configfs: add show and store methods to struct configfs_attribute

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Add methods to struct configfs_attribute to directly show and store
attributes without adding boilerplate code to every user.  In addition
to the methods this also adds 3 helper macros to define read/write,
read-only and write-only attributes with a single line of code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

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Christoph Hellwig 2015-10-03 15:32:37 +02:00 • committed by Nicholas Bellinger

parent 6ff33f3902

commit 870823e629

2 changed files with 39 additions and 5 deletions

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17

fs/configfs/file.c

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27

include/linux/configfs.h

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