--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ Blocking Locking functions
+ Copyright (C) Jeremy Allison 1998-2003
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+/****************************************************************************
+ This is the structure to queue to implement blocking locks.
+ notify. It consists of the requesting SMB and the expiry time.
+*****************************************************************************/
+
+typedef struct _blocking_lock_record {
+ struct _blocking_lock_record *next;
+ struct _blocking_lock_record *prev;
+ int com_type;
+ files_struct *fsp;
+ time_t expire_time;
+ int lock_num;
+ SMB_BIG_UINT offset;
+ SMB_BIG_UINT count;
+ uint16 lock_pid;
+ char *inbuf;
+ int length;
+} blocking_lock_record;
+
+static blocking_lock_record *blocking_lock_queue;
+
+/****************************************************************************
+ Destructor for the above structure.
+****************************************************************************/
+
+static void free_blocking_lock_record(blocking_lock_record *blr)
+{
+ DLIST_REMOVE(blocking_lock_queue, blr);
+ SAFE_FREE(blr->inbuf);
+ SAFE_FREE(blr);
+}
+
+/****************************************************************************
+ Get the files_struct given a particular queued SMB.
+*****************************************************************************/
+
+static files_struct *get_fsp_from_pkt(char *inbuf)
+{
+ switch(CVAL(inbuf,smb_com)) {
+ case SMBlock:
+ case SMBlockread:
+ return file_fsp(inbuf,smb_vwv0);
+ case SMBlockingX:
+ return file_fsp(inbuf,smb_vwv2);
+ default:
+ DEBUG(0,("get_fsp_from_pkt: PANIC - unknown type on blocking lock queue - exiting.!\n"));
+ exit_server("PANIC - unknown type on blocking lock queue");
+ }
+ return NULL; /* Keep compiler happy. */
+}
+
+/****************************************************************************
+ Determine if this is a secondary element of a chained SMB.
+ **************************************************************************/
+
+static BOOL in_chained_smb(void)
+{
+ return (chain_size != 0);
+}
+
+static void received_unlock_msg(int msg_type, struct process_id src,
+ void *buf, size_t len);
+
+/****************************************************************************
+ Function to push a blocking lock request onto the lock queue.
+****************************************************************************/
+
+BOOL push_blocking_lock_request( char *inbuf, int length, int lock_timeout,
+ int lock_num, uint16 lock_pid, SMB_BIG_UINT offset, SMB_BIG_UINT count)
+{
+ static BOOL set_lock_msg;
+ blocking_lock_record *blr, *tmp;
+ BOOL my_lock_ctx = False;
+ NTSTATUS status;
+
+ if(in_chained_smb() ) {
+ DEBUG(0,("push_blocking_lock_request: cannot queue a chained request (currently).\n"));
+ return False;
+ }
+
+ /*
+ * Now queue an entry on the blocking lock queue. We setup
+ * the expiration time here.
+ */
+
+ if((blr = SMB_MALLOC_P(blocking_lock_record)) == NULL) {
+ DEBUG(0,("push_blocking_lock_request: Malloc fail !\n" ));
+ return False;
+ }
+
+ if((blr->inbuf = (char *)SMB_MALLOC(length)) == NULL) {
+ DEBUG(0,("push_blocking_lock_request: Malloc fail (2)!\n" ));
+ SAFE_FREE(blr);
+ return False;
+ }
+
+ blr->com_type = CVAL(inbuf,smb_com);
+ blr->fsp = get_fsp_from_pkt(inbuf);
+ blr->expire_time = (lock_timeout == -1) ? (time_t)-1 : time(NULL) + (time_t)lock_timeout;
+ blr->lock_num = lock_num;
+ blr->lock_pid = lock_pid;
+ blr->offset = offset;
+ blr->count = count;
+ memcpy(blr->inbuf, inbuf, length);
+ blr->length = length;
+
+ /* Add a pending lock record for this. */
+ status = brl_lock(blr->fsp->dev, blr->fsp->inode, blr->fsp->fnum,
+ lock_pid, procid_self(), blr->fsp->conn->cnum,
+ offset, count, PENDING_LOCK, &my_lock_ctx);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("push_blocking_lock_request: failed to add PENDING_LOCK record.\n"));
+ free_blocking_lock_record(blr);
+ return False;
+ }
+
+ DLIST_ADD_END(blocking_lock_queue, blr, tmp);
+
+ /* Ensure we'll receive messages when this is unlocked. */
+ if (!set_lock_msg) {
+ message_register(MSG_SMB_UNLOCK, received_unlock_msg);
+ set_lock_msg = True;
+ }
+
+ DEBUG(3,("push_blocking_lock_request: lock request length=%d blocked with expiry time %d (+%d) \
+for fnum = %d, name = %s\n", length, (int)blr->expire_time, lock_timeout,
+ blr->fsp->fnum, blr->fsp->fsp_name ));
+
+ /* Push the MID of this packet on the signing queue. */
+ srv_defer_sign_response(SVAL(inbuf,smb_mid));
+
+ return True;
+}
+
+/****************************************************************************
+ Return a smd with a given size.
