Tony Hutter a80e1f1c90 zvol: Temporally disable blk-mq ... There was a report of zvol data loss (#15351) after enabling blk-mq on a zvol backed with 16k physical block sized disks. Out of an abundance of caution, do not allow the user to enable blk-mq until we can look into the issue. Note that blk-mq was not enabled by default on zvols. It was always opt-in via the zvol_use_blk_mq module parameter. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com> Signed-off-by: Tony Hutter <hutter2@llnl.gov> Addresses: #15351 Closes #15378		2023-10-10 19:19:09 -07:00
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spl.4	Add a delay to tearing down threads.	2023-06-26 13:57:12 -07:00
zfs.4	zvol: Temporally disable blk-mq	2023-10-10 19:19:09 -07:00