Commit Graph

1146 Commits

Author SHA1 Message Date
Stéphane Lesimple
4fc1ea9c6c
zpool: fix redundancy check after vdev removal
The presence of indirect vdevs was confusing get_redundancy(), which
considered a pool with e.g. only mirror top-level vdevs and at least
one indirect vdev (due to the removal of a previous vdev) as already
having a broken redundancy, which is not the case. This lead to the
possibility of compromising the redundancy of a pool by adding
mismatched vdevs without requiring the use of `-f`, and with no
visible notice or warning.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Stéphane Lesimple <speed47_github@speed47.net>
Closes #13705
Closes #13711
2022-08-04 17:02:57 -07:00
Umer Saleem
9681de4657
Add snapshots_changed as property
Make dd_snap_cmtime property persistent across mount and unmount
operations by storing in ZAP and restore the value from ZAP on hold
into dd_snap_cmtime instead of updating it.

Expose dd_snap_cmtime as 'snapshots_changed' property that provides a
mechanism to quickly determine whether snapshot list for dataset has
changed without having to mount a dataset or iterate the snapshot list.

It specifies the time at which a snapshot for a dataset was last
created or deleted. This allows us to be more efficient how often we
query snapshots.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Umer Saleem <usaleem@ixsystems.com>
Closes #13635
2022-08-02 16:45:30 -07:00
Alek P
e8cf3a4f76
Implement a new type of zfs receive: corrective receive (-c)
This type of recv is used to heal corrupted data when a replica
of the data already exists (in the form of a send file for example).
With the provided send stream, corrective receive will read from
disk blocks described by the WRITE records. When any of the reads
come back with ECKSUM we use the data from the corresponding WRITE
record to rewrite the corrupted block.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Paul Zuchowski <pzuchowski@datto.com>
Signed-off-by: Alek Pinchuk <apinchuk@axcient.com>
Closes #9372
2022-07-28 15:52:46 -07:00
Brian Behlendorf
34aa0f0487
ZTS: Fix io_uring support check
Not all Linux distribution kernels enable io_uring support by
default.  Update the run time check to verify that the booted
kernel was built with CONFIG_IO_URING=y.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com>
Co-authored-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13648
Closes #13685
2022-07-26 14:39:23 -07:00
Brian Behlendorf
8792dd24cd
ZTS: Fix occasional inherit_001_pos.ksh failure
The mountpoint may still be busy when the `zfs unmount -a` command
is run causing an unexpected failure.  Retry the unmount a couple
of times since it should not remain busy for long.

    19:10:50.29 NOTE: Reading state from .../inheritance/state021.cfg
    19:10:50.32 cannot unmount '/TESTPOOL': pool or dataset is busy
    19:10:50.32 ERROR: zfs unmount -a exited 1

Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13686
2022-07-25 09:52:42 -07:00
Tino Reichardt
1d3ba0bf01
Replace dead opensolaris.org license link
The commit replaces all findings of the link:
http://www.opensolaris.org/os/licensing with this one:
https://opensource.org/licenses/CDDL-1.0

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de>
Closes #13619
2022-07-11 14:16:13 -07:00
наб
a2f6bff976 tests: modernise zdb_decompress
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13348
2022-06-29 14:08:59 -07:00
наб
a926aab902 Enable -Wwrite-strings
Also, fix leak from ztest_global_vars_to_zdb_args()

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13348
2022-06-29 14:08:54 -07:00
Brian Behlendorf
ad8b9f940c
Scrub mirror children without BPs
When scrubbing a raidz/draid pool, which contains a replacing or
sparing mirror with multiple online children, only one child will
be read.  This is not normally a serious concern because the DTL
records are used to determine where a good copy of the data is.
As long as the data can be read from one child the mirror vdev
will use it to repair gaps in any of its children.  Furthermore,
even if the data which was read is corrupt the raidz code will
detect this and issue its own repair I/O to correct the damage
in the mirror vdev.

However, in the scenario where the DTL is wrong due to silent
data corruption (say due to overwriting one child) and the scrub
happens to read from a child with good data, then the other damaged
mirror child will not be detected nor repaired.

