On Tue, Apr 16, 2013 at 07:26:46PM +0100, David Howells wrote: > Supply an accessor function for getting the private data from the parent > proc_dir_entry struct of the proc_dir_entry struct associated with an inode. > > ReiserFS, for instance, stores the super_block pointer in the proc directory > it makes for that super_block, and a pointer to the respective seq_file show > function in each of the proc files in that directory. > > This allows a reduction in the number of file_operations structs, open > functions and seq_operations structs required. The problem otherwise is that > each show function requires two pieces of data but only has storage for one > per PDE (and this has no release function). > > Signed-off-by: David Howells <dhowells@xxxxxxxxxx> > cc: Jerry Chuang <jerry-chuang@xxxxxxxxxxx> > cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> > cc: Maxim Mikityanskiy <maxtram95@xxxxxxxxx> > cc: YAMANE Toshiaki <yamanetoshi@xxxxxxxxx> > cc: linux-wireless@xxxxxxxxxxxxxxx > cc: linux-scsi@xxxxxxxxxxxxxxx > cc: devel@xxxxxxxxxxxxxxxxxxxx Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
