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[dm-devel] Re: [RFC PATCH 1/4] convert block layer drivers to blkerr error values



Jeff Garzik wrote:
In general, I'm a bit worried about these changes, for two overall reasons:

1) I didn't see any analysis of the ultimate end users of block layer error values: the filesystems.

The filesystems or helpers they use normally did not even check the -Exyz error they were getting except for -EOPNOTSUPPORTED. They typically use the uptodate bits on the bio or buffer head.


A greater discussion on what the FS's needed and what actions they should take would be good though, I agree. They never responded in the past so I thought the MD and DM were the only interested users for now. I will post to lkml or fs-devel next time. Sorry about that.


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