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SubjectRe: [PATCH 1/2] sysfs: allow the group is_visible() method to return a mode and add an update API
On Fri, Mar 21, 2008 at 04:27:12PM -0500, James Bottomley wrote:
> We have a problem in scsi_transport_spi in that we need to customise
> not only the visibility of the attributes, but also their mode. Fix
> this by making the is_visible() callback return a mode, with 0
> indicating is not visible.
> Also add a sysfs_update_group() API to allow us to change either the
> visibility or mode of the files at any time on the fly.
> Signed-off-by: James Bottomley <>
> ---
> Greg, can I take this through SCSI, please ... assuming it's OK? We
> need this to fix up the SPI transport class.

Sure. But can you document that "update" field a bit more so we can
remember what it means in the future?


greg k-h

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