While this is possible for both raidz and draid vdevs, it's most
pronounced when using draid.  This is because by default the zed
will sequentially rebuild a draid pool to a distributed spare,
and the distributed spare half of the mirror is always preferred
since it delivers better performance.  This means the damaged
half of the mirror will go undetected even after scrubbing.

For system administrations this behavior is non-intuitive and in
a worst case scenario could result in the only good copy of the
data being unknowingly detached from the mirror.

This change resolves the issue by reading all replacing/sparing
mirror children when scrubbing.  When the BP isn't available for
verification, then compare the data buffers from each child.  They
must all be identical, if not there's silent damage and an error
is returned to prompt the top-level vdev to issue a repair I/O to
rewrite the data on all of the mirror children.  Since we can't
tell which child was wrong a checksum error is logged against the
replacing or sparing mirror vdev.

Reviewed-by: Mark Maybee <mark.maybee@delphix.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13555
2022-06-23 10:36:28 -07:00
Will Andrews
4ed5e25074 Add Linux namespace delegation support
This allows ZFS datasets to be delegated to a user/mount namespace
Within that namespace, only the delegated datasets are visible
Works very similarly to Zones/Jailes on other ZFS OSes

As a user:
```
 $ unshare -Um
 $ zfs list
no datasets available
 $ echo $$
1234
```

As root:
```
 # zfs list
NAME                            ZONED  MOUNTPOINT
containers                      off    /containers
containers/host                 off    /containers/host
containers/host/child           off    /containers/host/child
containers/host/child/gchild    off    /containers/host/child/gchild
containers/unpriv               on     /unpriv
containers/unpriv/child         on     /unpriv/child
containers/unpriv/child/gchild  on     /unpriv/child/gchild

 # zfs zone /proc/1234/ns/user containers/unpriv
```

Back to the user namespace:
```
 $ zfs list
NAME                             USED  AVAIL     REFER  MOUNTPOINT
containers                       129M  47.8G       24K  /containers
containers/unpriv                128M  47.8G       24K  /unpriv
containers/unpriv/child          128M  47.8G      128M  /unpriv/child
```

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Will Andrews <will.andrews@klarasystems.com>
Signed-off-by: Allan Jude <allan@klarasystems.com>
Signed-off-by: Mateusz Piotrowski <mateusz.piotrowski@klarasystems.com>
Co-authored-by: Allan Jude <allan@klarasystems.com>
Co-authored-by: Mateusz Piotrowski <mateusz.piotrowski@klarasystems.com>
Sponsored-by: Buddy <https://buddy.works>
Closes #12263
2022-06-10 09:51:46 -07:00
Tony Hutter
6f73d02168
zvol: Support blk-mq for better performance
Add support for the kernel's block multiqueue (blk-mq) interface in
the zvol block driver.  blk-mq creates multiple request queues on
different CPUs rather than having a single request queue.  This can
improve zvol performance with multithreaded reads/writes.

This implementation uses the blk-mq interfaces on 4.13 or newer
kernels.  Building against older kernels will fall back to the
older BIO interfaces.

Note that you must set the `zvol_use_blk_mq` module param to
enable the blk-mq API.  It is disabled by default.

In addition, this commit lets the zvol blk-mq layer process whole
`struct request` IOs at a time, rather than breaking them down
into their individual BIOs.  This reduces dbuf lock contention
and overhead versus the legacy zvol submit_bio() codepath.

	sequential dd to one zvol, 8k volblocksize, no O_DIRECT:

	legacy submit_bio()     292MB/s write  453MB/s read
	this commit             453MB/s write  885MB/s read

It also introduces a new `zvol_blk_mq_chunks_per_thread` module
parameter. This parameter represents how many volblocksize'd chunks
to process per each zvol thread.  It can be used to tune your zvols
for better read vs write performance (higher values favor write,
lower favor read).

