Re: [PATCH v2 26/34] reiserfs: port block device access to file

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On Tue 23-01-24 14:26:43, Christian Brauner wrote:
> Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

								Honza

> ---
>  fs/reiserfs/journal.c  | 38 +++++++++++++++++++-------------------
>  fs/reiserfs/procfs.c   |  2 +-
>  fs/reiserfs/reiserfs.h |  8 ++++----
>  3 files changed, 24 insertions(+), 24 deletions(-)
> 
> diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
> index 171c912af50f..6474529c4253 100644
> --- a/fs/reiserfs/journal.c
> +++ b/fs/reiserfs/journal.c
> @@ -2386,7 +2386,7 @@ static int journal_read(struct super_block *sb)
>  
>  	cur_dblock = SB_ONDISK_JOURNAL_1st_BLOCK(sb);
>  	reiserfs_info(sb, "checking transaction log (%pg)\n",
> -		      journal->j_bdev_handle->bdev);
> +		      file_bdev(journal->j_bdev_file));
>  	start = ktime_get_seconds();
>  
>  	/*
> @@ -2447,7 +2447,7 @@ static int journal_read(struct super_block *sb)
>  		 * device and journal device to be the same
>  		 */
>  		d_bh =
> -		    reiserfs_breada(journal->j_bdev_handle->bdev, cur_dblock,
> +		    reiserfs_breada(file_bdev(journal->j_bdev_file), cur_dblock,
>  				    sb->s_blocksize,
>  				    SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
>  				    SB_ONDISK_JOURNAL_SIZE(sb));
> @@ -2588,9 +2588,9 @@ static void journal_list_init(struct super_block *sb)
>  
>  static void release_journal_dev(struct reiserfs_journal *journal)
>  {
> -	if (journal->j_bdev_handle) {
> -		bdev_release(journal->j_bdev_handle);
> -		journal->j_bdev_handle = NULL;
> +	if (journal->j_bdev_file) {
> +		fput(journal->j_bdev_file);
> +		journal->j_bdev_file = NULL;
>  	}
>  }
>  
> @@ -2605,7 +2605,7 @@ static int journal_init_dev(struct super_block *super,
>  
>  	result = 0;
>  
> -	journal->j_bdev_handle = NULL;
> +	journal->j_bdev_file = NULL;
>  	jdev = SB_ONDISK_JOURNAL_DEVICE(super) ?
>  	    new_decode_dev(SB_ONDISK_JOURNAL_DEVICE(super)) : super->s_dev;
>  
> @@ -2616,37 +2616,37 @@ static int journal_init_dev(struct super_block *super,
>  	if ((!jdev_name || !jdev_name[0])) {
>  		if (jdev == super->s_dev)
>  			holder = NULL;
> -		journal->j_bdev_handle = bdev_open_by_dev(jdev, blkdev_mode,
> +		journal->j_bdev_file = bdev_file_open_by_dev(jdev, blkdev_mode,
>  							  holder, NULL);
> -		if (IS_ERR(journal->j_bdev_handle)) {
> -			result = PTR_ERR(journal->j_bdev_handle);
> -			journal->j_bdev_handle = NULL;
> +		if (IS_ERR(journal->j_bdev_file)) {
> +			result = PTR_ERR(journal->j_bdev_file);
> +			journal->j_bdev_file = NULL;
>  			reiserfs_warning(super, "sh-458",
>  					 "cannot init journal device unknown-block(%u,%u): %i",
>  					 MAJOR(jdev), MINOR(jdev), result);
>  			return result;
>  		} else if (jdev != super->s_dev)
> -			set_blocksize(journal->j_bdev_handle->bdev,
> +			set_blocksize(file_bdev(journal->j_bdev_file),
>  				      super->s_blocksize);
>  
>  		return 0;
>  	}
>  
> -	journal->j_bdev_handle = bdev_open_by_path(jdev_name, blkdev_mode,
> +	journal->j_bdev_file = bdev_file_open_by_path(jdev_name, blkdev_mode,
>  						   holder, NULL);
> -	if (IS_ERR(journal->j_bdev_handle)) {
> -		result = PTR_ERR(journal->j_bdev_handle);
> -		journal->j_bdev_handle = NULL;
> +	if (IS_ERR(journal->j_bdev_file)) {
