diff options
| author | Damien Le Moal <dlemoal@kernel.org> | 2024-12-09 13:23:55 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-12-10 17:15:33 +0100 |
| commit | 5eb3317aa5a2ffe4574ab1a12cf9bc9447ca26c0 (patch) | |
| tree | 4da37e4ac348916c63c5bceb51b0b8fbef4ffca1 /kernel/Kconfig.preempt | |
| parent | block: Use a zone write plug BIO work for REQ_NOWAIT BIOs (diff) | |
| download | linux-5eb3317aa5a2ffe4574ab1a12cf9bc9447ca26c0.tar.xz linux-5eb3317aa5a2ffe4574ab1a12cf9bc9447ca26c0.zip | |
block: Ignore REQ_NOWAIT for zone reset and zone finish operations
There are currently any issuer of REQ_OP_ZONE_RESET and
REQ_OP_ZONE_FINISH operations that set REQ_NOWAIT. However, as we cannot
handle this flag correctly due to the potential request allocation
failure that may happen in blk_mq_submit_bio() after blk_zone_plug_bio()
has handled the zone write plug write pointer updates for the targeted
zones, modify blk_zone_wplug_handle_reset_or_finish() to warn if this
flag is set and ignore it.
Fixes: dd291d77cc90 ("block: Introduce zone write plugging")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20241209122357.47838-3-dlemoal@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'kernel/Kconfig.preempt')
0 files changed, 0 insertions, 0 deletions