+*****************************************************************************/
+
+static void send_blocking_reply(char *outbuf, int outsize)
+{
+ if(outsize > 4)
+ smb_setlen(outbuf,outsize - 4);
+
+ if (!send_smb(smbd_server_fd(),outbuf))
+ exit_server("send_blocking_reply: send_smb failed.");
+}
+
+/****************************************************************************
+ Return a lockingX success SMB.
+*****************************************************************************/
+
+static void reply_lockingX_success(blocking_lock_record *blr)
+{
+ char *outbuf = get_OutBuffer();
+ int bufsize = BUFFER_SIZE;
+ char *inbuf = blr->inbuf;
+ int outsize = 0;
+
+ construct_reply_common(inbuf, outbuf);
+ set_message(outbuf,2,0,True);
+
+ /*
+ * As this message is a lockingX call we must handle
+ * any following chained message correctly.
+ * This is normally handled in construct_reply(),
+ * but as that calls switch_message, we can't use
+ * that here and must set up the chain info manually.
+ */
+
+ outsize = chain_reply(inbuf,outbuf,blr->length,bufsize);
+
+ outsize += chain_size;
+
+ send_blocking_reply(outbuf,outsize);
+}
+
+/****************************************************************************
+ Return a generic lock fail error blocking call.
+*****************************************************************************/
+
+static void generic_blocking_lock_error(blocking_lock_record *blr, NTSTATUS status)
+{
+ char *outbuf = get_OutBuffer();
+ char *inbuf = blr->inbuf;
+ construct_reply_common(inbuf, outbuf);
+
+ /* whenever a timeout is given w2k maps LOCK_NOT_GRANTED to
+ FILE_LOCK_CONFLICT! (tridge) */
+ if (NT_STATUS_EQUAL(status, NT_STATUS_LOCK_NOT_GRANTED)) {
+ status = NT_STATUS_FILE_LOCK_CONFLICT;
+ }
+
+ ERROR_NT(status);
+ if (!send_smb(smbd_server_fd(),outbuf))
+ exit_server("generic_blocking_lock_error: send_smb failed.");
+}
+
+/****************************************************************************
+ Return a lock fail error for a lockingX call. Undo all the locks we have
+ obtained first.
+*****************************************************************************/
+
+static void reply_lockingX_error(blocking_lock_record *blr, NTSTATUS status)
+{
+ char *inbuf = blr->inbuf;
+ files_struct *fsp = blr->fsp;
+ connection_struct *conn = conn_find(SVAL(inbuf,smb_tid));
+ uint16 num_ulocks = SVAL(inbuf,smb_vwv6);
+ SMB_BIG_UINT count = (SMB_BIG_UINT)0, offset = (SMB_BIG_UINT) 0;
+ uint16 lock_pid;
+ unsigned char locktype = CVAL(inbuf,smb_vwv3);
+ BOOL large_file_format = (locktype & LOCKING_ANDX_LARGE_FILES);
+ char *data;
+ int i;
+
+ data = smb_buf(inbuf) + ((large_file_format ? 20 : 10)*num_ulocks);
+
+ /*
+ * Data now points at the beginning of the list
+ * of smb_lkrng structs.
+ */
+
+ /*
+ * Ensure we don't do a remove on the lock that just failed,
+ * as under POSIX rules, if we have a lock already there, we
+ * will delete it (and we shouldn't) .....
