struct gpfs_fsal_obj_handle *alloc_handle(struct gpfs_file_handle *fh,
struct fsal_filesystem *fs,
struct attrlist *attributes,
const char *link_content,
struct fsal_export *exp_hdl)
{
struct gpfs_fsal_export *myself =
container_of(exp_hdl, struct gpfs_fsal_export, export);
struct gpfs_fsal_obj_handle *hdl =
gsh_calloc(1, sizeof(struct gpfs_fsal_obj_handle) +
sizeof(struct gpfs_file_handle));
hdl->handle = (struct gpfs_file_handle *)&hdl[1];
hdl->obj_handle.fs = fs;
memcpy(hdl->handle, fh, sizeof(struct gpfs_file_handle));
hdl->obj_handle.type = attributes->type;
if (hdl->obj_handle.type == REGULAR_FILE) {
hdl->u.file.fd.fd = -1; /* no open on this yet */
hdl->u.file.fd.openflags = FSAL_O_CLOSED;
} else if (hdl->obj_handle.type == SYMBOLIC_LINK
&& link_content != NULL) {
size_t len = strlen(link_content) + 1;
hdl->u.symlink.link_content = gsh_malloc(len);
memcpy(hdl->u.symlink.link_content, link_content, len);
hdl->u.symlink.link_size = len;
}
fsal_obj_handle_init(&hdl->obj_handle, exp_hdl, attributes->type);
hdl->obj_handle.fsid = attributes->fsid;
hdl->obj_handle.fileid = attributes->fileid;
gpfs_handle_ops_init(&hdl->obj_handle.obj_ops);
if (myself->pnfs_mds_enabled)
handle_ops_pnfs(&hdl->obj_handle.obj_ops);
return hdl;
}
static struct pt_fsal_obj_handle *alloc_handle(ptfsal_handle_t *fh,
struct attrlist *attributes,
const char *link_content,
ptfsal_handle_t *dir_fh,
const char *unopenable_name,
struct fsal_export *exp_hdl)
{
struct pt_fsal_obj_handle *hdl;
hdl = gsh_malloc(sizeof(struct pt_fsal_obj_handle)
+ sizeof(ptfsal_handle_t));
if (hdl == NULL)
return NULL;
memset(hdl, 0,
(sizeof(struct pt_fsal_obj_handle) + sizeof(ptfsal_handle_t)));
hdl->handle = (ptfsal_handle_t *) &hdl[1];
memcpy(hdl->handle, fh, sizeof(ptfsal_handle_t));
hdl->obj_handle.type = attributes->type;
hdl->obj_handle.fs = &pt_filesystem;
if (hdl->obj_handle.type == REGULAR_FILE) {
hdl->u.file.fd = -1; /* no open on this yet */
hdl->u.file.openflags = FSAL_O_CLOSED;
} else if (hdl->obj_handle.type == SYMBOLIC_LINK
&& link_content != NULL) {
size_t len = strlen(link_content) + 1;
hdl->u.symlink.link_content = gsh_malloc(len);
if (hdl->u.symlink.link_content == NULL)
goto spcerr;
memcpy(hdl->u.symlink.link_content, link_content, len);
hdl->u.symlink.link_size = len;
} else if (pt_unopenable_type(hdl->obj_handle.type)
&& dir_fh != NULL && unopenable_name != NULL) {
hdl->u.unopenable.dir = gsh_malloc(sizeof(ptfsal_handle_t));
if (hdl->u.unopenable.dir == NULL)
goto spcerr;
memcpy(hdl->u.unopenable.dir, dir_fh, sizeof(ptfsal_handle_t));
hdl->u.unopenable.name =
gsh_malloc(strlen(unopenable_name) + 1);
if (hdl->u.unopenable.name == NULL)
goto spcerr;
strcpy(hdl->u.unopenable.name, unopenable_name);
}
hdl->obj_handle.attributes.mask =
exp_hdl->ops->fs_supported_attrs(exp_hdl);
memcpy(&hdl->obj_handle.attributes, attributes,
sizeof(struct attrlist));
fsal_obj_handle_init(&hdl->obj_handle, exp_hdl, attributes->type);
return hdl;
spcerr:
if (hdl->obj_handle.type == SYMBOLIC_LINK) {
if (hdl->u.symlink.link_content != NULL)
gsh_free(hdl->u.symlink.link_content);
} else if (pt_unopenable_type(hdl->obj_handle.type)) {
if (hdl->u.unopenable.name != NULL)
gsh_free(hdl->u.unopenable.name);
if (hdl->u.unopenable.dir != NULL)
gsh_free(hdl->u.unopenable.dir);
}
gsh_free(hdl); /* elvis has left the building */
return NULL;
}
/* alloc_handle
* allocate and fill in a handle
* this uses malloc/free for the time being.
