jbd2_submit_inode_data() hardcoded use of
jbd2_journal_submit_inode_data_buffers() for submission of data pages.
Make it use j_submit_inode_data_buffers hook instead. This effectively
switches ext4 fastcommits to use ext4_writepages() for data writeout
instead of generic_writepages().
Signed-off-by: NJan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20221207112722.22220-9-jack@suse.czSigned-off-by: NTheodore Ts'o <tytso@mit.edu>