zfs/man/man4
Tony Hutter aefb6a2bd6
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 08:57:48 -07:00
..
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 08:57:48 -07:00