diff options
-rw-r--r-- | drivers/block/rbd.c | 24 | ||||
-rw-r--r-- | fs/ceph/addr.c | 8 | ||||
-rw-r--r-- | fs/ceph/file.c | 5 | ||||
-rw-r--r-- | include/linux/ceph/osd_client.h | 6 | ||||
-rw-r--r-- | net/ceph/osd_client.c | 26 |
5 files changed, 59 insertions, 10 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index c12b55559f1..eb64ed0f228 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -1315,23 +1315,39 @@ static void rbd_osd_req_format_op(struct rbd_obj_request *obj_request, bool write_request) { struct rbd_img_request *img_request = obj_request->img_request; + struct ceph_osd_request *osd_req = obj_request->osd_req; + struct ceph_osd_data *osd_data = NULL; struct ceph_snap_context *snapc = NULL; u64 snap_id = CEPH_NOSNAP; struct timespec *mtime = NULL; struct timespec now; - rbd_assert(obj_request->osd_req != NULL); + rbd_assert(osd_req != NULL); if (write_request) { + osd_data = &osd_req->r_data_out; now = CURRENT_TIME; mtime = &now; if (img_request) snapc = img_request->snapc; - } else if (img_request) { - snap_id = img_request->snap_id; + } else { + osd_data = &osd_req->r_data_in; + if (img_request) + snap_id = img_request->snap_id; } + if (obj_request->type != OBJ_REQUEST_NODATA) { + struct ceph_osd_req_op *op = &obj_request->osd_req->r_ops[0]; - ceph_osdc_build_request(obj_request->osd_req, obj_request->offset, + /* + * If it has data, it's either a object class method + * call (cls) or it's an extent operation. + */ + if (op->op == CEPH_OSD_OP_CALL) + osd_req_op_cls_response_data(op, osd_data); + else + osd_req_op_extent_osd_data(op, osd_data); + } + ceph_osdc_build_request(osd_req, obj_request->offset, snapc, snap_id, mtime); } diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index c9da074f0fe..0ac3a37753c 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -343,7 +343,8 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max) } pages[i] = page; } - ceph_osd_data_pages_init(&req->r_data_in, pages, len, 0, + BUG_ON(req->r_ops[0].extent.osd_data != &req->r_data_in); + ceph_osd_data_pages_init(req->r_ops[0].extent.osd_data, pages, len, 0, false, false); req->r_callback = finish_read; req->r_inode = inode; @@ -916,8 +917,9 @@ get_more_pages: dout("writepages got %d pages at %llu~%llu\n", locked_pages, offset, len); - ceph_osd_data_pages_init(&req->r_data_out, pages, len, 0, - !!pool, false); + BUG_ON(req->r_ops[0].extent.osd_data != &req->r_data_out); + ceph_osd_data_pages_init(req->r_ops[0].extent.osd_data, pages, + len, 0, !!pool, false); pages = NULL; /* request message now owns the pages array */ pool = NULL; diff --git a/fs/ceph/file.c b/fs/ceph/file.c index a12f47642c4..cddc10fd7cf 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -574,8 +574,9 @@ more: own_pages = true; } } - ceph_osd_data_pages_init(&req->r_data_out, pages, len, page_align, - false, own_pages); + BUG_ON(req->r_ops[0].extent.osd_data != &req->r_data_out); + ceph_osd_data_pages_init(req->r_ops[0].extent.osd_data, pages, len, + page_align, false, own_pages); /* BUG_ON(vino.snap != CEPH_NOSNAP); */ ceph_osdc_build_request(req, pos, snapc, vino.snap, &mtime); diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index a9c4089894c..ae5193550fb 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -87,12 +87,14 @@ struct ceph_osd_req_op { u64 offset, length; u64 truncate_size; u32 truncate_seq; + struct ceph_osd_data *osd_data; } extent; struct { const char *class_name; const char *method_name; const void *request_data; u32 request_data_len; + struct ceph_osd_data *response_data; __u8 class_len; __u8 method_len; __u8 argc; @@ -236,10 +238,14 @@ extern void osd_req_op_extent_init(struct ceph_osd_req_op *op, u16 opcode, u64 offset, u64 length, u64 truncate_size, u32 truncate_seq); extern void osd_req_op_extent_update(struct ceph_osd_req_op *op, u64 length); +extern void osd_req_op_extent_osd_data(struct ceph_osd_req_op *op, + struct ceph_osd_data *osd_data); extern 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); +extern void osd_req_op_cls_response_data(struct ceph_osd_req_op *op, + struct ceph_osd_data *response_data); extern void osd_req_op_watch_init(struct ceph_osd_req_op *op, u16 opcode, u64 cookie, u64 version, int flag); diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 87fcf0b795c..23491e92b22 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -372,6 +372,13 @@ void osd_req_op_extent_update(struct ceph_osd_req_op *op, u64 length) } EXPORT_SYMBOL(osd_req_op_extent_update); +void osd_req_op_extent_osd_data(struct ceph_osd_req_op *op, + struct ceph_osd_data *osd_data) +{ + op->extent.osd_data = osd_data; +} +EXPORT_SYMBOL(osd_req_op_extent_osd_data); + 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) @@ -406,6 +413,13 @@ void osd_req_op_cls_init(struct ceph_osd_req_op *op, u16 opcode, } EXPORT_SYMBOL(osd_req_op_cls_init); +void osd_req_op_cls_response_data(struct ceph_osd_req_op *op, + struct ceph_osd_data *response_data) +{ + op->cls.response_data = response_data; +} +EXPORT_SYMBOL(osd_req_op_cls_response_data); + void osd_req_op_watch_init(struct ceph_osd_req_op *op, u16 opcode, u64 cookie, u64 version, int flag) { @@ -449,6 +463,10 @@ static u64 osd_req_encode_op(struct ceph_osd_request *req, cpu_to_le64(src->extent.truncate_size); dst->extent.truncate_seq = cpu_to_le32(src->extent.truncate_seq); + if (src->op == CEPH_OSD_OP_WRITE) + WARN_ON(src->extent.osd_data != &req->r_data_out); + else + WARN_ON(src->extent.osd_data != &req->r_data_in); break; case CEPH_OSD_OP_CALL: pagelist = kmalloc(sizeof (*pagelist), GFP_NOFS); @@ -464,8 +482,9 @@ static u64 osd_req_encode_op(struct ceph_osd_request *req, src->cls.method_len); ceph_pagelist_append(pagelist, src->cls.request_data, src->cls.request_data_len); - ceph_osd_data_pagelist_init(&req->r_data_out, pagelist); + + WARN_ON(src->cls.response_data != &req->r_data_in); request_data_len = pagelist->length; break; case CEPH_OSD_OP_STARTSYNC: @@ -609,6 +628,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, bool use_mempool) { struct ceph_osd_request *req; + struct ceph_osd_data *osd_data; struct ceph_osd_req_op *op; u64 objnum = 0; u64 objoff = 0; @@ -623,6 +643,8 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, GFP_NOFS); if (!req) return ERR_PTR(-ENOMEM); + osd_data = opcode == CEPH_OSD_OP_WRITE ? &req->r_data_out + : &req->r_data_in; req->r_flags = flags; @@ -646,6 +668,8 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, op = &req->r_ops[0]; osd_req_op_extent_init(op, opcode, objoff, objlen, truncate_size, truncate_seq); + osd_req_op_extent_osd_data(op, osd_data); + /* * A second op in the ops array means the caller wants to * also issue a include a 'startsync' command so that the |