static int
xfs_fsal_inode2handle(int fd, ino_t ino, vfs_file_handle_t *fh)
{
xfs_bstat_t bstat;
struct xfs_filehandle hdl;
void *data, *fhdata;
size_t sz, fhsz;
int rv;
if(fh->handle_bytes < sizeof(hdl)) {
errno = E2BIG;
return -1;
}
if((xfs_fsal_bulkstat_inode(fd, ino, &bstat) < 0) ||
(fd_to_handle(fd, &data, &sz) < 0))
return -1;
if ((rv = handle_to_fshandle(data, sz, &fhdata, &fhsz)) >= 0) {
memset(&hdl, 0, sizeof(hdl));
memcpy(&hdl.fh_fshdl, fhdata, fhsz);
hdl.fh_sz_following = XFS_FILEHANDLE_SZ_FOLLOWING;
hdl.fh_gen = bstat.bs_gen;
hdl.fh_ino = bstat.bs_ino;
memcpy(fh->handle, &hdl, sizeof(hdl));
fh->handle_bytes = sizeof(hdl);
free_handle(fhdata, fhsz);
}
free_handle(data, sz);
return rv;
}
static int xfs_fsal_inode2handle(int fd, ino_t ino, vfs_file_handle_t *fh)
{
xfs_bstat_t bstat;
xfs_handle_t *hdl = (xfs_handle_t *) fh->handle_data;
void *data;
size_t sz;
if (fh->handle_len < sizeof(*hdl)) {
errno = E2BIG;
return -1;
}
/* Get the information pertinent to this inode, and
* the file handle for the reference fd.
*/
if ((xfs_fsal_bulkstat_inode(fd, ino, &bstat) < 0) ||
(fd_to_handle(fd, &data, &sz) < 0))
return -1;
/* Copy the fsid from the reference fd */
memcpy(&hdl->ha_fsid, data, sizeof(xfs_fsid_t));
/* Fill in the rest of the handle with the information
* pertinent to this inode.
*/
hdl->ha_fid.fid_len = sizeof(xfs_handle_t) -
sizeof(xfs_fsid_t) -
sizeof(hdl->ha_fid.fid_len);
hdl->ha_fid.fid_pad = 0;
hdl->ha_fid.fid_gen = bstat.bs_gen;
hdl->ha_fid.fid_ino = bstat.bs_ino;
fh->handle_len = sizeof(*hdl);
free_handle(data, sz);
return 0;
}
