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Add warning for external consumers of dmu_tx_callback_register #16698

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merged 1 commit into from
Oct 31, 2024
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Add warning for external consumers of dmu_tx_callback_register #16698

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7 changes: 7 additions & 0 deletions module/zfs/dmu_tx.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1377,6 +1377,13 @@ dmu_tx_pool(dmu_tx_t *tx)
return (tx->tx_pool);
}

/*
* Register a callback to be executed at the end of a TXG.
*
* Note: This currently exists for outside consumers, specifically the ZFS OSD
* for Lustre. Please do not remove before checking that project. For examples
* on how to use this see `ztest_commit_callback`.
*/
void
dmu_tx_callback_register(dmu_tx_t *tx, dmu_tx_callback_func_t *func, void *data)
{
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