commit f4e6b498d6e06742d72706ef50593a9c4dd72214
author Fengguang Wu <wfg@mail.ustc.edu.cn> Tue Oct 16 01:24:33 2007 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> Tue Oct 16 09:42:52 2007 -0700
tree 74a573302b2ea086c0d21907175be604f110f5b1
parent 0bb7ba6b9c358c12084a3cbc6ac08c8d1e973937

readahead: combine file_ra_state.prev_index/prev_offset into prev_pos

Combine the file_ra_state members
				unsigned long prev_index
				unsigned int prev_offset
into
				loff_t prev_pos

It is more consistent and better supports huge files.

Thanks to Peter for the nice proposal!

[akpm@linux-foundation.org: fix shift overflow]
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>