@mit.edu
Cc: kent.overstreet@linux.dev
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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I've spent a non-negligible amount of time looking into a kmemleak that
didn't exist in the code I was testing because there was an old .kmemleak
file in the results directory. I don't think this is an intended behaviour,
so I'm proposing to remove these files everytime we capture the result of a
new scan.
Signed-off-by: Luís Henriques <lhenriques@suse.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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This tests that the right xattrs are set during copy-up, and
that we properly fail on missing of erronous fs-verity digests
when validating.
We also ensure that verity=require fails if a metacopy has not
fs-verity, and doesn't do a meta-coopy-up if the base file lacks
verity.
Signed-off-by: Alexander Larsson <alexl@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Add test coverage for following metacopy from lower layer to
data-only lower layers.
Data-only lower layers are configured using the syntax:
lowerdir=<lowerdir1>:<lowerdir2>::<lowerdata1>::<lowerdata2>.
Test that lowerdata files can be followed only by absolute redirect
from lower layer.
Test that with two lowerdata dirs, we can lookup individual lowerdata
files in both, and that a shared file is resolved from the uppermost
lowerdata dir.
There is also test case for lazy-data lookups, where we remove the
lowerdata file and validate that we get metadata from the metacopy
file, but open fails.
Signed-off-by: Alexander Larsson <alexl@redhat.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Allow passing empty upperdir to _overlay_mount_dirs().
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Alexander Larsson <alexl@redhat.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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By specifying "xmlns=https://git.kernel.org/.../xfstests-dev.git",
this causes XML complaint parsers, such as the one used by the python
junitparser library, to put all of the XML elements into a namespace,
which then causes junitparser to toss its cookies.
This can be worked-around in a test runner script via:
sed -i.orig -e 's/xmlns=\".*\"//' "$RESULT_BASE/result.xml"
but it's better not to include the xmlns line at all in the first
place, since this may cause other users of fstests who are using
the Python junitparser library a lot of headaches.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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After every single test, we rewrite result.xml from scratch. This
ensures that the XML file is always in a valid, parseable state, even
if the check script is killed or the machine crashes in the middle of
a test.
If the test is being run in a Cloud VM as a "spot" (Amazon, Azure, or
GCE) or "preemptible" (Oracle) instance, the VM can be halted whenever
the Cloud provider needs the capacity for customers who are willing to
pay full price. ("Spot" instances can be 60% to 90% cheaper ---
allowing the frugal kernel developer to get up to 10 times more
testing for the same amount of money. :-)
Since a "spot" VM can get terminated at any time, it is possible for
the check script to be killed while it is in the middle of rewriting
the result.xml file. If the result.xml file is only partially
written, information regarding the tests run before VM termination
will be lost.
To address this race, write the new result.xml file as result.xml.new,
and only rename it to result.xml after the XML file is fully written
out.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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_btrfs_buffered_read_on_mirror()
[BUG]
After commit ab41f0bddb73 ("common/btrfs: use _scratch_cycle_mount to
ensure all page caches are dropped"), the test case btrfs/143 can fail
like below:
btrfs/143 6s ... [failed, exit status 1]- output mismatch (see ~/xfstests/results//btrfs/143.out.bad)
--- tests/btrfs/143.out 2020-06-10 19:29:03.818519162 +0100
+++ ~/xfstests/results//btrfs/143.out.bad 2023-06-19 17:04:00.575033899 +0100
@@ -1,37 +1,6 @@
QA output created by 143
wrote 131072/131072 bytes
XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
................
-XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
................
-XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
................
-XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
................
[CAUSE]
Test case btrfs/143 uses dm-dust device to emulate read errors, this
means we can not use _scratch_cycle_mount to cycle mount $SCRATCH_MNT.
As it would go mount $SCRATCH_DEV, not the dm-dust device to
$SCRATCH_MNT.
This prevents us to trigger read-repair (since no error would be hit)
thus fail the test.
[FIX]
Since we can mount whatever device at $SCRATCH_MNT, we can not use
_scratch_cycle_mount in this case.
Instead implement a small helper to grab the mounted device and its
mount options, and use the same device and mount options to cycle
$SCRATCH_MNT mount.
This would fix btrfs/143 and hopefully future test cases which use dm
devices.
Reported-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Due to the busybox' modprobe writes help to stderr. We need to
redirect it to stdout, or it will end up in a test results.
Signed-off-by: Stas Sergeev <stsp2@yandex.ru>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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Calling _test_mkfs on an already initialized xfs FS will fail as the
initialization is not enforced by '-f' argument, unless it's included in
MKFS_OPTIONS.
So, adding 'RECREATE_TEST_DEV=true' to the config file end up being useless
for xfs filesystems.
So, adding the a specific xfs optiong in _test_mkfs using -f argument
makes RECREATE_TEST_DEV actually useful.
Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
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