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Message-ID: <4F7A2BFE.8000609@oracle.com> Date: Mon, 02 Apr 2012 17:45:18 -0500 From: Dave Kleikamp <dave.kleikamp@...cle.com> To: "Ted Ts'o" <tytso@....edu>, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, Zach Brown <zab@...bo.net>, Andreas Dilger <adilger.kernel@...ger.ca>, linux-ext4@...r.kernel.org Subject: Re: [RFC PATCH v2 18/21] ext4: add support for read_iter and write_iter On 04/02/2012 01:42 PM, Ted Ts'o wrote: > On Fri, Mar 30, 2012 at 10:43:45AM -0500, Dave Kleikamp wrote: >> use the generic .read_iter and .write_iter functions > > Potentially silly question --- why not use NULL pointer to mean > generic_file_read_iter and generic_file_write_iter? Then you won't > have to patch a bunch of file systems to add the generic .read_iter > and .write_iter? I'm not very confident that generic_file_read_iter and generic_file_write_iter will work for every filesystem that I haven't yet touched. It should work if they use generic_aio_read and _write, but some have their own versions of those. Shaggy -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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