+ */
+
+ for(i = blr->lock_num - 1; i >= 0; i--) {
+ BOOL err;
+
+ lock_pid = get_lock_pid( data, i, large_file_format);
+ count = get_lock_count( data, i, large_file_format);
+ offset = get_lock_offset( data, i, large_file_format, &err);
+
+ /*
+ * We know err cannot be set as if it was the lock
+ * request would never have been queued. JRA.
+ */
+
+ do_unlock(fsp,conn,lock_pid,count,offset);
+ }
+
+ generic_blocking_lock_error(blr, status);
+}
+
+/****************************************************************************
+ Return a lock fail error.
+*****************************************************************************/
+
+static void blocking_lock_reply_error(blocking_lock_record *blr, NTSTATUS status)
+{
+ switch(blr->com_type) {
+ case SMBlock:
+ case SMBlockread:
+ generic_blocking_lock_error(blr, status);
+ break;
+ case SMBlockingX:
+ reply_lockingX_error(blr, status);
+ break;
+ default:
+ DEBUG(0,("blocking_lock_reply_error: PANIC - unknown type on blocking lock queue - exiting.!\n"));
+ exit_server("PANIC - unknown type on blocking lock queue");
+ }
+}
+
+/****************************************************************************
+ Attempt to finish off getting all pending blocking locks for a lockread call.
+ Returns True if we want to be removed from the list.
+*****************************************************************************/
+
+static BOOL process_lockread(blocking_lock_record *blr)
+{
+ char *outbuf = get_OutBuffer();
+ char *inbuf = blr->inbuf;
+ ssize_t nread = -1;
+ char *data, *p;
+ int outsize = 0;
+ SMB_BIG_UINT startpos;
+ size_t numtoread;
+ NTSTATUS status;
+ connection_struct *conn = conn_find(SVAL(inbuf,smb_tid));
+ files_struct *fsp = blr->fsp;
+ BOOL my_lock_ctx = False;
+
+ numtoread = SVAL(inbuf,smb_vwv1);
+ startpos = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv2);
+
+ numtoread = MIN(BUFFER_SIZE-outsize,numtoread);
+ data = smb_buf(outbuf) + 3;
+
+ status = do_lock_spin( fsp, conn, SVAL(inbuf,smb_pid), (SMB_BIG_UINT)numtoread, startpos, READ_LOCK, &my_lock_ctx);
+ if (NT_STATUS_V(status)) {
+ if (!NT_STATUS_EQUAL(status,NT_STATUS_LOCK_NOT_GRANTED) &&
+ !NT_STATUS_EQUAL(status,NT_STATUS_FILE_LOCK_CONFLICT)) {
+ /*
+ * We have other than a "can't get lock"
+ * error. Send an error.
+ * Return True so we get dequeued.
+ */
+ generic_blocking_lock_error(blr, status);
+ return True;
+ }
+
+ /*
+ * Still waiting for lock....
+ */
+
+ DEBUG(10,("process_lockread: failed to get lock for file = %s. Still waiting....\n",
+ fsp->fsp_name));
+ return False;
+ }
+
+ nread = read_file(fsp,data,startpos,numtoread);
+
+ if (nread < 0) {
+ generic_blocking_lock_error(blr,NT_STATUS_ACCESS_DENIED);
+ return True;
+ }
+
+ construct_reply_common(inbuf, outbuf);
+ outsize = set_message(outbuf,5,0,True);
+
+ outsize += nread;
+ SSVAL(outbuf,smb_vwv0,nread);
+ SSVAL(outbuf,smb_vwv5,nread+3);
+ p = smb_buf(outbuf);
+ *p++ = 1;
+ SSVAL(p,0,nread); p += 2;
+ set_message_end(outbuf, p+nread);
+
+ DEBUG(3, ( "process_lockread file = %s, fnum=%d num=%lu nread=%ld\n",
+ fsp->fsp_name, fsp->fnum, (unsigned long)numtoread, (long)nread ) );
+
+ send_blocking_reply(outbuf,outsize);
+ return True;
+}
+
+/****************************************************************************
+ Attempt to finish off getting all pending blocking locks for a lock call.
+ Returns True if we want to be removed from the list.
