static ssize_t tsmsm_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fsp, const DATA_BLOB *hdr,
SMB_OFF_T offset, size_t n)
{
bool file_offline = tsmsm_aio_force(handle, fsp);
if (file_offline) {
DEBUG(10,("tsmsm_sendfile on offline file - rejecting\n"));
errno = ENOSYS;
return -1;
}
return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, hdr, offset, n);
}
static ssize_t cprime_sendfile(
struct vfs_handle_struct * handle,
int tofd,
files_struct * fsp,
int fromfd,
const DATA_BLOB * header,
SMB_OFF_T offset,
size_t count)
{
if (g_readbuf && offset == 0) {
prime_cache(handle, fsp, fromfd, offset, count);
}
return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, fromfd,
header, offset, count);
}
static ssize_t readahead_sendfile(struct vfs_handle_struct *handle,
int tofd,
files_struct *fromfsp,
const DATA_BLOB *header,
off_t offset,
size_t count)
{
struct readahead_data *rhd = (struct readahead_data *)handle->data;
if ( offset % rhd->off_bound == 0) {
#if defined(HAVE_LINUX_READAHEAD)
int err = readahead(fromfsp->fh->fd, offset, (size_t)rhd->len);
DEBUG(10,("readahead_sendfile: readahead on fd %u, offset %llu, len %u returned %d\n",
(unsigned int)fromfsp->fh->fd,
(unsigned long long)offset,
(unsigned int)rhd->len,
err ));
#elif defined(HAVE_POSIX_FADVISE)
int err = posix_fadvise(fromfsp->fh->fd, offset, (off_t)rhd->len, POSIX_FADV_WILLNEED);
DEBUG(10,("readahead_sendfile: posix_fadvise on fd %u, offset %llu, len %u returned %d\n",
(unsigned int)fromfsp->fh->fd,
(unsigned long long)offset,
(unsigned int)rhd->len,
err ));
#else
if (!rhd->didmsg) {
DEBUG(0,("readahead_sendfile: no readahead on this platform\n"));
rhd->didmsg = True;
}
#endif
}
return SMB_VFS_NEXT_SENDFILE(handle,
tofd,
fromfsp,
header,
offset,
count);
}
static ssize_t skel_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *hdr, SMB_OFF_T offset, size_t n)
{
return SMB_VFS_NEXT_SENDFILE(handle, tofd, fromfsp, hdr, offset, n);
}