*/
static struct lustre_fsal_obj_handle *alloc_handle(
struct lustre_file_handle *fh,
struct fsal_filesystem *fs,
struct stat *stat,
const char *link_content,
struct lustre_file_handle *dir_fh,
const char *sock_name,
struct fsal_export *exp_hdl)
{
struct lustre_fsal_obj_handle *hdl;
fsal_status_t st;
hdl =
gsh_malloc(sizeof(struct lustre_fsal_obj_handle) +
sizeof(struct lustre_file_handle));
if (hdl == NULL)
return NULL;
memset(hdl, 0,
(sizeof(struct lustre_fsal_obj_handle) +
sizeof(struct lustre_file_handle)));
hdl->handle = (struct lustre_file_handle *)&hdl[1];
memcpy(hdl->handle, fh, sizeof(struct lustre_file_handle));
hdl->obj_handle.type = posix2fsal_type(stat->st_mode);
hdl->dev = posix2fsal_devt(stat->st_dev);
hdl->obj_handle.fs = fs;
if (hdl->obj_handle.type == REGULAR_FILE) {
hdl->u.file.fd = -1; /* no open on this yet */
hdl->u.file.openflags = FSAL_O_CLOSED;
} else if (hdl->obj_handle.type == SYMBOLIC_LINK
&& link_content != NULL) {
size_t len = strlen(link_content) + 1;
hdl->u.symlink.link_content = gsh_malloc(len);
if (hdl->u.symlink.link_content == NULL)
goto spcerr;
memcpy(hdl->u.symlink.link_content, link_content, len);
hdl->u.symlink.link_size = len;
} else if (hdl->obj_handle.type == SOCKET_FILE && dir_fh != NULL
&& sock_name != NULL) {
hdl->u.sock.sock_dir =
gsh_malloc(sizeof(struct lustre_file_handle));
if (hdl->u.sock.sock_dir == NULL)
goto spcerr;
memcpy(hdl->u.sock.sock_dir, dir_fh,
sizeof(struct lustre_file_handle));
hdl->u.sock.sock_name = gsh_malloc(strlen(sock_name) + 1);
if (hdl->u.sock.sock_name == NULL)
goto spcerr;
strcpy(hdl->u.sock.sock_name, sock_name);
}
hdl->obj_handle.attributes.mask =
exp_hdl->ops->fs_supported_attrs(exp_hdl);
st = posix2fsal_attributes(stat, &hdl->obj_handle.attributes);
if (FSAL_IS_ERROR(st))
goto spcerr;
fsal_obj_handle_init(&hdl->obj_handle, exp_hdl,
posix2fsal_type(stat->st_mode));
return hdl;
spcerr:
if (hdl->obj_handle.type == SYMBOLIC_LINK) {
if (hdl->u.symlink.link_content != NULL)
gsh_free(hdl->u.symlink.link_content);
} else if (hdl->obj_handle.type == SOCKET_FILE) {
if (hdl->u.sock.sock_name != NULL)
gsh_free(hdl->u.sock.sock_name);
if (hdl->u.sock.sock_dir != NULL)
gsh_free(hdl->u.sock.sock_dir);
}
gsh_free(hdl); /* elvis has left the building */
return NULL;
}
static struct vfs_fsal_obj_handle *alloc_handle(int dirfd,
vfs_file_handle_t *fh,
struct fsal_filesystem *fs,
struct stat *stat,
vfs_file_handle_t *dir_fh,
const char *path,
