Re: [PATCH -next 2/8] md/raid1-10: rename raid1-10.c to raid1-10.h

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On Thu, Apr 20, 2023 at 4:31 AM Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote:
>
> From: Yu Kuai <yukuai3@xxxxxxxxxx>
>
> raid1-10.c contains definitions that are used both for raid1 and raid10,
> it's werid to use ".c" suffix.

type: weird.

Please see the original discussion about raid1-10.c here:

https://lore.kernel.org/linux-raid/20170712082912.491-1-ming.lei@xxxxxxxxxx/

Let's keep raid1-10.c for now.

Thanks,
Song

>
> Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
> ---
>  drivers/md/{raid1-10.c => raid1-10.h} | 10 +++++++---
>  drivers/md/raid1.c                    |  2 --
>  drivers/md/raid1.h                    |  2 ++
>  drivers/md/raid10.c                   |  2 --
>  drivers/md/raid10.h                   |  2 ++
>  5 files changed, 11 insertions(+), 7 deletions(-)
>  rename drivers/md/{raid1-10.c => raid1-10.h} (92%)
>
> diff --git a/drivers/md/raid1-10.c b/drivers/md/raid1-10.h
> similarity index 92%
> rename from drivers/md/raid1-10.c
> rename to drivers/md/raid1-10.h
> index e61f6cad4e08..04beef35142d 100644
> --- a/drivers/md/raid1-10.c
> +++ b/drivers/md/raid1-10.h
> @@ -1,4 +1,7 @@
>  // SPDX-License-Identifier: GPL-2.0
> +#ifndef _RAID1_10_H
> +#define _RAID1_10_H
> +
>  /* Maximum size of each resync request */
>  #define RESYNC_BLOCK_SIZE (64*1024)
>  #define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE)
> @@ -33,7 +36,7 @@ struct raid1_plug_cb {
>         struct bio_list         pending;
>  };
>
> -static void rbio_pool_free(void *rbio, void *data)
> +static inline void rbio_pool_free(void *rbio, void *data)
>  {
>         kfree(rbio);
>  }
> @@ -91,8 +94,8 @@ static inline struct resync_pages *get_resync_pages(struct bio *bio)
>  }
>
>  /* generally called after bio_reset() for reseting bvec */
> -static void md_bio_reset_resync_pages(struct bio *bio, struct resync_pages *rp,
> -                              int size)
> +static inline void md_bio_reset_resync_pages(struct bio *bio,
> +                                            struct resync_pages *rp, int size)
>  {
>         int idx = 0;
>
> @@ -109,3 +112,4 @@ static void md_bio_reset_resync_pages(struct bio *bio, struct resync_pages *rp,
>                 size -= len;
>         } while (idx++ < RESYNC_PAGES && size > 0);
>  }
> +#endif
> diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
> index 2f1011ffdf09..84724b9b20b8 100644
> --- a/drivers/md/raid1.c
> +++ b/drivers/md/raid1.c
> @@ -49,8 +49,6 @@ static void lower_barrier(struct r1conf *conf, sector_t sector_nr);
>  #define raid1_log(md, fmt, args...)                            \
>         do { if ((md)->queue) blk_add_trace_msg((md)->queue, "raid1 " fmt, ##args); } while (0)
>
> -#include "raid1-10.c"
> -
>  #define START(node) ((node)->start)
>  #define LAST(node) ((node)->last)
>  INTERVAL_TREE_DEFINE(struct serial_info, node, sector_t, _subtree_last,
> diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h
> index 468f189da7a0..80de4d66f010 100644
> --- a/drivers/md/raid1.h
> +++ b/drivers/md/raid1.h
> @@ -2,6 +2,8 @@
>  #ifndef _RAID1_H
>  #define _RAID1_H
>
> +#include "raid1-10.h"
> +
>  /*
>   * each barrier unit size is 64MB fow now
>   * note: it must be larger than RESYNC_DEPTH
> diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
> index a116b7c9d9f3..50d56b6af42f 100644
> --- a/drivers/md/raid10.c
> +++ b/drivers/md/raid10.c
> @@ -77,8 +77,6 @@ static void end_reshape(struct r10conf *conf);
>  #define raid10_log(md, fmt, args...)                           \
>         do { if ((md)->queue) blk_add_trace_msg((md)->queue, "raid10 " fmt, ##args); } while (0)
>
> -#include "raid1-10.c"
> -
>  #define NULL_CMD
>  #define cmd_before(conf, cmd) \
>         do { \
> diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h
> index 63e48b11b552..63e88dd774f7 100644
> --- a/drivers/md/raid10.h
> +++ b/drivers/md/raid10.h
> @@ -2,6 +2,8 @@
>  #ifndef _RAID10_H
>  #define _RAID10_H
>
> +#include "raid1-10.h"
> +
>  /* Note: raid10_info.rdev can be set to NULL asynchronously by
>   * raid10_remove_disk.
>   * There are three safe ways to access raid10_info.rdev.
> --
> 2.39.2
>




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