Re: [PATCH v2 23/34] jfs: port block device access to file

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On Tue 23-01-24 14:26:40, Christian Brauner wrote:
> Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

								Honza

> ---
>  fs/jfs/jfs_logmgr.c | 26 +++++++++++++-------------
>  fs/jfs/jfs_logmgr.h |  2 +-
>  fs/jfs/jfs_mount.c  |  2 +-
>  3 files changed, 15 insertions(+), 15 deletions(-)
> 
> diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
> index 8691463956d1..73389c68e251 100644
> --- a/fs/jfs/jfs_logmgr.c
> +++ b/fs/jfs/jfs_logmgr.c
> @@ -1058,7 +1058,7 @@ void jfs_syncpt(struct jfs_log *log, int hard_sync)
>  int lmLogOpen(struct super_block *sb)
>  {
>  	int rc;
> -	struct bdev_handle *bdev_handle;
> +	struct file *bdev_file;
>  	struct jfs_log *log;
>  	struct jfs_sb_info *sbi = JFS_SBI(sb);
>  
> @@ -1070,7 +1070,7 @@ int lmLogOpen(struct super_block *sb)
>  
>  	mutex_lock(&jfs_log_mutex);
>  	list_for_each_entry(log, &jfs_external_logs, journal_list) {
> -		if (log->bdev_handle->bdev->bd_dev == sbi->logdev) {
> +		if (file_bdev(log->bdev_file)->bd_dev == sbi->logdev) {
>  			if (!uuid_equal(&log->uuid, &sbi->loguuid)) {
>  				jfs_warn("wrong uuid on JFS journal");
>  				mutex_unlock(&jfs_log_mutex);
> @@ -1100,14 +1100,14 @@ int lmLogOpen(struct super_block *sb)
>  	 * file systems to log may have n-to-1 relationship;
>  	 */
>  
> -	bdev_handle = bdev_open_by_dev(sbi->logdev,
> +	bdev_file = bdev_file_open_by_dev(sbi->logdev,
>  			BLK_OPEN_READ | BLK_OPEN_WRITE, log, NULL);
> -	if (IS_ERR(bdev_handle)) {
> -		rc = PTR_ERR(bdev_handle);
> +	if (IS_ERR(bdev_file)) {
> +		rc = PTR_ERR(bdev_file);
>  		goto free;
>  	}
>  
> -	log->bdev_handle = bdev_handle;
> +	log->bdev_file = bdev_file;
>  	uuid_copy(&log->uuid, &sbi->loguuid);
>  
>  	/*
> @@ -1141,7 +1141,7 @@ int lmLogOpen(struct super_block *sb)
>  	lbmLogShutdown(log);
>  
>        close:		/* close external log device */
> -	bdev_release(bdev_handle);
> +	fput(bdev_file);
>  
>        free:		/* free log descriptor */
>  	mutex_unlock(&jfs_log_mutex);
> @@ -1162,7 +1162,7 @@ static int open_inline_log(struct super_block *sb)
>  	init_waitqueue_head(&log->syncwait);
>  
>  	set_bit(log_INLINELOG, &log->flag);
> -	log->bdev_handle = sb_bdev_handle(sb);
> +	log->bdev_file = sb->s_bdev_file;
>  	log->base = addressPXD(&JFS_SBI(sb)->logpxd);
>  	log->size = lengthPXD(&JFS_SBI(sb)->logpxd) >>
>  	    (L2LOGPSIZE - sb->s_blocksize_bits);
> @@ -1436,7 +1436,7 @@ int lmLogClose(struct super_block *sb)
>  {
>  	struct jfs_sb_info *sbi = JFS_SBI(sb);
>  	struct jfs_log *log = sbi->log;
> -	struct bdev_handle *bdev_handle;
> +	struct file *bdev_file;
>  	int rc = 0;
>  
>  	jfs_info("lmLogClose: log:0x%p", log);
> @@ -1482,10 +1482,10 @@ int lmLogClose(struct super_block *sb)
>  	 *	external log as separate logical volume
>  	 */
>  	list_del(&log->journal_list);
> -	bdev_handle = log->bdev_handle;
> +	bdev_file = log->bdev_file;
>  	rc = lmLogShutdown(log);
>  
> -	bdev_release(bdev_handle);
> +	fput(bdev_file);
>  
>  	kfree(log);
>  
> @@ -1972,7 +1972,7 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp)
>  
>  	bp->l_flag |= lbmREAD;
>  
> -	bio = bio_alloc(log->bdev_handle->bdev, 1, REQ_OP_READ, GFP_NOFS);
> +	bio = bio_alloc(file_bdev(log->bdev_file), 1, REQ_OP_READ, GFP_NOFS);
>  	bio->bi_iter.bi_sector = bp->l_blkno << (log->l2bsize - 9);
>  	__bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset);
>  	BUG_ON(bio->bi_iter.bi_size != LOGPSIZE);
> @@ -2115,7 +2115,7 @@ static void lbmStartIO(struct lbuf * bp)
>  	jfs_info("lbmStartIO");
>  
>  	if (!log->no_integrity)
> -		bdev = log->bdev_handle->bdev;
> +		bdev = file_bdev(log->bdev_file);
>  
>  	bio = bio_alloc(bdev, 1, REQ_OP_WRITE | REQ_SYNC,
>  			GFP_NOFS);
> diff --git a/fs/jfs/jfs_logmgr.h b/fs/jfs/jfs_logmgr.h
> index 84aa2d253907..8b8994e48cd0 100644
> --- a/fs/jfs/jfs_logmgr.h
> +++ b/fs/jfs/jfs_logmgr.h
> @@ -356,7 +356,7 @@ struct jfs_log {
>  				 *    before writing syncpt.
>  				 */
>  	struct list_head journal_list; /* Global list */
> -	struct bdev_handle *bdev_handle; /* 4: log lv pointer */
> +	struct file *bdev_file;	/* 4: log lv pointer */
>  	int serial;		/* 4: log mount serial number */
>  
>  	s64 base;		/* @8: log extent address (inline log ) */
> diff --git a/fs/jfs/jfs_mount.c b/fs/jfs/jfs_mount.c
> index 9b5c6a20b30c..98f9a432c336 100644
> --- a/fs/jfs/jfs_mount.c
> +++ b/fs/jfs/jfs_mount.c
> @@ -431,7 +431,7 @@ int updateSuper(struct super_block *sb, uint state)
>  	if (state == FM_MOUNT) {
>  		/* record log's dev_t and mount serial number */
>  		j_sb->s_logdev = cpu_to_le32(
> -			new_encode_dev(sbi->log->bdev_handle->bdev->bd_dev));
> +			new_encode_dev(file_bdev(sbi->log->bdev_file)->bd_dev));
>  		j_sb->s_logserial = cpu_to_le32(sbi->log->serial);
>  	} else if (state == FM_CLEAN) {
>  		/*
> 
> -- 
> 2.43.0
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR




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