tree 828fe0d71b7f18dc170090dbb2fb5ac9deae4ee0
parent f4c0a0fdfae708f7aa438c27a380ed4071294e11
author Jan Kara <jack@suse.cz> 1215818851 -0400
committer Theodore Ts'o <tytso@mit.edu> 1215818851 -0400

jbd2: Implement data=ordered mode handling via inodes

This patch adds necessary framework into JBD2 to be able to track inodes
with each transaction and write-out their dirty data during transaction
commit time.

This new ordered mode brings all sorts of advantages such as possibility 
to get rid of journal heads and buffer heads for data buffers in ordered 
mode, better ordering of writes on transaction commit, simplification of
 some JBD code, no more anonymous pages when truncate of data being 
committed happens.  Also with this new ordered mode, delayed allocation 
on ordered mode is much simpler.

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