struct inode *search_inode_for_lustre(struct super_block *sb,
const struct lu_fid *fid)
{
struct ll_sb_info *sbi = ll_s2sbi(sb);
struct ptlrpc_request *req = NULL;
struct inode *inode = NULL;
int eadatalen = 0;
unsigned long hash = cl_fid_build_ino(fid,
ll_need_32bit_api(sbi));
struct md_op_data *op_data;
int rc;
CDEBUG(D_INFO, "searching inode for:(%lu,"DFID")\n", hash, PFID(fid));
inode = ilookup5(sb, hash, ll_nfs_test_inode, (void *)fid);
if (inode)
return inode;
rc = ll_get_default_mdsize(sbi, &eadatalen);
if (rc)
return ERR_PTR(rc);
/* Because inode is NULL, ll_prep_md_op_data can not
* be used here. So we allocate op_data ourselves */
op_data = kzalloc(sizeof(*op_data), GFP_NOFS);
if (!op_data)
return ERR_PTR(-ENOMEM);
op_data->op_fid1 = *fid;
op_data->op_mode = eadatalen;
op_data->op_valid = OBD_MD_FLEASIZE;
/* mds_fid2dentry ignores f_type */
rc = md_getattr(sbi->ll_md_exp, op_data, &req);
kfree(op_data);
if (rc) {
CERROR("can't get object attrs, fid "DFID", rc %d\n",
PFID(fid), rc);
return ERR_PTR(rc);
}
rc = ll_prep_inode(&inode, req, sb, NULL);
ptlrpc_req_finished(req);
if (rc)
return ERR_PTR(rc);
return inode;
}
/**
* The dispatch method tokenizes the input and passes it
* on to the correct method which was invoked.
*/
int dispatch(char* str, int client) {
FILE* stream = fdopen(client, "w");
char* cmd;
cmd = strtok(str, "|");
// There was no command...
if(cmd == NULL)
return 0;
if(strcmp(cmd, "readdir") == 0) {
printf("'readdir' received\n");
md_readdir(stream, "/");
} else if(strcmp(cmd, "mknod") == 0) {
printf("'mknod' received\n");
char* name = strtok(NULL, "|");
int mode = atoi(strtok(NULL, "|"));
md_mknod(name, mode);
} else if(strcmp(cmd, "unlink") == 0) {
printf("'unlink' received\n");
char* name = strtok(NULL, "|");
md_unlink(name);
} else if(strcmp(cmd, "truncate") == 0) {
char* name = strtok(NULL, "|");
char* end;
unsigned long long size = strtoull(strtok(NULL, "|"), &end, 10);
printf("'truncate' '%s' '%llu' received\n", name, size);
md_truncate(name, size);
} else if(strcmp(cmd, "getattr") == 0) {
char* name = strtok(NULL, "|");
printf("'getattr' '%s' received\n", name);
md_getattr(stream, name);
} else if(strcmp(cmd, "getobjects") == 0) {
printf("'getobjects' received\n");
md_getobjects(stream);
} else if(strcmp(cmd, "getfile") == 0) {
printf("'getfile' received\n");
char* name = strtok(NULL, "|");
md_getfile(stream, name);
} else if(strcmp(cmd, "chown") == 0) {
printf("'chown' received\n");
char* name = strtok(NULL, "|");
uid_t uid = atoi(strtok(NULL, "|"));
gid_t gid = atoi(strtok(NULL, "|"));
md_chown(name, uid, gid);
} else if(strcmp(cmd, "invalidate") == 0) {
printf("'invalidate' received\n");
int file = atoi(strtok(NULL, "|"));
int store = atoi(strtok(NULL, "|"));
md_invalidate(file, store);
} else if(strcmp(cmd, "getinvalid") == 0) {
printf("'getinvalid' received\n");
char* hostname = strtok(NULL, "|");
int port = atoi(strtok(NULL, "|"));
md_getinvalid(stream, hostname, port);
} else if(strcmp(cmd, "setvalid") == 0) {
printf("'setvalid' received\n");
int file = atoi(strtok(NULL, "|"));
char* hostname = strtok(NULL, "|");
int port = atoi(strtok(NULL, "|"));
md_setvalid(file, hostname, port);
}
return 0;
}