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    SubjectRe: ext3: slow symlink corruption on umount...
    Arthur Jones wrote:
    > Hi Eric, ...
    >
    > On Wed, Oct 29, 2008 at 01:36:33PM -0700, Eric Sandeen wrote:
    >> [...]
    >> I'll look into it ...
    >
    > In the cases that fail, I'm seeing bdi_write_congested()
    > return 2 at the top of write_cache_pages(). In the working
    > case, bdi_write_congested() returns 0 and the inodes are
    > found twice in the s_io list in generic_sync_sb_inodes,
    > first as i_state==7, where they are skipped, then a second
    > time as i_state==4, where ->writepage() is then called...
    >
    > Arthur

    Something is definitely racy here; in my simple testcase I get failures
    maybe 30-50% of the time...

    If I add a mark_buffer_dirty to write_end_fn, it always passes but I
    need to think a bit about that.

    -Eric



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