On Wed, Nov 28, 2007 at 05:11:06PM -0800, Christoph Lameter wrote:
> Use page_cache_xxx functions in fs/ext2/*
>
> Signed-off-by: Christoph Lameter <clameter@xxxxxxx>
> ---
> fs/ext2/dir.c | 40 +++++++++++++++++++++++-----------------
> 1 file changed, 23 insertions(+), 17 deletions(-)
>
> Index: linux-2.6/fs/ext2/dir.c
> ===================================================================
> --- linux-2.6.orig/fs/ext2/dir.c 2007-11-26 17:45:29.155116723 -0800
> +++ linux-2.6/fs/ext2/dir.c 2007-11-26 18:15:08.660772219 -0800
> @@ -63,7 +63,8 @@ static inline void ext2_put_page(struct
>
> static inline unsigned long dir_pages(struct inode *inode)
> {
> - return (inode->i_size+PAGE_CACHE_SIZE-1)>>PAGE_CACHE_SHIFT;
> + return (inode->i_size+page_cache_size(inode->i_mapping)-1)>>
> + page_cache_shift(inode->i_mapping);
> }
return page_cache_next(inode->mapping, inode->i_size);
>
> /*
> @@ -74,10 +75,11 @@ static unsigned
> ext2_last_byte(struct inode *inode, unsigned long page_nr)
> {
> unsigned last_byte = inode->i_size;
> + struct address_space *mapping = inode->i_mapping;
>
> - last_byte -= page_nr << PAGE_CACHE_SHIFT;
> - if (last_byte > PAGE_CACHE_SIZE)
> - last_byte = PAGE_CACHE_SIZE;
> + last_byte -= page_nr << page_cache_shift(mapping);
last_byte -= page_cache_pos(mapping, page_nr, 0);
Cheers,
Dave.
--
Dave Chinner
Principal Engineer
SGI Australian Software Group
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