diff mbox series

[04/26] loop: always update discard settings in loop_reconfigure_limits

Message ID 20240611051929.513387-5-hch@lst.de
State New
Headers show
Series [01/26] sd: fix sd_is_zoned | expand

Commit Message

Christoph Hellwig June 11, 2024, 5:19 a.m. UTC 
Simplify loop_reconfigure_limits by always updating the discard limits.
This adds a little more work to loop_set_block_size, but doesn't change
the outcome as the discard flag won't change.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/loop.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

Comments

Damien Le Moal June 11, 2024, 5:54 a.m. UTC | #1 
On 6/11/24 2:19 PM, Christoph Hellwig wrote:
> Simplify loop_reconfigure_limits by always updating the discard limits.
> This adds a little more work to loop_set_block_size, but doesn't change
> the outcome as the discard flag won't change.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Looks OK to me.

Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Hannes Reinecke June 11, 2024, 8:15 a.m. UTC | #2 
On 6/11/24 07:19, Christoph Hellwig wrote:
> Simplify loop_reconfigure_limits by always updating the discard limits.
> This adds a little more work to loop_set_block_size, but doesn't change
> the outcome as the discard flag won't change.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>   drivers/block/loop.c | 10 ++++------
>   1 file changed, 4 insertions(+), 6 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
Bart Van Assche June 11, 2024, 7:23 p.m. UTC | #3 
On 6/10/24 10:19 PM, Christoph Hellwig wrote:
> Simplify loop_reconfigure_limits by always updating the discard limits.
> This adds a little more work to loop_set_block_size, but doesn't change
> the outcome as the discard flag won't change.

Reviewed-by: Bart Van Assche <bvanassche@acm.org>
diff mbox series

Patch

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 93a49c40a31a71..c658282454af1b 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -975,8 +975,7 @@  loop_set_status_from_info(struct loop_device *lo,
 	return 0;
 }
 
-static int loop_reconfigure_limits(struct loop_device *lo, unsigned short bsize,
-		bool update_discard_settings)
+static int loop_reconfigure_limits(struct loop_device *lo, unsigned short bsize)
 {
 	struct queue_limits lim;
 
@@ -984,8 +983,7 @@  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 (update_discard_settings)
-		loop_config_discard(lo, &lim);
+	loop_config_discard(lo, &lim);
 	return queue_limits_commit_update(lo->lo_queue, &lim);
 }
 
@@ -1086,7 +1084,7 @@  static int loop_configure(struct loop_device *lo, blk_mode_t mode,
 	else
 		bsize = 512;
 
-	error = loop_reconfigure_limits(lo, bsize, true);
+	error = loop_reconfigure_limits(lo, bsize);
 	if (WARN_ON_ONCE(error))
 		goto out_unlock;
 
@@ -1496,7 +1494,7 @@  static int loop_set_block_size(struct loop_device *lo, unsigned long arg)
 	invalidate_bdev(lo->lo_device);
 
 	blk_mq_freeze_queue(lo->lo_queue);
-	err = loop_reconfigure_limits(lo, arg, false);
+	err = loop_reconfigure_limits(lo, arg);
 	loop_update_dio(lo);
 	blk_mq_unfreeze_queue(lo->lo_queue);