NeilBrown [off-list ref] wrote:

The wait_on_bit() call in __fscache_wait_on_invalidate() was ambiguous
as it specified TASK_UNINTERRUPTIBLE but used
fscache_wait_bit_interruptible as an action function.
As any error return is never checked I assumed that 'uninterruptible'
was correct.

Bug.  It should be uninterruptible in both places.

David

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