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Diffstat (limited to 'include/linux/ceph/osd_client.h')
-rw-r--r--include/linux/ceph/osd_client.h204
1 files changed, 135 insertions, 69 deletions
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 1dd5d466b6f..186db0bf495 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -29,6 +29,7 @@ struct ceph_authorizer;
*/
typedef void (*ceph_osdc_callback_t)(struct ceph_osd_request *,
struct ceph_msg *);
+typedef void (*ceph_osdc_unsafe_callback_t)(struct ceph_osd_request *, bool);
/* a given osd we're communicating with */
struct ceph_osd {
@@ -48,7 +49,67 @@ struct ceph_osd {
};
-#define CEPH_OSD_MAX_OP 10
+#define CEPH_OSD_MAX_OP 2
+
+enum ceph_osd_data_type {
+ CEPH_OSD_DATA_TYPE_NONE = 0,
+ CEPH_OSD_DATA_TYPE_PAGES,
+ CEPH_OSD_DATA_TYPE_PAGELIST,
+#ifdef CONFIG_BLOCK
+ CEPH_OSD_DATA_TYPE_BIO,
+#endif /* CONFIG_BLOCK */
+};
+
+struct ceph_osd_data {
+ enum ceph_osd_data_type type;
+ union {
+ struct {
+ struct page **pages;
+ u64 length;
+ u32 alignment;
+ bool pages_from_pool;
+ bool own_pages;
+ };
+ struct ceph_pagelist *pagelist;
+#ifdef CONFIG_BLOCK
+ struct {
+ struct bio *bio; /* list of bios */
+ size_t bio_length; /* total in list */
+ };
+#endif /* CONFIG_BLOCK */
+ };
+};
+
+struct ceph_osd_req_op {
+ u16 op; /* CEPH_OSD_OP_* */
+ u32 payload_len;
+ union {
+ struct ceph_osd_data raw_data_in;
+ struct {
+ 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;
+ struct ceph_osd_data request_info;
+ struct ceph_osd_data request_data;
+ struct ceph_osd_data response_data;
+ __u8 class_len;
+ __u8 method_len;
+ __u8 argc;
+ } cls;
+ struct {
+ u64 cookie;
+ u64 ver;
+ u32 prot_ver;
+ u32 timeout;
+ __u8 flag;
+ } watch;
+ };
+};
/* an in-flight request */
struct ceph_osd_request {
@@ -63,15 +124,14 @@ struct ceph_osd_request {
int r_pg_osds[CEPH_PG_MAX_SIZE];
int r_num_pg_osds;
- struct ceph_connection *r_con_filling_msg;
-
struct ceph_msg *r_request, *r_reply;
int r_flags; /* any additional flags for the osd */
u32 r_sent; /* >0 if r_request is sending/sent */
- int r_num_ops;
- /* encoded message content */
- struct ceph_osd_op *r_request_ops;
+ /* request osd ops array */
+ unsigned int r_num_ops;
+ struct ceph_osd_req_op r_ops[CEPH_OSD_MAX_OP];
+
/* these are updated on each send */
__le32 *r_request_osdmap_epoch;
__le32 *r_request_flags;
@@ -85,12 +145,14 @@ struct ceph_osd_request {
s32 r_reply_op_result[CEPH_OSD_MAX_OP];
int r_got_reply;
int r_linger;
+ int r_completed;
struct ceph_osd_client *r_osdc;
struct kref r_kref;
bool r_mempool;
struct completion r_completion, r_safe_completion;
- ceph_osdc_callback_t r_callback, r_safe_callback;
+ ceph_osdc_callback_t r_callback;
+ ceph_osdc_unsafe_callback_t r_unsafe_callback;
struct ceph_eversion r_reassert_version;
struct list_head r_unsafe_item;
@@ -104,16 +166,6 @@ struct ceph_osd_request {
struct ceph_file_layout r_file_layout;
struct ceph_snap_context *r_snapc; /* snap context for writes */
- unsigned r_num_pages; /* size of page array (follows) */
- unsigned r_page_alignment; /* io offset in first page */
- struct page **r_pages; /* pages for data payload */
- int r_pages_from_pool;
- int r_own_pages; /* if true, i own page list */
-#ifdef CONFIG_BLOCK
- struct bio *r_bio; /* instead of pages */
-#endif
-
- struct ceph_pagelist r_trail; /* trailing part of the data */
};
struct ceph_osd_event {
@@ -172,48 +224,8 @@ struct ceph_osd_client {
struct workqueue_struct *notify_wq;
};
-struct ceph_osd_req_op {
- u16 op; /* CEPH_OSD_OP_* */
- u32 payload_len;
- union {
- struct {
- u64 offset, length;
- u64 truncate_size;
- u32 truncate_seq;
- } extent;
- struct {
- const char *name;
- const char *val;
- u32 name_len;
- u32 value_len;
- __u8 cmp_op; /* CEPH_OSD_CMPXATTR_OP_* */
- __u8 cmp_mode; /* CEPH_OSD_CMPXATTR_MODE_* */
- } xattr;
- struct {
