Re: filesystem transactions API

Artem B. Bityuckiy
2005-04-26T16:15:11Z

Charles P. Wright wrote:
> Atomicity is difficult, because you have lots of caches each with their
> own bits of state (e.g., the inode/dentry caches). Assuming your
> transaction is committed that isn't so much of a problem, but once you
> have on rollback you need to undo any changes to those caches.
I guess if you do synchronization before unlocking all is OK. Roll-back
means deleting partially written things and restore old things, then run
fsyncs. Whys this may be not enough?

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Best regards, Artem B. Bityuckiy
Oktet Labs (St. Petersburg), Software Engineer.
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