+*****************************************************************************/
+
+static BOOL process_lock(blocking_lock_record *blr)
+{
+ char *outbuf = get_OutBuffer();
+ char *inbuf = blr->inbuf;
+ int outsize;
+ SMB_BIG_UINT count = (SMB_BIG_UINT)0, offset = (SMB_BIG_UINT)0;
+ NTSTATUS status;
+ connection_struct *conn = conn_find(SVAL(inbuf,smb_tid));
+ files_struct *fsp = blr->fsp;
+ BOOL my_lock_ctx = False;
+
+ count = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv1);
+ offset = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
+
+ errno = 0;
+ status = do_lock_spin(fsp, conn, SVAL(inbuf,smb_pid), count, offset, WRITE_LOCK, &my_lock_ctx);
+ if (NT_STATUS_IS_ERR(status)) {
+ if (!NT_STATUS_EQUAL(status,NT_STATUS_LOCK_NOT_GRANTED) &&
+ !NT_STATUS_EQUAL(status,NT_STATUS_FILE_LOCK_CONFLICT)) {
+ /*
+ * We have other than a "can't get lock"
+ * error. Send an error.
+ * Return True so we get dequeued.
+ */
+
+ blocking_lock_reply_error(blr, status);
+ return True;
+ }
+ /*
+ * Still can't get the lock - keep waiting.
+ */
+ DEBUG(10,("process_lock: failed to get lock for file = %s. Still waiting....\n",
+ fsp->fsp_name));
+ return False;
+ }
+
+ /*
+ * Success - we got the lock.
+ */
+
+ DEBUG(3,("process_lock : file=%s fnum=%d offset=%.0f count=%.0f\n",
+ fsp->fsp_name, fsp->fnum, (double)offset, (double)count));
+
+ construct_reply_common(inbuf, outbuf);
+ outsize = set_message(outbuf,0,0,True);
+ send_blocking_reply(outbuf,outsize);
+ return True;
+}
+
+/****************************************************************************
+ Attempt to finish off getting all pending blocking locks for a lockingX call.
+ Returns True if we want to be removed from the list.
+*****************************************************************************/
+
+static BOOL process_lockingX(blocking_lock_record *blr)
+{
+ char *inbuf = blr->inbuf;
+ unsigned char locktype = CVAL(inbuf,smb_vwv3);
+ files_struct *fsp = blr->fsp;
+ connection_struct *conn = conn_find(SVAL(inbuf,smb_tid));
+ uint16 num_ulocks = SVAL(inbuf,smb_vwv6);
+ uint16 num_locks = SVAL(inbuf,smb_vwv7);
+ SMB_BIG_UINT count = (SMB_BIG_UINT)0, offset = (SMB_BIG_UINT)0;
+ uint16 lock_pid;
+ BOOL large_file_format = (locktype & LOCKING_ANDX_LARGE_FILES);
+ char *data;
+ BOOL my_lock_ctx = False;
+ NTSTATUS status = NT_STATUS_OK;
+
+ data = smb_buf(inbuf) + ((large_file_format ? 20 : 10)*num_ulocks);
+
+ /*
+ * Data now points at the beginning of the list
+ * of smb_lkrng structs.
+ */
+
+ for(; blr->lock_num < num_locks; blr->lock_num++) {
+ BOOL err;
+
+ lock_pid = get_lock_pid( data, blr->lock_num, large_file_format);
+ count = get_lock_count( data, blr->lock_num, large_file_format);
+ offset = get_lock_offset( data, blr->lock_num, large_file_format, &err);
+
+ /*
+ * We know err cannot be set as if it was the lock
+ * request would never have been queued. JRA.
+ */
+ errno = 0;
+ status = do_lock_spin(fsp,conn,lock_pid,count,offset,
+ ((locktype & 1) ? READ_LOCK : WRITE_LOCK), &my_lock_ctx);
+ if (NT_STATUS_IS_ERR(status)) break;
+ }
+
+ if(blr->lock_num == num_locks) {
+ /*
+ * Success - we got all the locks.
