diff options
Diffstat (limited to 'source3/modules/vfs_aio_fork.c')
| -rw-r--r-- | source3/modules/vfs_aio_fork.c | 49 |
1 files changed, 44 insertions, 5 deletions
diff --git a/source3/modules/vfs_aio_fork.c b/source3/modules/vfs_aio_fork.c index 811d44e6bb..2ec3d3d537 100644 --- a/source3/modules/vfs_aio_fork.c +++ b/source3/modules/vfs_aio_fork.c @@ -33,6 +33,10 @@ #define MAP_FILE 0 #endif +struct aio_fork_config { + bool erratic_testing_mode; +}; + struct mmap_area { size_t size; volatile void *ptr; @@ -112,6 +116,7 @@ struct rw_cmd { size_t n; off_t offset; enum cmd_type cmd; + bool erratic_testing_mode; }; struct rw_ret { @@ -355,8 +360,7 @@ static void aio_child_loop(int sockfd, struct mmap_area *map) cmd_type_str(cmd_struct.cmd), (int)cmd_struct.n, (int)cmd_struct.offset, fd)); -#ifdef DEVELOPER - { + if (cmd_struct.erratic_testing_mode) { /* * For developer testing, we want erratic behaviour for * async I/O times @@ -372,8 +376,6 @@ static void aio_child_loop(int sockfd, struct mmap_area *map) DEBUG(10, ("delaying for %u msecs\n", msecs)); smb_msleep(msecs); } -#endif - ZERO_STRUCT(ret_struct); @@ -587,6 +589,10 @@ static struct tevent_req *aio_fork_pread_send(struct vfs_handle_struct *handle, struct rw_cmd cmd; ssize_t written; int err; + struct aio_fork_config *config; + SMB_VFS_HANDLE_GET_DATA(handle, config, + struct aio_fork_config, + return -1); req = tevent_req_create(mem_ctx, &state, struct aio_fork_pread_state); if (req == NULL) { @@ -609,6 +615,7 @@ static struct tevent_req *aio_fork_pread_send(struct vfs_handle_struct *handle, cmd.n = n; cmd.offset = offset; cmd.cmd = READ_CMD; + cmd.erratic_testing_mode = config->erratic_testing_mode; DEBUG(10, ("sending fd %d to child %d\n", fsp->fh->fd, (int)state->child->pid)); @@ -698,6 +705,10 @@ static struct tevent_req *aio_fork_pwrite_send( struct rw_cmd cmd; ssize_t written; int err; + struct aio_fork_config *config; + SMB_VFS_HANDLE_GET_DATA(handle, config, + struct aio_fork_config, + return NULL); req = tevent_req_create(mem_ctx, &state, struct aio_fork_pwrite_state); if (req == NULL) { @@ -720,6 +731,7 @@ static struct tevent_req *aio_fork_pwrite_send( cmd.n = n; cmd.offset = offset; cmd.cmd = WRITE_CMD; + cmd.erratic_testing_mode = config->erratic_testing_mode; DEBUG(10, ("sending fd %d to child %d\n", fsp->fh->fd, (int)state->child->pid)); @@ -808,6 +820,10 @@ static struct tevent_req *aio_fork_fsync_send( struct rw_cmd cmd; ssize_t written; int err; + struct aio_fork_config *config; + SMB_VFS_HANDLE_GET_DATA(handle, config, + struct aio_fork_config, + return -1); req = tevent_req_create(mem_ctx, &state, struct aio_fork_fsync_state); if (req == NULL) { @@ -822,6 +838,7 @@ static struct tevent_req *aio_fork_fsync_send( ZERO_STRUCT(cmd); cmd.cmd = FSYNC_CMD; + cmd.erratic_testing_mode = config->erratic_testing_mode; DEBUG(10, ("sending fd %d to child %d\n", fsp->fh->fd, (int)state->child->pid)); @@ -896,6 +913,28 @@ static int aio_fork_fsync_recv(struct tevent_req *req, int *err) static int aio_fork_connect(vfs_handle_struct *handle, const char *service, const char *user) { + int ret; + struct aio_fork_config *config; + ret = SMB_VFS_NEXT_CONNECT(handle, service, user); + + if (ret < 0) { + return ret; + } + + config = talloc_zero(handle->conn, struct aio_fork_config); + if (!config) { + SMB_VFS_NEXT_DISCONNECT(handle); + DEBUG(0, ("talloc_zero() failed\n")); + return -1; + } + + config->erratic_testing_mode = lp_parm_bool(SNUM(handle->conn), "vfs_aio_fork", + "erratic_testing_mode", false); + + SMB_VFS_HANDLE_SET_DATA(handle, config, + NULL, struct aio_fork_config, + return -1); + /********************************************************************* * How many threads to initialize ? * 100 per process seems insane as a default until you realize that @@ -907,7 +946,7 @@ static int aio_fork_connect(vfs_handle_struct *handle, const char *service, * says different. *********************************************************************/ aio_pending_size = 100; - return SMB_VFS_NEXT_CONNECT(handle, service, user); + return 0; } static struct vfs_fn_pointers vfs_aio_fork_fns = { |