diff mbox series

[RFC,v3,for-6.8/block,13/17] jbd2: use bdev apis

Message ID 20231221085846.1768977-1-yukuai1@huaweicloud.com (mailing list archive)
State New, archived
Headers show
Series block: don't access bd_inode directly from other modules | expand

Commit Message

Yu Kuai Dec. 21, 2023, 8:58 a.m. UTC 
From: Yu Kuai <yukuai3@huawei.com>

Avoid to access bd_inode directly, prepare to remove bd_inode from
block_device.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
---
 fs/jbd2/journal.c  | 3 +--
 fs/jbd2/recovery.c | 6 ++----
 2 files changed, 3 insertions(+), 6 deletions(-)

Comments

Jan Kara Jan. 4, 2024, 12:11 p.m. UTC | #1 
On Thu 21-12-23 16:58:46, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@huawei.com>
> 
> Avoid to access bd_inode directly, prepare to remove bd_inode from
> block_device.
> 
> Signed-off-by: Yu Kuai <yukuai3@huawei.com>

Looks good to me. Feel free to add:

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

But note there are changes pending to this code for the coming merge window
so you'll have to rebase...

								Honza

> ---
>  fs/jbd2/journal.c  | 3 +--
>  fs/jbd2/recovery.c | 6 ++----
>  2 files changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
> index ed53188472f9..f1b5ffeaf02a 100644
> --- a/fs/jbd2/journal.c
> +++ b/fs/jbd2/journal.c
> @@ -2003,8 +2003,7 @@ static int __jbd2_journal_erase(journal_t *journal, unsigned int flags)
>  		byte_count = (block_stop - block_start + 1) *
>  				journal->j_blocksize;
>  
> -		truncate_inode_pages_range(journal->j_dev->bd_inode->i_mapping,
> -				byte_start, byte_stop);
> +		truncate_bdev_range(journal->j_dev, 0, byte_start, byte_stop);
>  
>  		if (flags & JBD2_JOURNAL_FLUSH_DISCARD) {
>  			err = blkdev_issue_discard(journal->j_dev,
> diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
> index 01f744cb97a4..6b6a2c4585fa 100644
> --- a/fs/jbd2/recovery.c
> +++ b/fs/jbd2/recovery.c
> @@ -290,7 +290,6 @@ int jbd2_journal_recover(journal_t *journal)
>  
>  	struct recovery_info	info;
>  	errseq_t		wb_err;
> -	struct address_space	*mapping;
>  
>  	memset(&info, 0, sizeof(info));
>  	sb = journal->j_superblock;
> @@ -309,8 +308,7 @@ int jbd2_journal_recover(journal_t *journal)
>  	}
>  
>  	wb_err = 0;
> -	mapping = journal->j_fs_dev->bd_inode->i_mapping;
> -	errseq_check_and_advance(&mapping->wb_err, &wb_err);
> +	bdev_wb_err_check_and_advance(journal->j_fs_dev, &wb_err);
>  	err = do_one_pass(journal, &info, PASS_SCAN);
>  	if (!err)
>  		err = do_one_pass(journal, &info, PASS_REVOKE);
> @@ -334,7 +332,7 @@ int jbd2_journal_recover(journal_t *journal)
>  	err2 = sync_blockdev(journal->j_fs_dev);
>  	if (!err)
>  		err = err2;
> -	err2 = errseq_check_and_advance(&mapping->wb_err, &wb_err);
> +	err2 = bdev_wb_err_check_and_advance(journal->j_fs_dev, &wb_err);
>  	if (!err)
>  		err = err2;
>  	/* Make sure all replayed data is on permanent storage */
> -- 
> 2.39.2
>
diff mbox series

Patch

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index ed53188472f9..f1b5ffeaf02a 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -2003,8 +2003,7 @@  static int __jbd2_journal_erase(journal_t *journal, unsigned int flags)
 		byte_count = (block_stop - block_start + 1) *
 				journal->j_blocksize;
 
-		truncate_inode_pages_range(journal->j_dev->bd_inode->i_mapping,
-				byte_start, byte_stop);
+		truncate_bdev_range(journal->j_dev, 0, byte_start, byte_stop);
 
 		if (flags & JBD2_JOURNAL_FLUSH_DISCARD) {
 			err = blkdev_issue_discard(journal->j_dev,
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index 01f744cb97a4..6b6a2c4585fa 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -290,7 +290,6 @@  int jbd2_journal_recover(journal_t *journal)
 
 	struct recovery_info	info;
 	errseq_t		wb_err;
-	struct address_space	*mapping;
 
 	memset(&info, 0, sizeof(info));
 	sb = journal->j_superblock;
@@ -309,8 +308,7 @@  int jbd2_journal_recover(journal_t *journal)
 	}
 
 	wb_err = 0;
-	mapping = journal->j_fs_dev->bd_inode->i_mapping;
-	errseq_check_and_advance(&mapping->wb_err, &wb_err);
+	bdev_wb_err_check_and_advance(journal->j_fs_dev, &wb_err);
 	err = do_one_pass(journal, &info, PASS_SCAN);
 	if (!err)
 		err = do_one_pass(journal, &info, PASS_REVOKE);
@@ -334,7 +332,7 @@  int jbd2_journal_recover(journal_t *journal)
 	err2 = sync_blockdev(journal->j_fs_dev);
 	if (!err)
 		err = err2;
-	err2 = errseq_check_and_advance(&mapping->wb_err, &wb_err);
+	err2 = bdev_wb_err_check_and_advance(journal->j_fs_dev, &wb_err);
 	if (!err)
 		err = err2;
 	/* Make sure all replayed data is on permanent storage */