2020-09-01 16:00:40

by Christoph Hellwig

Subject: [PATCH 9/9] block: remove revalidate_disk()

Remove the now unused helper.

Signed-off-by: Christoph Hellwig <[email protected]>
---
drivers/md/md.h | 2 +-
fs/block_dev.c | 19 -------------------
include/linux/genhd.h | 1 -
3 files changed, 1 insertion(+), 21 deletions(-)

diff --git a/drivers/md/md.h b/drivers/md/md.h
index d9c4e6b7e9398d..f9e2ccdd22c478 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -397,7 +397,7 @@ struct mddev {
* These locks are separate due to conflicting interactions
* with bdev->bd_mutex.
* Lock ordering is:
- * reconfig_mutex -> bd_mutex : e.g. do_md_run -> revalidate_disk
+ * reconfig_mutex -> bd_mutex
* bd_mutex -> open_mutex: e.g. __blkdev_get -> md_open
*/
struct mutex open_mutex;
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 85f013315d48b3..0771836d0220bd 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1339,25 +1339,6 @@ void revalidate_disk_size(struct gendisk *disk, bool verbose)
}
EXPORT_SYMBOL(revalidate_disk_size);

-/**
- * revalidate_disk - wrapper for lower-level driver's revalidate_disk call-back
- * @disk: struct gendisk to be revalidated
- *
- * This routine is a wrapper for lower-level driver's revalidate_disk
- * call-backs. It is used to do common pre and post operations needed
- * for all revalidate_disk operations.
- */
-int revalidate_disk(struct gendisk *disk)
-{
- int ret = 0;
-
- if (disk->fops->revalidate_disk)
- ret = disk->fops->revalidate_disk(disk);
- revalidate_disk_size(disk, ret == 0);
- return ret;
-}
-EXPORT_SYMBOL(revalidate_disk);
-
/*
* This routine checks whether a removable media has been changed,
* and invalidates all buffer-cache-entries in that case. This
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index c340b392452ce6..2cdc41a3fb6a57 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -372,7 +372,6 @@ extern void blk_unregister_region(dev_t devt, unsigned long range);
int register_blkdev(unsigned int major, const char *name);
void unregister_blkdev(unsigned int major, const char *name);

-int revalidate_disk(struct gendisk *disk);
void revalidate_disk_size(struct gendisk *disk, bool verbose);
int check_disk_change(struct block_device *bdev);
int __invalidate_device(struct block_device *bdev, bool kill_dirty);
--
2.28.0

2020-09-02 06:01:11

by Song Liu

Subject: Re: [PATCH 9/9] block: remove revalidate_disk()

On Tue, Sep 1, 2020 at 9:00 AM Christoph Hellwig <[email protected]> wrote:
>
> Remove the now unused helper.
>
> Signed-off-by: Christoph Hellwig <[email protected]>

Acked-by: Song Liu <[email protected]>

2020-09-02 07:29:10

by Johannes Thumshirn

Subject: Re: [PATCH 9/9] block: remove revalidate_disk()

Looks good,
Reviewed-by: Johannes Thumshirn <[email protected]>