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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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