Message ID | 20240611051929.513387-8-hch@lst.de (mailing list archive) |
---|---|
State | Handled Elsewhere, archived |
Headers | show |
Series | [01/26] sd: fix sd_is_zoned | expand |
Context | Check | Description |
---|---|---|
mdraidci/vmtest-md-6_11-PR | success | PR summary |
mdraidci/vmtest-md-6_11-VM_Test-0 | success | Logs for build-kernel |
On 6/11/24 2:19 PM, Christoph Hellwig wrote: > This prepares for moving the rotational flag into the queue_limits and > also fixes it for the case where the loop device is backed by a block > device. > > Signed-off-by: Christoph Hellwig <hch@lst.de> Looks good to me. Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
On 6/11/24 07:19, Christoph Hellwig wrote: > This prepares for moving the rotational flag into the queue_limits and > also fixes it for the case where the loop device is backed by a block > device. > > Signed-off-by: Christoph Hellwig <hch@lst.de> > --- > drivers/block/loop.c | 23 ++++------------------- > 1 file changed, 4 insertions(+), 19 deletions(-) > Reviewed-by: Hannes Reinecke <hare@suse.de> Cheers, Hannes
On 6/10/24 10:19 PM, Christoph Hellwig wrote: > This prepares for moving the rotational flag into the queue_limits and > also fixes it for the case where the loop device is backed by a block > device. Reviewed-by: Bart Van Assche <bvanassche@acm.org>
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index d7cf6bbbfb1b86..2c4a5eb3a6a7f9 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -916,24 +916,6 @@ static void loop_free_idle_workers_timer(struct timer_list *timer) return loop_free_idle_workers(lo, false); } -static void loop_update_rotational(struct loop_device *lo) -{ - struct file *file = lo->lo_backing_file; - struct inode *file_inode = file->f_mapping->host; - struct block_device *file_bdev = file_inode->i_sb->s_bdev; - struct request_queue *q = lo->lo_queue; - bool nonrot = true; - - /* not all filesystems (e.g. tmpfs) have a sb->s_bdev */ - if (file_bdev) - nonrot = bdev_nonrot(file_bdev); - - if (nonrot) - blk_queue_flag_set(QUEUE_FLAG_NONROT, q); - else - blk_queue_flag_clear(QUEUE_FLAG_NONROT, q); -} - /** * loop_set_status_from_info - configure device from loop_info * @lo: struct loop_device to configure @@ -1003,6 +985,10 @@ static int loop_reconfigure_limits(struct loop_device *lo, unsigned short bsize) lim.logical_block_size = bsize; lim.physical_block_size = bsize; lim.io_min = bsize; + if (!backing_bdev || bdev_nonrot(backing_bdev)) + blk_queue_flag_set(QUEUE_FLAG_NONROT, lo->lo_queue); + else + blk_queue_flag_clear(QUEUE_FLAG_NONROT, lo->lo_queue); loop_config_discard(lo, &lim); return queue_limits_commit_update(lo->lo_queue, &lim); } @@ -1099,7 +1085,6 @@ static int loop_configure(struct loop_device *lo, blk_mode_t mode, if (WARN_ON_ONCE(error)) goto out_unlock; - loop_update_rotational(lo); loop_update_dio(lo); loop_sysfs_init(lo);
This prepares for moving the rotational flag into the queue_limits and also fixes it for the case where the loop device is backed by a block device. Signed-off-by: Christoph Hellwig <hch@lst.de> --- drivers/block/loop.c | 23 ++++------------------- 1 file changed, 4 insertions(+), 19 deletions(-)