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dmu_tx_assign: make all VERIFY0 calls use DMU_TX_SUSPEND

Browse Source 
This is the cheap way to keep non-user functions working after
break-on-suspend becomes default.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Paul Dagnelie <paul.dagnelie@klarasystems.com>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Closes #17355
This commit is contained in:
Rob Norris 2024-07-09 13:59:57 +10:00 committed by Brian Behlendorf
parent 4653e2f7d3
commit 55d035e866
11 changed files with 23 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
module/zfs/dmu_redact.c
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@ -568,7 +568,7 @@ commit_rl_updates(objset_t *os, struct merge_data *md, uint64_t object,
{
dmu_tx_t *tx = dmu_tx_create_dd(spa_get_dsl(os->os_spa)->dp_mos_dir);
dmu_tx_hold_space(tx, sizeof (struct redact_block_list_node));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
uint64_t txg = dmu_tx_get_txg(tx);
if (!md->md_synctask_txg[txg & TXG_MASK]) {
dsl_sync_task_nowait(dmu_tx_pool(tx),

2
module/zfs/dsl_scan.c
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@ -1437,7 +1437,7 @@ dsl_scan_restart_resilver(dsl_pool_t *dp, uint64_t txg)
if (txg == 0) {
dmu_tx_t *tx;
tx = dmu_tx_create_dd(dp->dp_mos_dir);
VERIFY(0 == dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
txg = dmu_tx_get_txg(tx);
dp->dp_scan->scn_restart_txg = txg;

2
module/zfs/dsl_synctask.c
View File

@ -58,7 +58,7 @@ dsl_sync_task_common(const char *pool, dsl_checkfunc_t *checkfunc,
top:
tx = dmu_tx_create_dd(dp->dp_mos_dir);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
dst.dst_pool = dp;
dst.dst_txg = dmu_tx_get_txg(tx);

2
module/zfs/spa.c
View File

@ -1984,7 +1984,7 @@ static void
spa_unload_log_sm_flush_all(spa_t *spa)
{
dmu_tx_t *tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
ASSERT3U(spa->spa_log_flushall_txg, ==, 0);
spa->spa_log_flushall_txg = dmu_tx_get_txg(tx);

2
module/zfs/vdev_indirect.c
View File

@ -569,7 +569,7 @@ spa_condense_indirect_commit_entry(spa_t *spa,
dmu_tx_t *tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
dmu_tx_hold_space(tx, sizeof (*vimep) + sizeof (count));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
int txgoff = dmu_tx_get_txg(tx) & TXG_MASK;
/*

4
module/zfs/vdev_initialize.c
View File

@ -158,7 +158,7 @@ vdev_initialize_change_state(vdev_t *vd, vdev_initializing_state_t new_state)
vd->vdev_initialize_state = new_state;
dmu_tx_t *tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
if (new_state != VDEV_INITIALIZE_NONE) {
dsl_sync_task_nowait(spa_get_dsl(spa),
@ -250,7 +250,7 @@ vdev_initialize_write(vdev_t *vd, uint64_t start, uint64_t size, abd_t *data)
mutex_exit(&vd->vdev_initialize_io_lock);
dmu_tx_t *tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
uint64_t txg = dmu_tx_get_txg(tx);
spa_config_enter(spa, SCL_STATE_ALL, vd, RW_READER);

3
module/zfs/vdev_raidz.c
View File

@ -4652,7 +4652,8 @@ spa_raidz_expand_thread(void *arg, zthr_t *zthr)
dmu_tx_t *tx =
dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx,
DMU_TX_WAIT | DMU_TX_SUSPEND));
uint64_t txg = dmu_tx_get_txg(tx);
/*

