commit 45cd8d8e -- why?

[Roland Dreier]

The changelog says:

    fs/sysfs/bin.c: In function 'read':
    fs/sysfs/bin.c:77: warning: format '%zd' expects type 'signed size_t', but argument 4 has type 'int'

but the signature of the function read() is

    read(struct file * file, char __user * userbuf, size_t count, loff_t * off)

and git blame seems to show it was always thus -- ie count was always size_t.

And now on x86-64 and ia64 with gcc 4.1 at least, I get:

    fs/sysfs/bin.c: In function 'read':
    fs/sysfs/bin.c:62: warning: format '%d' expects type 'int', but argument 4 has type 'size_t'

Andrew, what compiler were you using to get that warning?  Should we
revert commit 45cd8d8e?

 - R.
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