*** Without backdrop anywhere patch ***
open("/home/user/.config/rockbox.org/backdrops/cabbiev2.bmp", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/opt/rockbox/share/rockbox/backdrops/cabbiev2.bmp", O_RDONLY) = 14
open("/opt/rockbox/share/rockbox/backdrops/cabbiev2.bmp", O_RDONLY) = 14
open("/home/user/.config/rockbox.org/wps/cabbiev2/wpsbackdrop-800x480x16.bmp", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/opt/rockbox/share/rockbox/wps/cabbiev2/wpsbackdrop-800x480x16.bmp", O_RDONLY) = 14
open("/opt/rockbox/share/rockbox/wps/cabbiev2/wpsbackdrop-800x480x16.bmp", O_RDONLY) = 14

*** With that patch ***
open("/home/user/.config/rockbox.org/wps/cabbiev2/wpsbackdrop-800x480x16.bmp", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/opt/rockbox/share/rockbox/wps/cabbiev2/wpsbackdrop-800x480x16.bmp", O_RDONLY) = 14
open("/opt/rockbox/share/rockbox/wps/cabbiev2/wpsbackdrop-800x480x16.bmp", O_RDONLY) = 14