On 6/6/23 09:39, Christoph Hellwig wrote:
Factor the common logic between disk_check_media_change and
disk_force_media_change into a helper.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
block/disk-events.c | 37 ++++++++++++++++---------------------
1 file changed, 16 insertions(+), 21 deletions(-)
diff --git a/block/disk-events.c b/block/disk-events.c
index 8b1b63225738f8..06f325662b3494 100644
--- a/block/disk-events.c
+++ b/block/disk-events.c
@@ -262,6 +262,18 @@ static unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask)
return pending;
}
+static bool __disk_check_media_change(struct gendisk *disk, unsigned int events)
+{
+ if (!(events & DISK_EVENT_MEDIA_CHANGE))
+ return false;
+
+ if (__invalidate_device(disk->part0, true))
+ pr_warn("VFS: busy inodes on changed media %s\n",
+ disk->disk_name);
+ set_bit(GD_NEED_PART_SCAN, &disk->state);
+ return true;
+}
+
/**
* disk_check_media_change - check if a removable media has been changed
* @disk: gendisk to check
@@ -274,18 +286,9 @@ static unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask)
*/
bool disk_check_media_change(struct gendisk *disk)
{
- unsigned int events;
-
- events = disk_clear_events(disk, DISK_EVENT_MEDIA_CHANGE |
- DISK_EVENT_EJECT_REQUEST);
- if (!(events & DISK_EVENT_MEDIA_CHANGE))
- return false;
-
- if (__invalidate_device(disk->part0, true))
- pr_warn("VFS: busy inodes on changed media %s\n",
- disk->disk_name);
- set_bit(GD_NEED_PART_SCAN, &disk->state);
- return true;
+ return __disk_check_media_change(disk,
+ disk_clear_events(disk, DISK_EVENT_MEDIA_CHANGE |
+ DISK_EVENT_EJECT_REQUEST));
Can you move the call to disk_clear_events() out of the call to
__disk_check_media_change()?
I find this pattern hard to read.
Cheers,
Hannes
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