diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-09-08 16:53:37 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-09-10 17:32:31 +0200 |
| commit | 77f93bfd0cc2e659d7135b4afcd5d0a070515bbf (patch) | |
| tree | ec854d02df76c7701a4bec219a13361467600841 /drivers/block/xsysace.c | |
| parent | xsysace: use bdev_check_media_change (diff) | |
| download | linux-77f93bfd0cc2e659d7135b4afcd5d0a070515bbf.tar.xz linux-77f93bfd0cc2e659d7135b4afcd5d0a070515bbf.zip | |
xsysace: simplify media change handling
Pass a struct ace_device to ace_revalidate_disk, move the media changed
check into the one caller that needs it, and give the routine a better
name.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/xsysace.c')
| -rw-r--r-- | drivers/block/xsysace.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c index eefe542f2d9f..8d581c7536fb 100644 --- a/drivers/block/xsysace.c +++ b/drivers/block/xsysace.c @@ -888,26 +888,20 @@ static unsigned int ace_check_events(struct gendisk *gd, unsigned int clearing) return ace->media_change ? DISK_EVENT_MEDIA_CHANGE : 0; } -static int ace_revalidate_disk(struct gendisk *gd) +static void ace_media_changed(struct ace_device *ace) { - struct ace_device *ace = gd->private_data; unsigned long flags; - dev_dbg(ace->dev, "ace_revalidate_disk()\n"); - - if (ace->media_change) { - dev_dbg(ace->dev, "requesting cf id and scheduling tasklet\n"); + dev_dbg(ace->dev, "requesting cf id and scheduling tasklet\n"); - spin_lock_irqsave(&ace->lock, flags); - ace->id_req_count++; - spin_unlock_irqrestore(&ace->lock, flags); + spin_lock_irqsave(&ace->lock, flags); + ace->id_req_count++; + spin_unlock_irqrestore(&ace->lock, flags); - tasklet_schedule(&ace->fsm_tasklet); - wait_for_completion(&ace->id_completion); - } + tasklet_schedule(&ace->fsm_tasklet); + wait_for_completion(&ace->id_completion); dev_dbg(ace->dev, "revalidate complete\n"); - return ace->id_result; } static int ace_open(struct block_device *bdev, fmode_t mode) @@ -922,8 +916,8 @@ static int ace_open(struct block_device *bdev, fmode_t mode) ace->users++; spin_unlock_irqrestore(&ace->lock, flags); - if (bdev_check_media_change(bdev)) - ace_revalidate_disk(bdev->bd_disk); + if (bdev_check_media_change(bdev) && ace->media_change) + ace_media_changed(ace); mutex_unlock(&xsysace_mutex); return 0; @@ -1080,7 +1074,7 @@ static int ace_setup(struct ace_device *ace) (unsigned long long) ace->physaddr, ace->baseaddr, ace->irq); ace->media_change = 1; - ace_revalidate_disk(ace->gd); + ace_media_changed(ace); /* Make the sysace device 'live' */ add_disk(ace->gd); |