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SubjectRe: [PATCH] f2fs: fix out-of-free problem caused by atomic write
On Thu, Oct 26, 2017 at 04:30:19PM +0200, Jaegeuk Kim wrote:
> On 10/26, Yunlong Song wrote:
> > f2fs_balance_fs only actives once in the commit_inmem_pages, but there
> > are more than one page to commit, so all the other pages will miss the
> > check. This will lead to out-of-free problem when commit a very large
> > file. To fix it, we should do f2fs_balance_fs for each inmem page.
>
> NAK, this breaks atomicity.

Can someone please explain (and write down in e.g. manpages) these
atomicy rules?

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