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #13148
Issue #12483
2022-06-09 08:10:38 -06:00
Tino Reichardt
985c33b132
Introduce BLAKE3 checksums as an OpenZFS feature
This commit adds BLAKE3 checksums to OpenZFS, it has similar
performance to Edon-R, but without the caveats around the latter.

Homepage of BLAKE3: https://github.com/BLAKE3-team/BLAKE3
Wikipedia: https://en.wikipedia.org/wiki/BLAKE_(hash_function)#BLAKE3

Short description of Wikipedia:

  BLAKE3 is a cryptographic hash function based on Bao and BLAKE2,
  created by Jack O'Connor, Jean-Philippe Aumasson, Samuel Neves, and
  Zooko Wilcox-O'Hearn. It was announced on January 9, 2020, at Real
  World Crypto. BLAKE3 is a single algorithm with many desirable
  features (parallelism, XOF, KDF, PRF and MAC), in contrast to BLAKE
  and BLAKE2, which are algorithm families with multiple variants.
  BLAKE3 has a binary tree structure, so it supports a practically
  unlimited degree of parallelism (both SIMD and multithreading) given
  enough input. The official Rust and C implementations are
  dual-licensed as public domain (CC0) and the Apache License.

Along with adding the BLAKE3 hash into the OpenZFS infrastructure a
new benchmarking file called chksum_bench was introduced.  When read
it reports the speed of the available checksum functions.

On Linux: cat /proc/spl/kstat/zfs/chksum_bench
On FreeBSD: sysctl kstat.zfs.misc.chksum_bench

This is an example output of an i3-1005G1 test system with Debian 11:

implementation      1k      4k     16k     64k    256k      1m      4m
edonr-generic     1196    1602    1761    1749    1762    1759    1751
skein-generic      546     591     608     615     619     612     616
sha256-generic     240     300     316     314     304     285     276
sha512-generic     353     441     467     476     472     467     426
blake3-generic     308     313     313     313     312     313     312
blake3-sse2        402    1289    1423    1446    1432    1458    1413
blake3-sse41       427    1470    1625    1704    1679    1607    1629
blake3-avx2        428    1920    3095    3343    3356    3318    3204
blake3-avx512      473    2687    4905    5836    5844    5643    5374

Output on Debian 5.10.0-10-amd64 system: (Ryzen 7 5800X)

implementation      1k      4k     16k     64k    256k      1m      4m
edonr-generic     1840    2458    2665    2719    2711    2723    2693
skein-generic      870     966     996     992    1003    1005    1009
sha256-generic     415     442     453     455     457     457     457
sha512-generic     608     690     711     718     719     720     721
blake3-generic     301     313     311     309     309     310     310
blake3-sse2        343    1865    2124    2188    2180    2181    2186
blake3-sse41       364    2091    2396    2509    2463    2482    2488
blake3-avx2        365    2590    4399    4971    4915    4802    4764

Output on Debian 5.10.0-9-powerpc64le system: (POWER 9)

implementation      1k      4k     16k     64k    256k      1m      4m
edonr-generic     1213    1703    1889    1918    1957    1902    1907
skein-generic      434     492     520     522     511     525     525
sha256-generic     167     183     187     188     188     187     188
sha512-generic     186     216     222     221     225     224     224
blake3-generic     153     152     154     153     151     153     153
blake3-sse2        391    1170    1366    1406    1428    1426    1414
blake3-sse41       352    1049    1212    1174    1262    1258    1259

Output on Debian 5.10.0-11-arm64 system: (Pi400)

implementation      1k      4k     16k     64k    256k      1m      4m
edonr-generic      487     603     629     639     643     641     641
skein-generic      271     299     303     308     309     309     307
sha256-generic     117     127     128     130     130     129     130
sha512-generic     145     165     170     172     173     174     175
blake3-generic      81      29      71      89      89      89      89
blake3-sse2        112     323     368     379     380     371     374
blake3-sse41       101     315     357     368     369     364     360

Structurally, the new code is mainly split into these parts:
- 1x cross platform generic c variant: blake3_generic.c
- 4x assembly for X86-64 (SSE2, SSE4.1, AVX2, AVX512)
- 2x assembly for ARMv8 (NEON converted from SSE2)
- 2x assembly for PPC64-LE (POWER8 converted from SSE2)
- one file for switching between the implementations

Note the PPC64 assembly requires the VSX instruction set and the
kfpu_begin() / kfpu_end() calls on PowerPC were updated accordingly.