+ */
+
+ DEBUG(3,("process_lockingX file = %s, fnum=%d type=%d num_locks=%d\n",
+ fsp->fsp_name, fsp->fnum, (unsigned int)locktype, num_locks) );
+
+ reply_lockingX_success(blr);
+ return True;
+ } else if (!NT_STATUS_EQUAL(status,NT_STATUS_LOCK_NOT_GRANTED) &&
+ !NT_STATUS_EQUAL(status,NT_STATUS_FILE_LOCK_CONFLICT)) {
+ /*
+ * We have other than a "can't get lock"
+ * error. Free any locks we had and return an error.
+ * Return True so we get dequeued.
+ */
+
+ blocking_lock_reply_error(blr, status);
+ return True;
+ }
+
+ /*
+ * Still can't get all the locks - keep waiting.
+ */
+
+ DEBUG(10,("process_lockingX: only got %d locks of %d needed for file %s, fnum = %d. \
+Waiting....\n",
+ blr->lock_num, num_locks, fsp->fsp_name, fsp->fnum));
+
+ return False;
+}
+
+/****************************************************************************
+ Process a blocking lock SMB.
+ Returns True if we want to be removed from the list.
+*****************************************************************************/
+
+static BOOL blocking_lock_record_process(blocking_lock_record *blr)
+{
+ switch(blr->com_type) {
+ case SMBlock:
+ return process_lock(blr);
+ case SMBlockread:
+ return process_lockread(blr);
+ case SMBlockingX:
+ return process_lockingX(blr);
+ default:
+ DEBUG(0,("blocking_lock_record_process: PANIC - unknown type on blocking lock queue - exiting.!\n"));
+ exit_server("PANIC - unknown type on blocking lock queue");
+ }
+ return False; /* Keep compiler happy. */
+}
+
+/****************************************************************************
+ Delete entries by fnum from the blocking lock pending queue.
+*****************************************************************************/
+
+void remove_pending_lock_requests_by_fid(files_struct *fsp)
+{
+ blocking_lock_record *blr, *next = NULL;
+
+ for(blr = blocking_lock_queue; blr; blr = next) {
+ next = blr->next;
+ if(blr->fsp->fnum == fsp->fnum) {
+
+ DEBUG(10,("remove_pending_lock_requests_by_fid - removing request type %d for \
+file %s fnum = %d\n", blr->com_type, fsp->fsp_name, fsp->fnum ));
+
+ brl_unlock(blr->fsp->dev, blr->fsp->inode, blr->fsp->fnum,
+ blr->lock_pid, procid_self(), blr->fsp->conn->cnum,
+ blr->offset, blr->count, True, NULL, NULL);
+
+ free_blocking_lock_record(blr);
+ }
+ }
+}
+
+/****************************************************************************
+ Delete entries by mid from the blocking lock pending queue. Always send reply.
+*****************************************************************************/
+
+void remove_pending_lock_requests_by_mid(int mid)
+{
+ blocking_lock_record *blr, *next = NULL;
+
+ for(blr = blocking_lock_queue; blr; blr = next) {
+ next = blr->next;
+ if(SVAL(blr->inbuf,smb_mid) == mid) {
+ files_struct *fsp = blr->fsp;
+
+ DEBUG(10,("remove_pending_lock_requests_by_mid - removing request type %d for \
+file %s fnum = %d\n", blr->com_type, fsp->fsp_name, fsp->fnum ));
+
+ blocking_lock_reply_error(blr,NT_STATUS_FILE_LOCK_CONFLICT);
+ brl_unlock(blr->fsp->dev, blr->fsp->inode, blr->fsp->fnum,
+ blr->lock_pid, procid_self(), blr->fsp->conn->cnum,
+ blr->offset, blr->count, True, NULL, NULL);
+ free_blocking_lock_record(blr);
+ }
+ }
+}
+
+/****************************************************************************
+ Set a flag as an unlock request affects one of our pending locks.
