Commit 59205c8d authored by Jan Kara's avatar Jan Kara Committed by Theodore Ts'o
Browse files

ext4: switch to using ext4_do_writepages() for ordered data writeout 



Use the standard writepages method (ext4_do_writepages()) to perform
writeout of ordered data during journal commit.

Reviewed-by: default avatarRitesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20221207112722.22220-8-jack@suse.cz


Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 29bc9cea

fs/ext4/ext4.h

+1 −0
Original line number Diff line number Diff line
@@ -3000,6 +3000,7 @@ 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);

fs/ext4/inode.c

+16 −0
Original line number Diff line number Diff line
@@ -2960,6 +2960,22 @@ 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)

{

fs/ext4/super.c

+1 −2
Original line number Diff line number Diff line
@@ -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;

}