Reviewed-by: Felix Dörre <felix@dogcraft.de>
Reviewed-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de>
Co-authored-by: Rich Ercolani <rincebrain@gmail.com>
Closes #10058
Closes #12918
2022-06-08 15:55:57 -07:00
Brian Behlendorf
d98a67a53a
Replace EXTRA_DIST with dist_noinst_DATA
The EXTRA_DIST variable is ignored when used in the FALSE conditional
of a Makefile.am.  This results in the `make dist` target omitting
these files from the generated tarball unless CONFIG_USER is defined.
This issue can be avoided by switching to use the dist_noinst_DATA
variable which is handled as expected by autoconf.

This change also adds support for --with-config=dist as an alias
for --with-config=srpm and updates the GitHub workflows to use it.

Reviewed-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13459
Closes #13505
2022-05-26 09:24:50 -07:00
наб
7506f5af92 Add make regen-tests to regenerate the test bundle
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13447
2022-05-18 12:10:09 -07:00
наб
88d5580e51 tests: add zfs_unshare_008_pos checking whitespace escaping
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13165
2022-05-12 09:27:00 -07:00
наб
951a3889d1 tests: many_fds: simplify, modernise
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13411
2022-05-11 10:33:12 -07:00
Brian Atkinson
f567d67fda
Adding ZTS test for O_APPEND
Commit 63b18e4 fixed an issue in zpl_aio_write() to make sure that
kiocb->ki_pos was updated correctly when opening a file with O_APPEND.
Adding a test to verify O_APPEND functionality with lseek can make
sure that all other distros/kernel versions also have the correct
behavior.

Also moved the threadappends_001_pos test into this append test
directory in functional ZTS directory. This way the two append tests
are together for organization purposes.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Brian Atkinson <batkinson@lanl.gov>
Closes #13424
2022-05-11 08:38:16 -07:00
наб
ea04cc4a22 autoconf: use include directives instead of recursing down test data
We drop /multiple/ seconds off the generation, a dozen off a clean
rebuild, 185 files, and trivialise the distribution,
which can now be trivially generated via the provided snippets

Dist diff:
  -zfs-2.1.99/tests/zfs-tests/tests/functional/pam/utilities.kshlib
  +zfs-2.1.99/tests/zfs-tests/tests/functional/pam/utilities.kshlib.in

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13316
2022-05-10 10:20:19 -07:00
наб
0425d58852 autoconf: use include directives instead of recursing down tests (mostly)
Only down to tests/zfs-tests/tests, but pull out C programs into the
main Makefile ‒ this means we get correct dependency tracking for all
programs (and parallelise across them)

dist diff:
  -zfs-2.1.99/tests/zfs-tests/tests/stress/
  -zfs-2.1.99/tests/zfs-tests/tests/stress/Makefile.am
  -zfs-2.1.99/tests/zfs-tests/tests/stress/Makefile.in

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13316
2022-05-10 10:20:09 -07:00
наб
48f4379974 autoconf: use include directives instead of recursing down etc
dist diff:
  -zfs-2.1.99/etc/systemd/system/50-zfs.preset.in
  +zfs-2.1.99/etc/systemd/system/50-zfs.preset

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13316
2022-05-10 10:19:58 -07:00
наб
93a8c85e7b Move test-runner.1 into top-level man/
dist delta:
  +zfs-2.1.99/man/man1/test-runner.1
  -zfs-2.1.99/tests/test-runner/man/
  -zfs-2.1.99/tests/test-runner/man/test-runner.1

