/** Send a DONE_WRITING rpc. */
static void ll_done_writing(struct inode *inode)
{
struct obd_client_handle *och = NULL;
struct md_op_data *op_data;
int rc;
LASSERT(exp_connect_som(ll_i2mdexp(inode)));
OBD_ALLOC_PTR(op_data);
if (op_data == NULL) {
CERROR("can't allocate op_data\n");
return;
}
ll_prepare_done_writing(inode, op_data, &och);
/* If there is no @och, we do not do D_W yet. */
if (och == NULL)
GOTO(out, 0);
rc = md_done_writing(ll_i2sbi(inode)->ll_md_exp, op_data, NULL);
if (rc == -EAGAIN) {
/* MDS has instructed us to obtain Size-on-MDS attribute from
* OSTs and send setattr to back to MDS. */
rc = ll_som_update(inode, op_data);
} else if (rc) {
CERROR("inode %lu mdc done_writing failed: rc = %d\n",
inode->i_ino, rc);
}
out:
ll_finish_md_op_data(op_data);
if (och) {
md_clear_open_replay_data(ll_i2sbi(inode)->ll_md_exp, och);
OBD_FREE_PTR(och);
}
}
/** Send a DONE_WRITING rpc. */
static void ll_done_writing(struct inode *inode)
{
struct obd_client_handle *och = NULL;
struct md_op_data *op_data;
int rc;
LASSERT(exp_connect_som(ll_i2mdexp(inode)));
op_data = kzalloc(sizeof(*op_data), GFP_NOFS);
if (!op_data)
return;
ll_prepare_done_writing(inode, op_data, &och);
/* If there is no @och, we do not do D_W yet. */
if (och == NULL)
goto out;
rc = md_done_writing(ll_i2sbi(inode)->ll_md_exp, op_data, NULL);
if (rc == -EAGAIN)
/* MDS has instructed us to obtain Size-on-MDS attribute from
* OSTs and send setattr to back to MDS. */
rc = ll_som_update(inode, op_data);
else if (rc)
CERROR("inode %lu mdc done_writing failed: rc = %d\n",
inode->i_ino, rc);
out:
ll_finish_md_op_data(op_data);
if (och) {
md_clear_open_replay_data(ll_i2sbi(inode)->ll_md_exp, och);
kfree(och);
}
}
int llu_md_close(struct obd_export *md_exp, struct inode *inode)
{
struct llu_inode_info *lli = llu_i2info(inode);
struct ll_file_data *fd = lli->lli_file_data;
struct ptlrpc_request *req = NULL;
struct obd_client_handle *och = &fd->fd_mds_och;
struct intnl_stat *st = llu_i2stat(inode);
struct md_op_data op_data = { { 0 } };
int rc;
ENTRY;
/* clear group lock, if present */
if (fd->fd_flags & LL_FILE_GROUP_LOCKED)
llu_put_grouplock(inode, fd->fd_grouplock.cg_gid);
llu_prepare_close(inode, &op_data, fd);
rc = md_close(md_exp, &op_data, och->och_mod, &req);
if (rc == -EAGAIN) {
/* We are the last writer, so the MDS has instructed us to get
* the file size and any write cookies, then close again. */
LASSERT(lli->lli_open_flags & FMODE_WRITE);
rc = llu_som_update(inode, &op_data);
if (rc) {
CERROR("inode %llu mdc Size-on-MDS update failed: "
"rc = %d\n", (long long)st->st_ino, rc);
rc = 0;
}
} else if (rc) {
CERROR("inode %llu close failed: rc %d\n",
(long long)st->st_ino, rc);
} else {
rc = llu_objects_destroy(req, inode);
if (rc)
CERROR("inode %llu ll_objects destroy: rc = %d\n",
(long long)st->st_ino, rc);
}
md_clear_open_replay_data(md_exp, och);
ptlrpc_req_finished(req);
och->och_fh.cookie = DEAD_HANDLE_MAGIC;
lli->lli_file_data = NULL;
OBD_FREE(fd, sizeof(*fd));
RETURN(rc);
}
