[LogFS] Only write journal if dirty
authorJoern Engel <joern@logfs.org>
Thu, 4 Mar 2010 20:36:19 +0000 (21:36 +0100)
committerJoern Engel <joern@logfs.org>
Thu, 4 Mar 2010 20:36:19 +0000 (21:36 +0100)
commitc6d3830140f1d56b07d8ab56a6e14ca3c492a39a
tree8dd9923b4217f6f7dc2735356d112fdcfa277852
parent9421502b4fc894cc477be8fc49776830e37ca157
[LogFS] Only write journal if dirty

This prevents unnecessary journal writes.  More importantly it prevents
an oops due to a journal write on failed mount.
fs/logfs/gc.c
fs/logfs/journal.c
fs/logfs/logfs.h
fs/logfs/readwrite.c
fs/logfs/segment.c
fs/logfs/super.c