6
module/zfs/vdev_rebuild.c
View File

@ -287,7 +287,7 @@ vdev_rebuild_initiate(vdev_t *vd)
ASSERT(!vd->vdev_rebuilding);
dmu_tx_t *tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
vd->vdev_rebuilding = B_TRUE;
@ -592,7 +592,7 @@ vdev_rebuild_range(vdev_rebuild_t *vr, uint64_t start, uint64_t size)
mutex_exit(&vr->vr_io_lock);
dmu_tx_t *tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
uint64_t txg = dmu_tx_get_txg(tx);
spa_config_enter(spa, SCL_STATE_ALL, vd, RW_READER);
@ -932,7 +932,7 @@ vdev_rebuild_thread(void *arg)
dsl_pool_t *dp = spa_get_dsl(spa);
dmu_tx_t *tx = dmu_tx_create_dd(dp->dp_mos_dir);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
mutex_enter(&vd->vdev_rebuild_lock);
if (error == 0) {

3
module/zfs/vdev_removal.c
View File

@ -1724,7 +1724,8 @@ again:
dmu_tx_t *tx =
dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT |
DMU_TX_SUSPEND));
uint64_t txg = dmu_tx_get_txg(tx);
/*

4
module/zfs/vdev_trim.c
View File

@ -342,7 +342,7 @@ vdev_trim_change_state(vdev_t *vd, vdev_trim_state_t new_state,
vd->vdev_trim_state = new_state;
dmu_tx_t *tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
dsl_sync_task_nowait(spa_get_dsl(spa), vdev_trim_zap_update_sync,
guid, tx);
@ -527,7 +527,7 @@ vdev_trim_range(trim_args_t *ta, uint64_t start, uint64_t size)
mutex_exit(&vd->vdev_trim_io_lock);
dmu_tx_t *tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
uint64_t txg = dmu_tx_get_txg(tx);
spa_config_enter(spa, SCL_STATE_ALL, vd, RW_READER);

12
module/zfs/zil.c
View File

@ -957,7 +957,7 @@ zil_commit_activate_saxattr_feature(zilog_t *zilog)
dmu_objset_type(zilog->zl_os) != DMU_OST_ZVOL &&
!dsl_dataset_feature_is_active(ds, SPA_FEATURE_ZILSAXATTR)) {
tx = dmu_tx_create(zilog->zl_os);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
dsl_dataset_dirty(ds, tx);
txg = dmu_tx_get_txg(tx);
@ -1003,7 +1003,7 @@ zil_create(zilog_t *zilog)
*/
if (BP_IS_HOLE(&blk) || BP_SHOULD_BYTESWAP(&blk)) {
tx = dmu_tx_create(zilog->zl_os);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
dsl_dataset_dirty(dmu_objset_ds(zilog->zl_os), tx);
txg = dmu_tx_get_txg(tx);
@ -1093,7 +1093,7 @@ zil_destroy(zilog_t *zilog, boolean_t keep_first)
return (B_FALSE);
tx = dmu_tx_create(zilog->zl_os);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT));
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_SUSPEND));
dsl_dataset_dirty(dmu_objset_ds(zilog->zl_os), tx);
txg = dmu_tx_get_txg(tx);
@ -1977,7 +1977,8 @@ next_lwb:
* Open transaction to allocate the next block pointer.
*/
dmu_tx_t *tx = dmu_tx_create(zilog->zl_os);
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_NOTHROTTLE));
VERIFY0(dmu_tx_assign(tx,
DMU_TX_WAIT | DMU_TX_NOTHROTTLE | DMU_TX_SUSPEND));
dsl_dataset_dirty(dmu_objset_ds(zilog->zl_os), tx);
uint64_t txg = dmu_tx_get_txg(tx);
@ -3456,7 +3457,8 @@ zil_commit_itx_assign(zilog_t *zilog, zil_commit_waiter_t *zcw)
* should not be subject to the dirty data based delays. We
* use DMU_TX_NOTHROTTLE to bypass the delay mechanism.
*/
VERIFY0(dmu_tx_assign(tx, DMU_TX_WAIT | DMU_TX_NOTHROTTLE));
VERIFY0(dmu_tx_assign(tx,
DMU_TX_WAIT | DMU_TX_NOTHROTTLE | DMU_TX_SUSPEND));
itx_t *itx = zil_itx_create(TX_COMMIT, sizeof (lr_t));
itx->itx_sync = B_TRUE;