struct fsal_export *exp_hdl)
{
struct vfs_fsal_export *myself =
container_of(exp_hdl, struct vfs_fsal_export, export);
struct vfs_fsal_obj_handle *hdl;
fsal_status_t st;
hdl = gsh_calloc(1,
(sizeof(struct vfs_fsal_obj_handle) +
sizeof(vfs_file_handle_t)));
if (hdl == NULL)
return NULL;
hdl->handle = (vfs_file_handle_t *) &hdl[1];
memcpy(hdl->handle, fh, sizeof(vfs_file_handle_t));
hdl->obj_handle.type = posix2fsal_type(stat->st_mode);
hdl->dev = posix2fsal_devt(stat->st_dev);
hdl->up_ops = exp_hdl->up_ops;
hdl->obj_handle.fs = fs;
if (hdl->obj_handle.type == REGULAR_FILE) {
hdl->u.file.fd = -1; /* no open on this yet */
hdl->u.file.openflags = FSAL_O_CLOSED;
} else if (hdl->obj_handle.type == SYMBOLIC_LINK) {
ssize_t retlink;
size_t len = stat->st_size + 1;
char *link_content = gsh_malloc(len);
if (link_content == NULL)
goto spcerr;
retlink =
vfs_readlink_by_handle(fh, dirfd, path, link_content, len);
if (retlink < 0 || retlink == len)
goto spcerr;
link_content[retlink] = '\0';
hdl->u.symlink.link_content = link_content;
hdl->u.symlink.link_size = len;
} else if (vfs_unopenable_type(hdl->obj_handle.type)) {
/* AF_UNIX sockets, character special, and block
special files require craziness */
if (dir_fh == NULL) {
int retval;
vfs_alloc_handle(dir_fh);
retval =
vfs_fd_to_handle(dirfd, hdl->obj_handle.fs, fh);
if (retval < 0)
goto spcerr;
}
hdl->u.unopenable.dir = gsh_malloc(sizeof(vfs_file_handle_t));
if (hdl->u.unopenable.dir == NULL)
goto spcerr;
memcpy(hdl->u.unopenable.dir, dir_fh,
sizeof(vfs_file_handle_t));
hdl->u.unopenable.name = gsh_strdup(path);
if (hdl->u.unopenable.name == NULL)
goto spcerr;
}
hdl->obj_handle.attributes.mask =
exp_hdl->exp_ops.fs_supported_attrs(exp_hdl);
st = posix2fsal_attributes(stat, &hdl->obj_handle.attributes);
if (FSAL_IS_ERROR(st))
goto spcerr;
hdl->obj_handle.attributes.fsid = fs->fsid;
fsal_obj_handle_init(&hdl->obj_handle, exp_hdl,
posix2fsal_type(stat->st_mode));
vfs_handle_ops_init(&hdl->obj_handle.obj_ops);
vfs_sub_init_handle_ops(myself, &hdl->obj_handle.obj_ops);
return hdl;
spcerr:
if (hdl->obj_handle.type == SYMBOLIC_LINK) {
if (hdl->u.symlink.link_content != NULL)
gsh_free(hdl->u.symlink.link_content);
} else if (vfs_unopenable_type(hdl->obj_handle.type)) {
if (hdl->u.unopenable.name != NULL)
gsh_free(hdl->u.unopenable.name);
if (hdl->u.unopenable.dir != NULL)
gsh_free(hdl->u.unopenable.dir);
}
gsh_free(hdl); /* elvis has left the building */
return NULL;
}
