Hi,

I have tried to find out how filesystems are supposed to handle the
situation when an asynchronous writeout of a page fails and so had a
look at the ext2 code. All I have found is that for example
mpage_end_io_write sets the Error flag of both the page and its
mapping... and that is about it. What happens to these pages later on?
Does the memory manager attempt to write them again? Is the error
somehow signalled to anyone? Do filesystems try to relocate the data
from bad blocks of the device?

TIA

Martin Jambor
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