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Diffstat (limited to 'net/ceph/osd_client.c')
-rw-r--r--net/ceph/osd_client.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 9ca693d0df19..426ca1f2a721 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -296,6 +296,19 @@ void osd_req_op_extent_init(struct ceph_osd_req_op *op, u16 opcode,
}
EXPORT_SYMBOL(osd_req_op_extent_init);
+void osd_req_op_extent_update(struct ceph_osd_req_op *op, u64 length)
+{
+ u64 previous = op->extent.length;
+
+ if (length == previous)
+ return; /* Nothing to do */
+ BUG_ON(length > previous);
+
+ op->extent.length = length;
+ op->payload_len -= previous - length;
+}
+EXPORT_SYMBOL(osd_req_op_extent_update);
+
void osd_req_op_cls_init(struct ceph_osd_req_op *op, u16 opcode,
const char *class, const char *method,
const void *request_data, size_t request_data_size)

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