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dm: use queue_limits_set

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Use queue_limits_set which validates the limits and takes care of
updating the readahead settings instead of directly assigning them to
the queue.  For that make sure all limits are actually updated before
the assignment.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
This commit is contained in:
Christoph Hellwig 2024-02-28 14:56:42 -08:00 committed by Mike Snitzer
parent 7560680c8d
commit 1c0e720228
1 changed files with 12 additions and 15 deletions
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27
drivers/md/dm-table.c
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@ -1963,26 +1963,27 @@ int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
bool wc = false, fua = false;
int r;
/*
* Copy table's limits to the DM device's request_queue
*/
q->limits = *limits;
if (dm_table_supports_nowait(t))
blk_queue_flag_set(QUEUE_FLAG_NOWAIT, q);
else
blk_queue_flag_clear(QUEUE_FLAG_NOWAIT, q);
if (!dm_table_supports_discards(t)) {
q->limits.max_discard_sectors = 0;
q->limits.max_hw_discard_sectors = 0;
q->limits.discard_granularity = 0;
q->limits.discard_alignment = 0;
q->limits.discard_misaligned = 0;
limits->max_hw_discard_sectors = 0;
limits->discard_granularity = 0;
limits->discard_alignment = 0;
limits->discard_misaligned = 0;
}
if (!dm_table_supports_write_zeroes(t))
limits->max_write_zeroes_sectors = 0;
if (!dm_table_supports_secure_erase(t))
q->limits.max_secure_erase_sectors = 0;
limits->max_secure_erase_sectors = 0;
r = queue_limits_set(q, limits);
if (r)
return r;
if (dm_table_supports_flush(t, (1UL << QUEUE_FLAG_WC))) {
wc = true;
@ -2007,9 +2008,6 @@ int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
else
blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
if (!dm_table_supports_write_zeroes(t))
q->limits.max_write_zeroes_sectors = 0;
dm_table_verify_integrity(t);
/*
@ -2047,7 +2045,6 @@ int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
}
dm_update_crypto_profile(q, t);
disk_update_readahead(t->md->disk);
/*
* Check for request-based device is left to