[13/36] Use page_cache_xxx in mm/fadvise.c

clameter
2007-08-28T19:10:00Z

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Use page_cache_xxx in mm/fadvise.c

Signed-off-by: Christoph Lameter <clameter@sgi.com>
---
mm/fadvise.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/mm/fadvise.c b/mm/fadvise.c
index 0df4c89..804c2a9 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -79,8 +79,8 @@ asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice)
}

/* First and last PARTIAL page! */
- start_index = offset >> PAGE_CACHE_SHIFT;
- end_index = endbyte >> PAGE_CACHE_SHIFT;
+ start_index = page_cache_index(mapping, offset);
+ end_index = page_cache_index(mapping, endbyte);

/* Careful about overflow on the "+1" */
nrpages = end_index - start_index + 1;
@@ -100,8 +100,8 @@ asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice)
filemap_flush(mapping);

/* First and last FULL page! */
- start_index = (offset+(PAGE_CACHE_SIZE-1)) >> PAGE_CACHE_SHIFT;
- end_index = (endbyte >> PAGE_CACHE_SHIFT);
+ start_index = page_cache_next(mapping, offset);
+ end_index = page_cache_index(mapping, endbyte);

if (end_index >= start_index)
invalidate_mapping_pages(mapping, start_index,
--
1.5.2.4

--