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nbd: move setting the cache control flags to __nbd_set_size

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Move setting the cache control flags in nbd in preparation for moving
these flags into the queue_limits structure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20240617060532.127975-11-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2024-06-17 08:04:37 +02:00 committed by Jens Axboe
parent bbe5c84122
commit 6b377787a3
1 changed files with 7 additions and 10 deletions
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17
drivers/block/nbd.c
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@ -342,6 +342,12 @@ static int __nbd_set_size(struct nbd_device *nbd, loff_t bytesize,
lim.max_hw_discard_sectors = UINT_MAX;
else
lim.max_hw_discard_sectors = 0;
if (!(nbd->config->flags & NBD_FLAG_SEND_FLUSH))
blk_queue_write_cache(nbd->disk->queue, false, false);
else if (nbd->config->flags & NBD_FLAG_SEND_FUA)
blk_queue_write_cache(nbd->disk->queue, true, true);
else
blk_queue_write_cache(nbd->disk->queue, true, false);
lim.logical_block_size = blksize;
lim.physical_block_size = blksize;
error = queue_limits_commit_update(nbd->disk->queue, &lim);
@ -1286,19 +1292,10 @@ static void nbd_bdev_reset(struct nbd_device *nbd)
static void nbd_parse_flags(struct nbd_device *nbd)
{
struct nbd_config *config = nbd->config;
if (config->flags & NBD_FLAG_READ_ONLY)
if (nbd->config->flags & NBD_FLAG_READ_ONLY)
set_disk_ro(nbd->disk, true);
else
set_disk_ro(nbd->disk, false);
if (config->flags & NBD_FLAG_SEND_FLUSH) {
if (config->flags & NBD_FLAG_SEND_FUA)
blk_queue_write_cache(nbd->disk->queue, true, true);
else
blk_queue_write_cache(nbd->disk->queue, true, false);
}
else
blk_queue_write_cache(nbd->disk->queue, false, false);
}
static void send_disconnects(struct nbd_device *nbd)