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-rw-r--r--net/ceph/osd_client.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index eb9a444..267f183 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -76,8 +76,16 @@ int ceph_calc_raw_layout(struct ceph_osd_client *osdc,
orig_len - *plen, off, *plen);
if (op_has_extent(op->op)) {
+ u32 osize = le32_to_cpu(layout->fl_object_size);
op->extent.offset = objoff;
op->extent.length = objlen;
+ if (op->extent.truncate_size <= off - objoff) {
+ op->extent.truncate_size = 0;
+ } else {
+ op->extent.truncate_size -= off - objoff;
+ if (op->extent.truncate_size > osize)
+ op->extent.truncate_size = osize;
+ }
}
req->r_num_pages = calc_pages_for(off, *plen);
req->r_page_alignment = off & ~PAGE_MASK;
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