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    SubjectRe: virt_blk BUG: sleeping function called from invalid context
    On Sun, Jun 29, 2014 at 02:55:36PM -0600, Jens Axboe wrote:
    > > commit d911d98748018f7c8facc035ba39c30f5cce6f9c
    > > Author: Tejun Heo <tj@kernel.org>
    > > Date: Wed Apr 9 11:07:31 2014 -0400
    > >
    > > kernfs: make kernfs_notify() trigger inotify events too
    > >
    > > Tejun, what do you think?
    > >
    > > Josh, Brian, could you try reverting that commit to see if it helps?
    >
    > That definitely be a bug. If you need to block off ->bi_end_io(), just
    > must punt to a worker thread.

    Ugh... didn't realize we had users triggering sysfs notifications from
    an atomic context. fsnotify support requires sleepable context.
    Guess I'll have to punt it to a work item. :(

    Thanks.

    --
    tejun


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