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13316
2022-05-10 10:19:18 -07:00
наб
0f6c4fd00e autoconf: use include directives instead of recursing down man
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13316
2022-05-10 10:19:10 -07:00
наб
5cdca5b1da autoconf: use include directives instead of recursing down cmd
No installation diff, dist lost
  -zfs-2.1.99/cmd/fsck_zfs/fsck.zfs
which was distributed erroneously, since it's generated

Also clean gitrev on clean

Also add -e 'any possible bashisms' to default checkbashisms flags,
and fully parallelise it and shellcheck, and it works out-of-tree, too

Also align the Release in the dist META file correctly

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13316
2022-05-10 10:18:38 -07:00
наб
c8970f52ed autoconf: use include directives instead of recursing down lib
As a bonus, this also adds zfs-mount-generator (previously undescended
down) and libzstd (not included) to CppCheck

As a bonus bonus, abigail rules work out-of-tree, too

Against current trunk:
  $ diff -U0 ./destdir.listing ~/store/code/zfs/destdir.listing
  -destdir/usr/local/include/libspl/sscanf.h

  $ diff --color -U0 ./zfs-2.1.99.tar.gz.listing ../oot/zfs-2.1.99.tar.gz.listing | grep -v @@ | grep -v /Makefile
  -zfs-2.1.99/config/Abigail.am
  -zfs-2.1.99/lib/libspl/include/util/
  -zfs-2.1.99/lib/libspl/include/util/sscanf.h

  $ diff --color -U0 ./zfs-2.1.99.tar.gz.listing ../oot/zfs-2.1.99.tar.gz.listing | grep -v @@ | grep /Makefile
  -zfs-2.1.99/lib/libavl/Makefile.in
  -zfs-2.1.99/lib/libefi/Makefile.in
  -zfs-2.1.99/lib/libicp/Makefile.in
  -zfs-2.1.99/lib/libnvpair/Makefile.in
  -zfs-2.1.99/lib/libshare/Makefile.in
  -zfs-2.1.99/lib/libspl/include/Makefile.in
  -zfs-2.1.99/lib/libspl/include/os/freebsd/Makefile.am
  -zfs-2.1.99/lib/libspl/include/os/freebsd/Makefile.in
  -zfs-2.1.99/lib/libspl/include/os/freebsd/sys/Makefile.am
  -zfs-2.1.99/lib/libspl/include/os/freebsd/sys/Makefile.in
  -zfs-2.1.99/lib/libspl/include/os/linux/Makefile.am
  -zfs-2.1.99/lib/libspl/include/os/linux/Makefile.in
  -zfs-2.1.99/lib/libspl/include/os/linux/sys/Makefile.am
  -zfs-2.1.99/lib/libspl/include/os/linux/sys/Makefile.in
  -zfs-2.1.99/lib/libspl/include/os/Makefile.am
  -zfs-2.1.99/lib/libspl/include/os/Makefile.in
  -zfs-2.1.99/lib/libspl/include/rpc/Makefile.am
  -zfs-2.1.99/lib/libspl/include/rpc/Makefile.in
  -zfs-2.1.99/lib/libspl/include/sys/dktp/Makefile.am
  -zfs-2.1.99/lib/libspl/include/sys/dktp/Makefile.in
  -zfs-2.1.99/lib/libspl/include/sys/Makefile.am
  -zfs-2.1.99/lib/libspl/include/sys/Makefile.in
  -zfs-2.1.99/lib/libspl/include/util/Makefile.am
  -zfs-2.1.99/lib/libspl/include/util/Makefile.in
  -zfs-2.1.99/lib/libspl/Makefile.in
  -zfs-2.1.99/lib/libtpool/Makefile.in
  -zfs-2.1.99/lib/libunicode/Makefile.in
  -zfs-2.1.99/lib/libuutil/Makefile.in
  -zfs-2.1.99/lib/libzfsbootenv/Makefile.in
  -zfs-2.1.99/lib/libzfs_core/Makefile.in
  -zfs-2.1.99/lib/libzfs/Makefile.in
  -zfs-2.1.99/lib/libzpool/Makefile.in
  -zfs-2.1.99/lib/libzstd/Makefile.in
  -zfs-2.1.99/lib/libzutil/Makefile.in
  -zfs-2.1.99/lib/Makefile.in