> +		result = PTR_ERR(journal->j_bdev_file);
> +		journal->j_bdev_file = NULL;
>  		reiserfs_warning(super, "sh-457",
>  				 "journal_init_dev: Cannot open '%s': %i",
>  				 jdev_name, result);
>  		return result;
>  	}
>  
> -	set_blocksize(journal->j_bdev_handle->bdev, super->s_blocksize);
> +	set_blocksize(file_bdev(journal->j_bdev_file), super->s_blocksize);
>  	reiserfs_info(super,
>  		      "journal_init_dev: journal device: %pg\n",
> -		      journal->j_bdev_handle->bdev);
> +		      file_bdev(journal->j_bdev_file));
>  	return 0;
>  }
>  
> @@ -2804,7 +2804,7 @@ int journal_init(struct super_block *sb, const char *j_dev_name,
>  				 "journal header magic %x (device %pg) does "
>  				 "not match to magic found in super block %x",
>  				 jh->jh_journal.jp_journal_magic,
> -				 journal->j_bdev_handle->bdev,
> +				 file_bdev(journal->j_bdev_file),
>  				 sb_jp_journal_magic(rs));
>  		brelse(bhjh);
>  		goto free_and_return;
> @@ -2828,7 +2828,7 @@ int journal_init(struct super_block *sb, const char *j_dev_name,
>  	reiserfs_info(sb, "journal params: device %pg, size %u, "
>  		      "journal first block %u, max trans len %u, max batch %u, "
>  		      "max commit age %u, max trans age %u\n",
> -		      journal->j_bdev_handle->bdev,
> +		      file_bdev(journal->j_bdev_file),
>  		      SB_ONDISK_JOURNAL_SIZE(sb),
>  		      SB_ONDISK_JOURNAL_1st_BLOCK(sb),
>  		      journal->j_trans_max,
> diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
> index 83cb9402e0f9..5c68a4a52d78 100644
> --- a/fs/reiserfs/procfs.c
> +++ b/fs/reiserfs/procfs.c
> @@ -354,7 +354,7 @@ static int show_journal(struct seq_file *m, void *unused)
>  		   "prepare: \t%12lu\n"
>  		   "prepare_retry: \t%12lu\n",
>  		   DJP(jp_journal_1st_block),
> -		   SB_JOURNAL(sb)->j_bdev_handle->bdev,
> +		   file_bdev(SB_JOURNAL(sb)->j_bdev_file),
>  		   DJP(jp_journal_dev),
>  		   DJP(jp_journal_size),
>  		   DJP(jp_journal_trans_max),
> diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
> index 725667880e62..0554903f42a9 100644
> --- a/fs/reiserfs/reiserfs.h
> +++ b/fs/reiserfs/reiserfs.h
> @@ -299,7 +299,7 @@ struct reiserfs_journal {
>  	/* oldest journal block.  start here for traverse */
>  	struct reiserfs_journal_cnode *j_first;
>  
> -	struct bdev_handle *j_bdev_handle;
> +	struct file *j_bdev_file;
>  
>  	/* first block on s_dev of reserved area journal */
>  	int j_1st_reserved_block;
> @@ -2810,10 +2810,10 @@ struct reiserfs_journal_header {
>  
>  /* We need these to make journal.c code more readable */
>  #define journal_find_get_block(s, block) __find_get_block(\
> -		SB_JOURNAL(s)->j_bdev_handle->bdev, block, s->s_blocksize)
> -#define journal_getblk(s, block) __getblk(SB_JOURNAL(s)->j_bdev_handle->bdev,\
> +		file_bdev(SB_JOURNAL(s)->j_bdev_file), block, s->s_blocksize)
> +#define journal_getblk(s, block) __getblk(file_bdev(SB_JOURNAL(s)->j_bdev_file),\
>  		block, s->s_blocksize)
> -#define journal_bread(s, block) __bread(SB_JOURNAL(s)->j_bdev_handle->bdev,\
> +#define journal_bread(s, block) __bread(file_bdev(SB_JOURNAL(s)->j_bdev_file),\
>  		block, s->s_blocksize)
>  
>  enum reiserfs_bh_state_bits {
> 
> -- 
> 2.43.0
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR




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