readahead: combine file_ra_state.prev_index/prev_offset into prev_pos

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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>

...

This commit is contained in:

Fengguang Wu 2007-10-16 01:24:33 -07:00 • committed by Linus Torvalds

parent 0bb7ba6b9c

commit f4e6b498d6

6 changed files with 19 additions and 18 deletions

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3

include/linux/fs.h

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