[PATCH 04/26] loop: stop using loop_reconfigure_limits in __loop_clr_fd

Christoph Hellwig hch at lst.de
Sun Jun 16 23:04:31 PDT 2024


__loop_clr_fd wants to clear all settings on the device.  Prepare for
moving more settings into the block limits by open coding
loop_reconfigure_limits.

Signed-off-by: Christoph Hellwig <hch at lst.de>
Reviewed-by: Damien Le Moal <dlemoal at kernel.org>
Reviewed-by: Hannes Reinecke <hare at suse.de>
Reviewed-by: Bart Van Assche <bvanassche at acm.org>
---
 drivers/block/loop.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 93780f41646b75..fd671028fa8554 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1133,6 +1133,7 @@ static int loop_configure(struct loop_device *lo, blk_mode_t mode,
 
 static void __loop_clr_fd(struct loop_device *lo, bool release)
 {
+	struct queue_limits lim;
 	struct file *filp;
 	gfp_t gfp = lo->old_gfp_mask;
 
@@ -1156,7 +1157,14 @@ static void __loop_clr_fd(struct loop_device *lo, bool release)
 	lo->lo_offset = 0;
 	lo->lo_sizelimit = 0;
 	memset(lo->lo_file_name, 0, LO_NAME_SIZE);
-	loop_reconfigure_limits(lo, 512, false);
+
+	/* reset the block size to the default */
+	lim = queue_limits_start_update(lo->lo_queue);
+	lim.logical_block_size = SECTOR_SIZE;
+	lim.physical_block_size = SECTOR_SIZE;
+	lim.io_min = SECTOR_SIZE;
+	queue_limits_commit_update(lo->lo_queue, &lim);
+
 	invalidate_disk(lo->lo_disk);
 	loop_sysfs_exit(lo);
 	/* let user-space know about this change */
-- 
2.43.0




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