mirror_zfs/include/sys
Paul Dagnelie fbac52e1e9 Fix FDT rollback to not overwrite unnecessary fields (#17205)
When a dedup write fails, we try to roll the DDT entry back to a known
good state. However, this also rolls the refcounts and the last-update
time back to the state they were at when we started this write. This
doesn't appear to be able to cause any refcount leaks (after the fix in
17123). This PR prevents that from happening by only rolling back the
parts of the DDT entry that have been updated by the write so far.

Sponsored-by: iXsystems, Inc.
Sponsored-by: Klara, Inc.

Signed-off-by: Paul Dagnelie <paul.dagnelie@klarasystems.com>
Co-authored-by: Paul Dagnelie <paul.dagnelie@klarasystems.com>

Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
2025-04-16 09:59:45 -07:00
..
crypto SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
fm SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
fs SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
lua SPDX: license tags: MIT 2025-04-16 09:59:44 -07:00
sysevent SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
zstd SPDX: license tags: BSD-3-Clause 2025-04-16 09:59:44 -07:00
abd_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
abd.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
aggsum.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
arc_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
arc.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
asm_linkage.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
avl_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
avl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
bitmap.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
bitops.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
blake3.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
blkptr.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
bplist.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
bpobj.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
bptree.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
bqueue.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
brt_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
brt.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
btree.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
dataset_kstats.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
dbuf.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
ddt_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
ddt.h Fix FDT rollback to not overwrite unnecessary fields (#17205) 2025-04-16 09:59:45 -07:00
dmu_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
dmu_objset.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
dmu_recv.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
dmu_redact.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
dmu_send.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
dmu_traverse.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
dmu_tx.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
dmu_zfetch.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
dmu.h dmu_tx: rename dmu_tx_assign() flags from TXG_* to DMU_TX_* (#17143) 2025-04-16 09:59:45 -07:00
dnode.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
dsl_bookmark.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
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mod.h SPDX: license tags: GPL-2.0-or-later 2025-04-16 09:59:44 -07:00
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nvpair_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
nvpair.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
objlist.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
pathname.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
qat.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
range_tree.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
rrwlock.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
sa_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
sa.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
sha2.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
skein.h SPDX: license tags: LicenseRef-OpenZFS-ThirdParty-PublicDomain 2025-04-16 09:59:45 -07:00
spa_checkpoint.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
spa_checksum.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
spa_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
spa_log_spacemap.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
spa.h zed: Ensure spare activation after kernel-initiated device removal 2025-04-16 09:59:45 -07:00
space_map.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
space_reftree.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
sysevent.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
txg_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
txg.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
u8_textprep_data.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
u8_textprep.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
uberblock_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
uberblock.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
uio_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
unique.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
uuid.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev_disk.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev_draid.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev_file.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev_indirect_births.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev_indirect_mapping.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev_initialize.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev_raidz_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev_raidz.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev_rebuild.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev_removal.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev_trim.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
vdev.h Fix dspace underflow bug 2025-04-16 09:59:45 -07:00
xvattr.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
zap_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
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zcp.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
zfeature.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
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zfs_fuid.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
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zfs_ioctl_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
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zfs_refcount.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
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zfs_znode.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
zil_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
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zio_checksum.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
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zio_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
zio.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
zrlock.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
zthr.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
zvol_impl.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
zvol.h SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00