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13316
2022-05-10 10:18:11 -07:00
Shaan Nobee
411f4a018d
Speed up WB_SYNC_NONE when a WB_SYNC_ALL occurs simultaneously
Page writebacks with WB_SYNC_NONE can take several seconds to complete 
since they wait for the transaction group to close before being 
committed. This is usually not a problem since the caller does not 
need to wait. However, if we're simultaneously doing a writeback 
with WB_SYNC_ALL (e.g via msync), the latter can block for several 
seconds (up to zfs_txg_timeout) due to the active WB_SYNC_NONE 
writeback since it needs to wait for the transaction to complete 
and the PG_writeback bit to be cleared.

This commit deals with 2 cases:

- No page writeback is active. A WB_SYNC_ALL page writeback starts 
  and even completes. But when it's about to check if the PG_writeback 
  bit has been cleared, another writeback with WB_SYNC_NONE starts. 
  The sync page writeback ends up waiting for the non-sync page 
  writeback to complete.

- A page writeback with WB_SYNC_NONE is already active when a 
  WB_SYNC_ALL writeback starts. The WB_SYNC_ALL writeback ends up 
  waiting for the WB_SYNC_NONE writeback.

The fix works by carefully keeping track of active sync/non-sync 
writebacks and committing when beneficial.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Shaan Nobee <sniper111@gmail.com>
Closes #12662
Closes #12790
2022-05-03 13:23:26 -07:00
Rich Ercolani
f2330bd156
Default zfs_max_recordsize to 16M
Increase the default allowed maximum recordsize from 1M to 16M.
As described in the zfs(4) man page, there are significant costs
which need to be considered before using very large blocks.
However, there are scenarios where they make good sense and
it should no longer be necessary to artificially restrict their
use behind a module option.

Note that for 32-bit platforms we continue to leave this
restriction in place due to the limited virtual address space
available (256-512MB).  On these systems only a handful
of blocks could be cached at any one time severely impacting
performance and potentially stability.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Rich Ercolani <rincebrain@gmail.com>
Closes #12830
Closes #13302
2022-04-28 15:12:24 -07:00
George Amanakis
0409d33273
Improve zpool status output, list all affected datasets
Currently, determining which datasets are affected by corruption is
a manual process.

The primary difficulty in reporting the list of affected snapshots is
that since the error was initially found, the snapshot where the error
originally occurred in, may have been deleted. To solve this issue, we
add the ID of the head dataset of the original snapshot which the error
was detected in, to the stored error report. Then any time a filesystem
is deleted, the errors associated with it are deleted as well. Any time
a clone promote occurs, we modify reports associated with the original
head to refer to the new head. The stored error reports are identified
by this head ID, the birth time of the block which the error occurred
in, as well as some information about the error itself are also stored.

Once this information is stored, we can find the set of datasets
affected by an error by walking back the list of snapshots in the given
head until we find one with the appropriate birth txg, and then traverse
through the snapshots of the clone family, terminating a branch if the
block was replaced in a given snapshot. Then we report this information
back to libzfs, and to the zpool status command, where it is displayed
as follows:

 pool: test
 state: ONLINE
status: One or more devices has experienced an error resulting in data
        corruption.  Applications may be affected.
action: Restore the file in question if possible.  Otherwise restore the
        entire pool from backup.
   see: https://openzfs.github.io/openzfs-docs/msg/ZFS-8000-8A
  scan: scrub repaired 0B in 00:00:00 with 800 errors on Fri Dec  3
08:27:57 2021
config:

        NAME        STATE     READ WRITE CKSUM
        test        ONLINE       0     0     0
          sdb       ONLINE       0     0 1.58K

errors: Permanent errors have been detected in the following files:

        test@1:/test.0.0
        /test/test.0.0
        /test/1clone/test.0.0

A new feature flag is introduced to mark the presence of this change, as
well as promotion and backwards compatibility logic. This is an updated
version of #9175. Rebase required fixing the tests, updating the ABI of
libzfs, updating the man pages, fixing bugs, fixing the error returns,
and updating the old on-disk error logs to the new format when
activating the feature.

