From: Fengguang Wu <wfg@mail.ustc.edu.cn>
Date: Tue, 16 Oct 2007 08:24:33 +0000 (-0700)
Subject: readahead: combine file_ra_state.prev_index/prev_offset into prev_pos
X-Git-Tag: v2.6.24-rc1~1235
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4e6b498d6e06742d72706ef50593a9c4dd72214;p=pandora-kernel.git

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>
---

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