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-rw-r--r--drivers/block/rbd.c9
-rw-r--r--include/linux/ceph/osd_client.h2
-rw-r--r--net/ceph/osd_client.c12
3 files changed, 16 insertions, 7 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 33b36fea1d73..ac57bc0f6fca 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2339,6 +2339,7 @@ static bool is_zero_bvecs(struct bio_vec *bvecs, u32 bytes)
static int rbd_obj_issue_copyup(struct rbd_obj_request *obj_req, u32 bytes)
{
unsigned int num_osd_ops = obj_req->osd_req->r_num_ops;
+ int ret;
dout("%s obj_req %p bytes %u\n", __func__, obj_req, bytes);
rbd_assert(obj_req->osd_req->r_ops[0].op == CEPH_OSD_OP_STAT);
@@ -2353,6 +2354,11 @@ static int rbd_obj_issue_copyup(struct rbd_obj_request *obj_req, u32 bytes)
if (!obj_req->osd_req)
return -ENOMEM;
+ ret = osd_req_op_cls_init(obj_req->osd_req, 0, CEPH_OSD_OP_CALL, "rbd",
+ "copyup");
+ if (ret)
+ return ret;
+
/*
* Only send non-zero copyup data to save some I/O and network
* bandwidth -- zero copyup data is equivalent to the object not
@@ -2362,9 +2368,6 @@ static int rbd_obj_issue_copyup(struct rbd_obj_request *obj_req, u32 bytes)
dout("%s obj_req %p detected zeroes\n", __func__, obj_req);
bytes = 0;
}
-
- osd_req_op_cls_init(obj_req->osd_req, 0, CEPH_OSD_OP_CALL, "rbd",
- "copyup");
osd_req_op_cls_request_data_bvecs(obj_req->osd_req, 0,
obj_req->copyup_bvecs,
obj_req->copyup_bvec_count,
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 96bb32285989..b73dd7ebe585 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -440,7 +440,7 @@ extern void osd_req_op_cls_response_data_pages(struct ceph_osd_request *,
struct page **pages, u64 length,
u32 alignment, bool pages_from_pool,
bool own_pages);
-extern void osd_req_op_cls_init(struct ceph_osd_request *osd_req,
+extern int osd_req_op_cls_init(struct ceph_osd_request *osd_req,
unsigned int which, u16 opcode,
const char *class, const char *method);
extern int osd_req_op_xattr_init(struct ceph_osd_request *osd_req, unsigned int which,
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index d2667e5dddc3..08b5fc1f90cc 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -767,7 +767,7 @@ void osd_req_op_extent_dup_last(struct ceph_osd_request *osd_req,
}
EXPORT_SYMBOL(osd_req_op_extent_dup_last);
-void osd_req_op_cls_init(struct ceph_osd_request *osd_req, unsigned int which,
+int osd_req_op_cls_init(struct ceph_osd_request *osd_req, unsigned int which,
u16 opcode, const char *class, const char *method)
{
struct ceph_osd_req_op *op = _osd_req_op_init(osd_req, which,
@@ -779,7 +779,9 @@ void osd_req_op_cls_init(struct ceph_osd_request *osd_req, unsigned int which,
BUG_ON(opcode != CEPH_OSD_OP_CALL);
pagelist = kmalloc(sizeof (*pagelist), GFP_NOFS);
- BUG_ON(!pagelist);
+ if (!pagelist)
+ return -ENOMEM;
+
ceph_pagelist_init(pagelist);
op->cls.class_name = class;
@@ -799,6 +801,7 @@ void osd_req_op_cls_init(struct ceph_osd_request *osd_req, unsigned int which,
osd_req_op_cls_request_info_pagelist(osd_req, which, pagelist);
op->indata_len = payload_len;
+ return 0;
}
EXPORT_SYMBOL(osd_req_op_cls_init);
@@ -4928,7 +4931,10 @@ int ceph_osdc_call(struct ceph_osd_client *osdc,
if (ret)
goto out_put_req;
- osd_req_op_cls_init(req, 0, CEPH_OSD_OP_CALL, class, method);
+ ret = osd_req_op_cls_init(req, 0, CEPH_OSD_OP_CALL, class, method);
+ if (ret)
+ goto out_put_req;
+
if (req_page)
osd_req_op_cls_request_data_pages(req, 0, &req_page, req_len,
0, false, false);