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9e371032cb
'struct configfs_item_operations' and 'configfs_group_operations' are not modified in this driver. Constifying these structures moves some data to a read-only section, so increases overall security, especially when the structure holds some function pointers. On a x86_64, with allmodconfig: Before: ====== text data bss dec hex filename 100263 37808 2752 140823 22617 drivers/block/null_blk/main.o After: ===== text data bss dec hex filename 100423 37648 2752 140823 22617 drivers/block/null_blk/main.o Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Jens Axboe <axboe@kernel.dk>