[PATCH RFC v2 for-6.8/block 14/18] jbd2: use bdev apis

Yu Kuai
2023-12-11T14:09:12Z

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

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(-)

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