Messages in this thread | | | Date | Wed, 18 Nov 2009 18:16:06 +0000 | From | Alan Cox <> | Subject | Re: [PATCH 1/2] BKL: Remove BKL from default_llseek() |
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O> But nowadays, even that doesn't happen. sys_read() and sys_write() > make a copy of f_pos using file_pos_read(), so drivers cannot see the > value change during the call - except for their own change. > > I find myself wondering why the VFS isn't responsible for the position > update instead of the driver... Would it be a valid cleanup to move > it from the driver to VFS?
And how would you adjust it. Not all devices have a bytes read == offset relationship. The VFS doesn't know enough.
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