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libceph: record byte count not page count

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Record the byte count for an osd request rather than the page count.
The number of pages can always be derived from the byte count (and
alignment/offset) but the reverse is not true.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
This commit is contained in:
Alex Elder 2013-03-07 15:38:25 -06:00 • committed by Sage Weil
parent 9516e45b25
commit e0c594878e
5 changed files with 52 additions and 37 deletions
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2
include/linux/ceph/osd_client.h
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@ -63,7 +63,7 @@ struct ceph_osd_data {
union {
struct {
struct page **pages;
u32 num_pages;
u64 length;
u32 alignment;
bool pages_from_pool;
bool own_pages;