Karel Zak wrote:
On Mon, May 18, 2015 at 09:31:34PM +0200, Stanislav Brabec wrote:
linux/drivers/base/core.c: device_get_devnode() defines a translation of
'!' in sysfs nodes to '/' in /dev nodes. The same translation has to be
done to properly support device nodes with slash (e. g. device nodes of
cciss driver and several other drivers).
Strange feature.
It was probably introduced to support drivers that already used /dev
sub-directories in time of introduction /sys.
+ /* replace '!' in the name with '/', see
+ * linux/drivers/base/core.c: device_get_devnode() */
+ while ((s = strchr(name, '!')))
+ s[0] = '/';
What about to add small inline function sysfs_fix_devname() to
include/sysfs.h ?
Yes, it makes sense.
Do you have an idea how to locate all parts of code that make
assumptions basename (sysfs_block_path) == basename (dev_path).
--
Best Regards / S pozdravem,
Stanislav Brabec
software developer
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