Hello,
Christoph Hellwig wrote:
drivers/message/i2o/config-osm.c has a function sysfs_create_fops_file,
which creates a sysfs file with supplied file_operations. This is
pretty much against the sysfs design which only wants simple attributes,
ascsii or for corner cases binary.
I know, but i hopefully also have a good reason to do so... First, the
attributes provided through these functions are for accessing the
firmware... The controller has a little limitation, it could only handle
64 blocks, but sysfs only have 4k...
Now there are two options:
1) when writing: read a 64k block, merge it with the 4k block and write
it back, when reading: read a 64k block and only return the needed 4k block.
2) extend the sysfs attribute to allow 64k blocks
IMHO the first is not a very good solution, because for a 64k block it
has to be written 16 times...
Of course if someone finds a better solution i would be glad to hear
about it...
Thank you very much.
Best regards,
Markus Lidel
------------------------------------------
Markus Lidel (Senior IT Consultant)
Shadow Connect GmbH
Carl-Reisch-Weg 12
D-86381 Krumbach
Germany
Phone: +49 82 82/99 51-0
Fax: +49 82 82/99 51-11
E-Mail: [email protected]
URL: http://www.shadowconnect.com
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