2.6 and sendfile()

[Alexander Nyberg]

2.6 no longer seems to support copying files via sys_sendfile(), only
files to sockets. It gets stuck at do_sendfile()

if (!out_file->f_op || !out_file->f_op->sendpage)

None of the file systems has a sendpage function, is this intentional?
After googling around I saw this has resulted in some broken programs. 

Was the semantics of sendfile() simply changed and in that case why,
cause it should be a bit of a speed booster to many applications.

Alex

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