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[v3,08/12] ext4: Switch to using ext4_do_writepages() for ordered data writeout

Message ID 20221205122928.21959-8-jack@suse.cz
State Superseded
Headers show
Series ext4: Stop using ext4_writepage() for writeout of ordered data | expand

Commit Message

Jan Kara Dec. 5, 2022, 12:29 p.m. UTC 
Use the standard writepages method (ext4_do_writepages()) to perform
writeout of ordered data during journal commit.

Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext4/ext4.h  |  1 +
 fs/ext4/inode.c | 16 ++++++++++++++++
 fs/ext4/super.c |  3 +--
 3 files changed, 18 insertions(+), 2 deletions(-)
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Patch

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 1b3bffc04fd0..07b55cc48578 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2999,6 +2999,7 @@  extern void ext4_set_inode_flags(struct inode *, bool init);
 extern int ext4_alloc_da_blocks(struct inode *inode);
 extern void ext4_set_aops(struct inode *inode);
 extern int ext4_writepage_trans_blocks(struct inode *);
+extern int ext4_normal_submit_inode_data_buffers(struct jbd2_inode *jinode);
 extern int ext4_chunk_trans_blocks(struct inode *, int nrblocks);
 extern int ext4_zero_partial_blocks(handle_t *handle, struct inode *inode,
 			     loff_t lstart, loff_t lend);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 4f8f4959524c..b93a436bf5bc 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2953,6 +2953,22 @@  static int ext4_writepages(struct address_space *mapping,
 	return ret;
 }
 
+int ext4_normal_submit_inode_data_buffers(struct jbd2_inode *jinode)
+{
+	struct writeback_control wbc = {
+		.sync_mode = WB_SYNC_ALL,
+		.nr_to_write = LONG_MAX,
+		.range_start = jinode->i_dirty_start,
+		.range_end = jinode->i_dirty_end,
+	};
+	struct mpage_da_data mpd = {
+		.inode = jinode->i_vfs_inode,
+		.wbc = &wbc,
+		.can_map = 0,
+	};
+	return ext4_do_writepages(&mpd);
+}
+
 static int ext4_dax_writepages(struct address_space *mapping,
 			       struct writeback_control *wbc)
 {
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 7cdd2138c897..c02329dd7574 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -540,8 +540,7 @@  static int ext4_journal_submit_inode_data_buffers(struct jbd2_inode *jinode)
 	if (ext4_should_journal_data(jinode->i_vfs_inode))
 		ret = ext4_journalled_submit_inode_data_buffers(jinode);
 	else
-		ret = jbd2_journal_submit_inode_data_buffers(jinode);
-
+		ret = ext4_normal_submit_inode_data_buffers(jinode);
 	return ret;
 }