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Add rollback op to the OSD code

blocking-uring-test
Vitaliy Filippov 2020-01-25 02:04:58 +03:00
parent 2b09710d6f
commit 079f129390
4 changed files with 20 additions and 12 deletions
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6
osd_exec_secondary.cpp
View File

@ -25,9 +25,10 @@ void osd_t::exec_secondary(osd_op_t *cur_op)
: (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_WRITE ? BS_OP_WRITE
: (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_SYNC ? BS_OP_SYNC
: (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE ? BS_OP_STABLE
: (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_ROLLBACK ? BS_OP_ROLLBACK
: (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_DELETE ? BS_OP_DELETE
: (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_LIST ? BS_OP_LIST
: -1))))));
: -1)))))));
if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_READ ||
cur_op->op.hdr.opcode == OSD_OP_SECONDARY_WRITE)
{
@ -42,7 +43,8 @@ void osd_t::exec_secondary(osd_op_t *cur_op)
cur_op->bs_op.oid = cur_op->op.sec_del.oid;
cur_op->bs_op.version = cur_op->op.sec_del.version;
}
else if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE)
else if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE ||
cur_op->op.hdr.opcode == OSD_OP_SECONDARY_ROLLBACK)
{
cur_op->bs_op.len = cur_op->op.sec_stab.len/sizeof(obj_ver_id);
cur_op->bs_op.buf = cur_op->buf;

19
osd_ops.h
View File

@ -13,13 +13,14 @@
#define OSD_OP_SECONDARY_WRITE 2
#define OSD_OP_SECONDARY_SYNC 3
#define OSD_OP_SECONDARY_STABILIZE 4
#define OSD_OP_SECONDARY_DELETE 5
#define OSD_OP_TEST_SYNC_STAB_ALL 6
#define OSD_OP_SECONDARY_LIST 7
#define OSD_OP_SHOW_CONFIG 8
#define OSD_OP_READ 9
#define OSD_OP_WRITE 10
#define OSD_OP_MAX 10
#define OSD_OP_SECONDARY_ROLLBACK 5
#define OSD_OP_SECONDARY_DELETE 6
#define OSD_OP_TEST_SYNC_STAB_ALL 7
#define OSD_OP_SECONDARY_LIST 8
#define OSD_OP_SHOW_CONFIG 9
#define OSD_OP_READ 10
#define OSD_OP_WRITE 11
#define OSD_OP_MAX 11
// Alignment & limit for read/write operations
#define OSD_RW_ALIGN 512
#define OSD_RW_MAX 64*1024*1024
@ -95,18 +96,20 @@ struct __attribute__((__packed__)) osd_reply_secondary_sync_t
osd_reply_header_t header;
};
// stabilize objects on the secondary OSD
// stabilize or rollback objects on the secondary OSD
struct __attribute__((__packed__)) osd_op_secondary_stabilize_t
{
osd_op_header_t header;
// obj_ver_id array length in bytes
uint32_t len;
};
typedef osd_op_secondary_stabilize_t osd_op_secondary_rollback_t;
struct __attribute__((__packed__)) osd_reply_secondary_stabilize_t
{
osd_reply_header_t header;
};
typedef osd_reply_secondary_stabilize_t osd_reply_secondary_rollback_t;
// show configuration
struct __attribute__((__packed__)) osd_op_show_config_t

4
osd_read.cpp
View File

@ -102,7 +102,8 @@ void osd_t::handle_read_op(osd_client_t *cl)
osd_op_t *cur_op = cl->read_op;
if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_READ ||
cur_op->op.hdr.opcode == OSD_OP_SECONDARY_WRITE ||
cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE)
cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE ||
cur_op->op.hdr.opcode == OSD_OP_SECONDARY_ROLLBACK)
{
// Allocate a buffer
cur_op->buf = memalign(512, cur_op->op.sec_rw.len);
@ -114,6 +115,7 @@ void osd_t::handle_read_op(osd_client_t *cl)
}
if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_WRITE ||
cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE ||
cur_op->op.hdr.opcode == OSD_OP_SECONDARY_ROLLBACK ||
cur_op->op.hdr.opcode == OSD_OP_WRITE)
{
// Read data

3
osd_send.cpp
View File

@ -115,7 +115,8 @@ void osd_t::handle_send(ring_data_t *data, int peer_fd)
cl.write_remaining = cur_op->op.sec_rw.len;
cl.write_state = CL_WRITE_DATA;
}
else if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE)
else if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE ||
cur_op->op.hdr.opcode == OSD_OP_SECONDARY_ROLLBACK)
{
cl.write_buf = cur_op->buf;
cl.write_remaining = cur_op->op.sec_stab.len;