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Mark Maybee <mark.maybee@delphix.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Co-authored-by: TulsiJain <tulsi.jain@delphix.com>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #9175
Closes #12812
2022-04-25 17:25:42 -07:00
наб
95146fd7ba tests: cli_user: zfs_001_neg: print the problematic lines
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13352
2022-04-25 12:49:56 -07:00
Rich Ercolani
b657f2c592
Corrected oversight in ZERO_RANGE behavior
It turns out, no, in fact, ZERO_RANGE and PUNCH_HOLE do
have differing semantics in some ways - in particular,
one requires KEEP_SIZE, and the other does not.

Also added a zero-range test to catch this, corrected a flaw
that made the punch-hole test succeed vacuously, and a typo
in file_write.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rich Ercolani <rincebrain@gmail.com>
Closes #13329 
Closes #13338
2022-04-20 16:07:03 -07:00
наб
ad9e767657 linux: module: weld all but spl.ko into zfs.ko
Originally it was thought it would be useful to split up the kmods
by functionality.  This would allow external consumers to only load
what was needed.  However, in practice we've never had a case where
this functionality would be needed, and conversely managing multiple
kmods can be awkward.  Therefore, this change merges all but the
spl.ko kmod in to a single zfs.ko kmod.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13274
2022-04-20 13:28:24 -07:00
наб
63cb3413ea tests: cmd: draid: remove unused and undocumented -v
Found with -Wunused-but-set-variable on Clang trunk

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13304
2022-04-13 11:36:29 -07:00
Brian Behlendorf
3d149db1f3 ZTS: Retry auto_spare_multiple.ksh
The auto_spare_multiple.ksh test may incorrectly fail for a similar
reason as the auto_spare_shared.ksh test.  Add it to known list of
exceptions which should be retried to prevent failures in the CI.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13318
2022-04-13 09:44:54 -07:00
Brian Behlendorf
5846f71182 ZTS: Retry redundancy_draid_spare[1,3].ksh
The redundancy_draid_spare1.ksh and redundancy_draid_spare3.ksh test
cases are a little to strict for the sequential resilver case.  While
unlikely it is possible that a handful of correctable checksum errors
will be reported resulting in a test failure.  Update the zts-report.py
script to allow this the test case to be retried if requested.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13318
2022-04-13 09:44:33 -07:00
наб
533aef2b3c tests: zts-report: add #13215 to known list for FreeBSD
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:03:32 -07:00
наб
e78b7a73fe tests: zts-report: issue numbers are numbers
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:03:27 -07:00
наб
6ef2151c80 tests: clean out more temporary files
What remains is a bunch of anonymous untraceable /tmp/tmp.XXXXXXXXXX
files and bak.root.receive.staff1.3835 from an error branch, testdir.1,
testdir.3, and testroot454470 (with children) in testroot

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:03:21 -07:00
наб
fbe811b054 tests: remove unused functions
As found by
  git -C tests/ grep ^function | grep -vFe '.lua:' -e '.zcp:' | while IFS=":$IFS" read -r _ _ fn _; do [ $(git -C tests/ grep -wF $fn | head -2 | wc -l) -eq 1 ] && echo $fn; done
after all rounds this comes out to, sorted:
  check_slog_state
  chgusr_exec
  cksum_files
  cleanup_pools
  compare_modes
  count_ACE
  dataset_set_defaultproperties
  ds_is_snapshot
  get_ACE
  get_group
  get_min
  get_mode
  get_owner
  get_rand_checksum
  get_rand_checksum_any
  get_rand_large_recsize
  get_rand_recsize
  get_user_group
  getitem
  indirect_vdev_mapping_size
  is_dilos
  log_noresult
  log_notinuse
  log_other
  log_timed_out
  log_uninitiated
  log_warning
  num_jobs_by_cpu
  plus_sign_check_l
  plus_sign_check_v
  record_cksum
  rwx_node
  seconds_mmp_waits_for_activity
  set_cur_usr
  setup_mirrors
  setup_raidzs
  showshares_smb
  zfs_zones_setup

