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Date: Wed, 6 Apr 2022 08:05:03 +0200 From: Christoph Hellwig <hch@....de> To: Jens Axboe <axboe@...nel.dk> Cc: dm-devel@...hat.com, linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-um@...ts.infradead.org, linux-block@...r.kernel.org, drbd-dev@...ts.linbit.com, nbd@...er.debian.org, ceph-devel@...r.kernel.org, virtualization@...ts.linux-foundation.org, xen-devel@...ts.xenproject.org, linux-bcache@...r.kernel.org, linux-raid@...r.kernel.org, linux-mmc@...r.kernel.org, linux-mtd@...ts.infradead.org, linux-nvme@...ts.infradead.org, linux-s390@...r.kernel.org, linux-scsi@...r.kernel.org, target-devel@...r.kernel.org, linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, cluster-devel@...hat.com, jfs-discussion@...ts.sourceforge.net, linux-nilfs@...r.kernel.org, ntfs3@...ts.linux.dev, ocfs2-devel@....oracle.com, linux-mm@...ck.org Subject: [PATCH 14/27] block: add a bdev_max_zone_append_sectors helper Add a helper to check the max supported sectors for zone append based on the block_device instead of having to poke into the block layer internal request_queue. Signed-off-by: Christoph Hellwig <hch@....de> --- drivers/nvme/target/zns.c | 3 +-- fs/zonefs/super.c | 3 +-- include/linux/blkdev.h | 6 ++++++ 3 files changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/nvme/target/zns.c b/drivers/nvme/target/zns.c index e34718b095504..82b61acf7a72b 100644 --- a/drivers/nvme/target/zns.c +++ b/drivers/nvme/target/zns.c @@ -34,8 +34,7 @@ static int validate_conv_zones_cb(struct blk_zone *z, bool nvmet_bdev_zns_enable(struct nvmet_ns *ns) { - struct request_queue *q = ns->bdev->bd_disk->queue; - u8 zasl = nvmet_zasl(queue_max_zone_append_sectors(q)); + u8 zasl = nvmet_zasl(bdev_max_zone_append_sectors(ns->bdev)); struct gendisk *bd_disk = ns->bdev->bd_disk; int ret; diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c index 3614c7834007d..7a63807b736c4 100644 --- a/fs/zonefs/super.c +++ b/fs/zonefs/super.c @@ -678,13 +678,12 @@ static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from) struct inode *inode = file_inode(iocb->ki_filp); struct zonefs_inode_info *zi = ZONEFS_I(inode); struct block_device *bdev = inode->i_sb->s_bdev; - unsigned int max; + unsigned int max = bdev_max_zone_append_sectors(bdev); struct bio *bio; ssize_t size; int nr_pages; ssize_t ret; - max = queue_max_zone_append_sectors(bdev_get_queue(bdev)); max = ALIGN_DOWN(max << SECTOR_SHIFT, inode->i_sb->s_blocksize); iov_iter_truncate(from, max); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index a433798c3343e..f8c50b77543eb 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1188,6 +1188,12 @@ static inline unsigned int queue_max_zone_append_sectors(const struct request_qu return min(l->max_zone_append_sectors, l->max_sectors); } +static inline unsigned int +bdev_max_zone_append_sectors(struct block_device *bdev) +{ + return queue_max_zone_append_sectors(bdev_get_queue(bdev)); +} + static inline unsigned queue_logical_block_size(const struct request_queue *q) { int retval = 512; -- 2.30.2
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