- const char *class_name;
- const char *method_name;
- const char *indata;
- u32 indata_len;
- __u8 class_len;
- __u8 method_len;
- __u8 argc;
- } cls;
- struct {
- u64 cookie;
- u64 count;
- } pgls;
- struct {
- u64 snapid;
- } snap;
- struct {
- u64 cookie;
- u64 ver;
- u32 prot_ver;
- u32 timeout;
- __u8 flag;
- } watch;
- };
-};
+extern int ceph_osdc_setup(void);
+extern void ceph_osdc_cleanup(void);
extern int ceph_osdc_init(struct ceph_osd_client *osdc,
struct ceph_client *client);
@@ -224,16 +236,71 @@ extern void ceph_osdc_handle_reply(struct ceph_osd_client *osdc,
extern void ceph_osdc_handle_map(struct ceph_osd_client *osdc,
struct ceph_msg *msg);
+extern void osd_req_op_init(struct ceph_osd_request *osd_req,
+ unsigned int which, u16 opcode);
+
+extern void osd_req_op_raw_data_in_pages(struct ceph_osd_request *,
+ unsigned int which,
+ struct page **pages, u64 length,
+ u32 alignment, bool pages_from_pool,
+ bool own_pages);
+
+extern void osd_req_op_extent_init(struct ceph_osd_request *osd_req,
+ unsigned int which, u16 opcode,
+ u64 offset, u64 length,
+ u64 truncate_size, u32 truncate_seq);
+extern void osd_req_op_extent_update(struct ceph_osd_request *osd_req,
+ unsigned int which, u64 length);
+
+extern struct ceph_osd_data *osd_req_op_extent_osd_data(
+ struct ceph_osd_request *osd_req,
+ unsigned int which);
+extern struct ceph_osd_data *osd_req_op_cls_response_data(
+ struct ceph_osd_request *osd_req,
+ unsigned int which);
+
+extern void osd_req_op_extent_osd_data_pages(struct ceph_osd_request *,
+ unsigned int which,
+ struct page **pages, u64 length,
+ u32 alignment, bool pages_from_pool,
+ bool own_pages);
+extern void osd_req_op_extent_osd_data_pagelist(struct ceph_osd_request *,
+ unsigned int which,
+ struct ceph_pagelist *pagelist);
+#ifdef CONFIG_BLOCK
+extern void osd_req_op_extent_osd_data_bio(struct ceph_osd_request *,
+ unsigned int which,
+ struct bio *bio, size_t bio_length);
+#endif /* CONFIG_BLOCK */
+
+extern void osd_req_op_cls_request_data_pagelist(struct ceph_osd_request *,
+ unsigned int which,
+ struct ceph_pagelist *pagelist);
+extern void osd_req_op_cls_request_data_pages(struct ceph_osd_request *,
+ unsigned int which,
+ struct page **pages, u64 length,
+ u32 alignment, bool pages_from_pool,
+ bool own_pages);
+extern void osd_req_op_cls_response_data_pages(struct ceph_osd_request *,
+ unsigned int which,
+ 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,
+ unsigned int which, u16 opcode,
+ const char *class, const char *method);
+extern void osd_req_op_watch_init(struct ceph_osd_request *osd_req,
+ unsigned int which, u16 opcode,
+ u64 cookie, u64 version, int flag);
+
extern struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc,
struct ceph_snap_context *snapc,
- unsigned int num_op,
+ unsigned int num_ops,
bool use_mempool,
gfp_t gfp_flags);
-extern void ceph_osdc_build_request(struct ceph_osd_request *req,
- u64 off, u64 len,
- unsigned int num_op,
- struct ceph_osd_req_op *src_ops,
+extern void ceph_osdc_build_request(struct ceph_osd_request *req, u64 off,
struct ceph_snap_context *snapc,
u64 snap_id,
struct timespec *mtime);
@@ -241,12 +308,11 @@ extern void ceph_osdc_build_request(struct ceph_osd_request *req,
extern struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *,
struct ceph_file_layout *layout,
struct ceph_vino vino,
- u64 offset, u64 *len, int op, int flags,
+ u64 offset, u64 *len,
+ int num_ops, int opcode, int flags,
struct ceph_snap_context *snapc,
- int do_sync, u32 truncate_seq,
- u64 truncate_size,
- struct timespec *mtime,
- bool use_mempool, int page_align);
+ u32 truncate_seq, u64 truncate_size,
+ bool use_mempool);
extern void ceph_osdc_set_request_linger(struct ceph_osd_client *osdc,
struct ceph_osd_request *req);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-17 19:02:06 +0000