bool remove_oplock(files_struct *fsp)
{
bool ret;
struct share_mode_lock *lck;
DEBUG(10, ("remove_oplock called for %s\n",
fsp_str_dbg(fsp)));
/* Remove the oplock flag from the sharemode. */
lck = get_existing_share_mode_lock(talloc_tos(), fsp->file_id);
if (lck == NULL) {
DEBUG(0,("remove_oplock: failed to lock share entry for "
"file %s\n", fsp_str_dbg(fsp)));
return False;
}
ret = remove_share_oplock(lck, fsp);
if (!ret) {
DEBUG(0,("remove_oplock: failed to remove share oplock for "
"file %s, %s, %s\n",
fsp_str_dbg(fsp), fsp_fnum_dbg(fsp),
file_id_string_tos(&fsp->file_id)));
}
release_file_oplock(fsp);
ret = update_num_read_oplocks(fsp, lck);
if (!ret) {
DEBUG(0, ("%s: update_num_read_oplocks failed for "
"file %s, %s, %s\n",
__func__, fsp_str_dbg(fsp), fsp_fnum_dbg(fsp),
file_id_string_tos(&fsp->file_id)));
}
TALLOC_FREE(lck);
return ret;
}
bool remove_oplock(files_struct *fsp)
{
bool ret;
struct share_mode_lock *lck;
DEBUG(10, ("remove_oplock called for %s\n",
fsp_str_dbg(fsp)));
/* Remove the oplock flag from the sharemode. */
lck = get_existing_share_mode_lock(talloc_tos(), fsp->file_id);
if (lck == NULL) {
DEBUG(0,("remove_oplock: failed to lock share entry for "
"file %s\n", fsp_str_dbg(fsp)));
return False;
}
if (fsp->oplock_type == LEVEL_II_OPLOCK) {
/*
* If we're the only LEVEL_II holder, we have to remove the
* have_read_oplocks from the brlock entry
*/
struct share_mode_data *data = lck->data;
uint32_t i, num_level2;
num_level2 = 0;
for (i=0; i<data->num_share_modes; i++) {
if (data->share_modes[i].op_type == LEVEL_II_OPLOCK) {
num_level2 += 1;
}
if (num_level2 > 1) {
/*
* No need to count them all...
*/
break;
}
}
if (num_level2 == 1) {
/*
* That's only us. We are dropping that level2 oplock,
* so remove the brlock flag.
*/
struct byte_range_lock *brl;
brl = brl_get_locks(talloc_tos(), fsp);
if (brl) {
brl_set_have_read_oplocks(brl, false);
TALLOC_FREE(brl);
}
}
}
ret = remove_share_oplock(lck, fsp);
if (!ret) {
DEBUG(0,("remove_oplock: failed to remove share oplock for "
"file %s, %s, %s\n",
fsp_str_dbg(fsp), fsp_fnum_dbg(fsp),
file_id_string_tos(&fsp->file_id)));
}
release_file_oplock(fsp);
TALLOC_FREE(lck);
return ret;
}