This, of course, doesn't catch recursive ones, or ones that log with
their own function name as a prefix, but

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:03:05 -07:00
наб
5c9f744b1a tests: include: use already-set $UNAME instead of shelling out to uname each time
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:02:59 -07:00
наб
ff0fc5af12 tests: pam: use absolute path to module .so
This is a valid configuration and both (a) skips the tests if it's
unbuilt/not installed and (b) makes it work even if installed outside
the system directory (like in /u/l/l/s instead of /l/s)

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:02:54 -07:00
наб
7b6c4cbb1f tests: zts-report: simplify
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:02:48 -07:00
наб
abccb4b584 tests: zts-report: prune unused reasons
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:02:43 -07:00
наб
6b2616435b tests: zts-report: only known-SKIP zfs_unshare_002_pos on Linux
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:02:36 -07:00
наб
34abca3e2c tests: zfs_003_neg: handle failures correctly
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:02:19 -07:00
наб
61f1502246 tests: zfs_share_005: don't fail open
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:02:14 -07:00
наб
b1b5843ae4 tests: lua_core: use herewords for single-line programs
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:02:03 -07:00
наб
598fed7ecd tests: revert back to original coredump patterns on Linux, too
Otherwise, they leak past the tests and contaminate the running system,
breaking coredumps entirely

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Co-authored-by: Yannick Le Pennec <yannick.lepennec@live.fr>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:01:51 -07:00
наб
912d2aa7d7 tests: zdb_args_pos.ksh: fix indentation
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:01:46 -07:00
наб
20093de25c tests: move C test helpers into test cmd
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:01:39 -07:00
наб
1948f6dbbf tests: echo-with-arguments review
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259
2022-04-01 18:01:31 -07:00
наб
b1579689a9 tests: rsend/send-c_props: make it chooch
Original error:
23:47:40.59 SUCCESS: eval zfs receive -dFv testpool2 < /mnt/testroot/backdir-rsend/pool-final-p
23:47:40.61 1,23d0
23:47:40.61 < type      filesystem      -
23:47:40.61 < origin    POOL@psnap      -
23:47:40.61 < volblocksize      -       -
23:47:40.61 < acltype   nfsv4   inherited from POOL
23:47:40.61 < dnodesize legacy  inherited from POOL
23:47:40.61 < atime     off     local
23:47:40.61 < canmount  off     local
23:47:40.61 < checksum  off     local
23:47:40.61 < compression       off     local
23:47:40.61 < copies    3       local
23:47:40.61 < devices   off     local
23:47:40.61 < exec      off     local
23:47:40.61 < quota     none    default
23:47:40.61 < readonly  on      local
23:47:40.61 < recordsize        128K    local
23:47:40.61 < reservation       none    default
23:47:40.61 < setuid    off     local
23:47:40.61 < snapdir   hidden  local
23:47:40.61 < version   5       -
23:47:40.61 < volsize   -       -
23:47:40.61 < xattr     off     local
23:47:40.61 < mountpoint        /PREFIX inherited from POOL
23:47:40.61 < jailed    on      local
23:47:40.62 cannot open 'testpool2/pclone': dataset does not exist
23:47:40.62 ERROR: cmp_ds_prop testpool/pclone testpool2/pclone exited 1

So: (a) actually send all the datasets in -p mode and
    (b) drop origin for clones sent with -p:

00:38:05.46 SUCCESS: eval zfs receive -dFv testpool2 < /mnt/testroot/backdir-rsend/pool-final-p
00:38:05.48 2c2
00:38:05.48 < origin    POOL@psnap
00:38:05.48 ---
00:38:05.48 > origin    POOL
00:38:05.49 ERROR: cmp_ds_prop testpool/pclone testpool2/pclone nosource exited 1

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13250
Closes #13259
2022-04-01 18:01:16 -07:00