On Tue, 28 Mar 2000, Ed Tomlinson wrote:
[snip]
> There are different levels of journaling. Most FS journaling only journals the metadata.
> Both ext3 (in current versions) and reiserfs do this. At some point the reiserfs team may
> add options to mkfs to allow full journaling. This would hurt perf but may be necessary
> if you are using the FS as a DB.
[snip]
It should be noted that implimenting full journaling in a normal FS is a
waste unless you extend the transaction APIs to the applictaion layer and
get apps to use them.
It does little good to have singlar files consistant while the whole file
tree is potentially self-contradictory.
I expect, given Hans' ambitions will offer this sometime in the future.
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