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author | Damien Le Moal <dlemoal@kernel.org> | 2024-02-22 16:17:23 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-03 16:19:27 +0300 |
commit | 5ea241b1931f368096856d4d8c6f653392370b17 (patch) | |
tree | 21334304701a4e7f9e16e0b68db72907a8a0ce86 /block | |
parent | 719d7f899df48d662af6c2d36b253934fe9c5040 (diff) | |
download | linux-5ea241b1931f368096856d4d8c6f653392370b17.tar.xz |
block: Clear zone limits for a non-zoned stacked queue
[ Upstream commit c8f6f88d25929ad2f290b428efcae3b526f3eab0 ]
Device mapper may create a non-zoned mapped device out of a zoned device
(e.g., the dm-zoned target). In such case, some queue limit such as the
max_zone_append_sectors and zone_write_granularity endup being non zero
values for a block device that is not zoned. Avoid this by clearing
these limits in blk_stack_limits() when the stacked zoned limit is
false.
Fixes: 3093a479727b ("block: inherit the zoned characteristics in blk_stack_limits")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20240222131724.1803520-1-dlemoal@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'block')
-rw-r--r-- | block/blk-settings.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c index bbca4ce77a2d..c702f408bbc0 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -680,6 +680,10 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, t->zone_write_granularity = max(t->zone_write_granularity, b->zone_write_granularity); t->zoned = max(t->zoned, b->zoned); + if (!t->zoned) { + t->zone_write_granularity = 0; + t->max_zone_append_sectors = 0; + } return ret; } EXPORT_SYMBOL(blk_stack_limits); |