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s3:smbd: initial durable handle support: special treatment of durable handles in close

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Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
This commit is contained in:
Michael Adam 2012-08-03 16:47:57 +02:00 committed by Stefan Metzmacher
parent 35260ae89e
commit f935ebdf7a
1 changed files with 44 additions and 0 deletions
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44
source3/smbd/close.c
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@ -706,6 +706,7 @@ static NTSTATUS close_normal_file(struct smb_request *req, files_struct *fsp,
NTSTATUS status = NT_STATUS_OK;
NTSTATUS tmp;
connection_struct *conn = fsp->conn;
bool is_durable = false;
if (fsp->num_aio_requests != 0) {
@ -752,6 +753,49 @@ static NTSTATUS close_normal_file(struct smb_request *req, files_struct *fsp,
tmp = close_filestruct(fsp);
status = ntstatus_keeperror(status, tmp);
if (NT_STATUS_IS_OK(status) && fsp->op != NULL) {
is_durable = fsp->op->global->durable;
}
if (close_type != SHUTDOWN_CLOSE) {
is_durable = false;
}
if (is_durable) {
DATA_BLOB new_cookie = data_blob_null;
tmp = SMB_VFS_DURABLE_DISCONNECT(fsp,
fsp->op->global->backend_cookie,
fsp->op,
&new_cookie);
if (NT_STATUS_IS_OK(tmp)) {
data_blob_free(&fsp->op->global->backend_cookie);
fsp->op->global->backend_cookie = new_cookie;
tmp = smbXsrv_open_update(fsp->op);
}
if (!NT_STATUS_IS_OK(tmp)) {
is_durable = false;
}
}
if (is_durable) {
/*
* This is the case where we successfully disconnected
* a durable handle and closed the underlying file.
* In all other cases, we proceed with a genuine close.
*/
file_free(req, fsp);
return NT_STATUS_OK;
}
if (fsp->op != NULL) {
/*
* Make sure the handle is not marked as durable anymore
*/
fsp->op->global->durable = false;
}
if (fsp->print_file) {
/* FIXME: return spool errors */
print_spool_end(fsp, close_type);