On Wed 31-08-22 15:21:11, Zhang Yi wrote:
> bh_submit_read() has no user anymore, just remove it.
> 
> Signed-off-by: Zhang Yi <yi.zh...@huawei.com>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <j...@suse.cz>

                                                                Honza

> ---
>  fs/buffer.c                 | 25 -------------------------
>  include/linux/buffer_head.h |  1 -
>  2 files changed, 26 deletions(-)
> 
> diff --git a/fs/buffer.c b/fs/buffer.c
> index d1d09e2dacc2..fa7c2dbcef4c 100644
> --- a/fs/buffer.c
> +++ b/fs/buffer.c
> @@ -3029,31 +3029,6 @@ void __bh_read_batch(struct buffer_head *bhs[],
>  }
>  EXPORT_SYMBOL(__bh_read_batch);
>  
> -/**
> - * bh_submit_read - Submit a locked buffer for reading
> - * @bh: struct buffer_head
> - *
> - * Returns zero on success and -EIO on error.
> - */
> -int bh_submit_read(struct buffer_head *bh)
> -{
> -     BUG_ON(!buffer_locked(bh));
> -
> -     if (buffer_uptodate(bh)) {
> -             unlock_buffer(bh);
> -             return 0;
> -     }
> -
> -     get_bh(bh);
> -     bh->b_end_io = end_buffer_read_sync;
> -     submit_bh(REQ_OP_READ, bh);
> -     wait_on_buffer(bh);
> -     if (buffer_uptodate(bh))
> -             return 0;
> -     return -EIO;
> -}
> -EXPORT_SYMBOL(bh_submit_read);
> -
>  void __init buffer_init(void)
>  {
>       unsigned long nrpages;
> diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
> index 1c93ff8c8f51..576f3609ac4e 100644
> --- a/include/linux/buffer_head.h
> +++ b/include/linux/buffer_head.h
> @@ -230,7 +230,6 @@ int submit_bh(blk_opf_t, struct buffer_head *);
>  void write_boundary_block(struct block_device *bdev,
>                       sector_t bblock, unsigned blocksize);
>  int bh_uptodate_or_lock(struct buffer_head *bh);
> -int bh_submit_read(struct buffer_head *bh);
>  int __bh_read(struct buffer_head *bh, blk_opf_t op_flags, bool wait);
>  void __bh_read_batch(struct buffer_head *bhs[],
>                    int nr, blk_opf_t op_flags, bool force_lock);
> -- 
> 2.31.1
> 
-- 
Jan Kara <j...@suse.com>
SUSE Labs, CR

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