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Re: Cleanup bread/breadn API
On Sun, Dec 09, 2012 at 10:15:19AM +0100, J. Hannken-Illjes wrote:
> The functions bread() and breadn() have an ambiguous API. They return
> a buffer on error except when called from the pagedaemon. This lead
> to ugly code in some file systems where bread() had to be expanded
> for operations that get called from the pagedaemon. See PR kern/46282.
> The attached diff changes bread() and breadn() to not return a buffer
> in case of error. Changing ~160 calls of bread() to not brelse() on
> error is not included in the diff.
> Comments or objections?
looks good to me.
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