Christoph Hellwig wrote:
On Tue, Aug 28, 2007 at 09:49:38PM +0200, J??rn Engel wrote:
On Tue, 28 August 2007 12:05:58 -0700, [email protected] wrote:
- index = *ppos >> PAGE_CACHE_SHIFT;
- offset = *ppos & ~PAGE_CACHE_MASK;
+ index = page_cache_index(mapping, *ppos);
+ offset = page_cache_offset(mapping, *ppos);
Part of me feels inclined to marge this patch now because it makes the
code more readable, even if page_cache_index() is implemented as
#define page_cache_index(mapping, pos) ((pos) >> PAGE_CACHE_SHIFT)
I know there is little use in yet another global search'n'replace
wankfest and Andrew might wash my mouth just for mentioning it. Still,
hard to dislike this part of your patch.
Yes, I I suggested that before. Andrew seems to somehow hate this
patchset, but even if we don;'t get it in the lowercase macros are much
much better then the current PAGE_CACHE_* confusion.
I don't mind the change either. The open coded macros are very
recognisable, but it isn't hard to have a typo and get one
slightly wrong.
If it goes upstream now it wouldn't have the mapping argument
though, would it? Or the need to replace PAGE_CACHE_SIZE I guess.
--
SUSE Labs, Novell Inc.
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