24 Apr
2007
24 Apr
'07
7:47 p.m.
On Tuesday 24 April 2007 21:19, Patrick Cernko wrote:
The journal normally only protects the filesystem metadata so that the OS can still "recognize" the the block-dev as a filesystem. Some filesystems also allow "data journaling" but at a cost of writing the data twice to the disc(s).
Well - tux2 was different - it simply wrote the inode-structure separately for the new data/files and did an atomic switchover from one inode-structure to the other. As far as i gathered it, it was a quite unobstrusive patch to ext2...