+*****************************************************************************/
+
+static void received_unlock_msg(int msg_type, struct process_id src,
+ void *buf, size_t len)
+{
+ DEBUG(10,("received_unlock_msg\n"));
+ process_blocking_lock_queue(time(NULL));
+}
+
+/****************************************************************************
+ Return the number of seconds to the next blocking locks timeout, or default_timeout
+*****************************************************************************/
+
+unsigned blocking_locks_timeout(unsigned default_timeout)
+{
+ unsigned timeout = default_timeout;
+ time_t t;
+ blocking_lock_record *blr = blocking_lock_queue;
+
+ /* note that we avoid the time() syscall if there are no blocking locks */
+ if (!blr)
+ return timeout;
+
+ t = time(NULL);
+
+ for (; blr; blr = blr->next) {
+ if ((blr->expire_time != (time_t)-1) &&
+ (timeout > (blr->expire_time - t))) {
+ timeout = blr->expire_time - t;
+ }
+ }
+
+ if (timeout < 1)
+ timeout = 1;
+
+ return timeout;
+}
+
+/****************************************************************************
+ Process the blocking lock queue. Note that this is only called as root.
+*****************************************************************************/
+
+void process_blocking_lock_queue(time_t t)
+{
+ blocking_lock_record *blr, *next = NULL;
+
+ /*
+ * Go through the queue and see if we can get any of the locks.
+ */
+
+ for (blr = blocking_lock_queue; blr; blr = next) {
+ connection_struct *conn = NULL;
+ uint16 vuid;
+ files_struct *fsp = NULL;
+
+ next = blr->next;
+
+ /*
+ * Ensure we don't have any old chain_fsp values
+ * sitting around....
+ */
+ chain_size = 0;
+ file_chain_reset();
+ fsp = blr->fsp;
+
+ conn = conn_find(SVAL(blr->inbuf,smb_tid));
+ vuid = (lp_security() == SEC_SHARE) ? UID_FIELD_INVALID :
+ SVAL(blr->inbuf,smb_uid);
+
+ DEBUG(5,("process_blocking_lock_queue: examining pending lock fnum = %d for file %s\n",
+ fsp->fnum, fsp->fsp_name ));
+
+ if((blr->expire_time != -1) && (blr->expire_time <= t)) {
+ /*
+ * Lock expired - throw away all previously
+ * obtained locks and return lock error.
+ */
+ DEBUG(5,("process_blocking_lock_queue: pending lock fnum = %d for file %s timed out.\n",
+ fsp->fnum, fsp->fsp_name ));
+
+ brl_unlock(fsp->dev, fsp->inode, fsp->fnum,
+ blr->lock_pid, procid_self(), conn->cnum,
+ blr->offset, blr->count, True, NULL, NULL);
+
+ blocking_lock_reply_error(blr,NT_STATUS_FILE_LOCK_CONFLICT);
+ free_blocking_lock_record(blr);
+ continue;
+ }
+
+ if(!change_to_user(conn,vuid)) {
+ DEBUG(0,("process_blocking_lock_queue: Unable to become user vuid=%d.\n",
+ vuid ));
+ /*
+ * Remove the entry and return an error to the client.
+ */
+ blocking_lock_reply_error(blr,NT_STATUS_ACCESS_DENIED);
+
+ brl_unlock(fsp->dev, fsp->inode, fsp->fnum,
+ blr->lock_pid, procid_self(), conn->cnum,
+ blr->offset, blr->count, True, NULL, NULL);
+
+ free_blocking_lock_record(blr);
+ continue;
+ }
+
+ if(!set_current_service(conn,SVAL(blr->inbuf,smb_flg),True)) {
+ DEBUG(0,("process_blocking_lock_queue: Unable to become service Error was %s.\n", strerror(errno) ));
+ /*
+ * Remove the entry and return an error to the client.
+ */
+ blocking_lock_reply_error(blr,NT_STATUS_ACCESS_DENIED);
+
+ brl_unlock(fsp->dev, fsp->inode, fsp->fnum,
+ blr->lock_pid, procid_self(), conn->cnum,
+ blr->offset, blr->count, True, NULL, NULL);
+
+ free_blocking_lock_record(blr);
+ change_to_root_user();
+ continue;
+ }
+
+ /*
+ * Go through the remaining locks and try and obtain them.
+ * The call returns True if all locks were obtained successfully
+ * and False if we still need to wait.
+ */
+
+ if(blocking_lock_record_process(blr)) {
+
+ brl_unlock(fsp->dev, fsp->inode, fsp->fnum,
+ blr->lock_pid, procid_self(), conn->cnum,
+ blr->offset, blr->count, True, NULL, NULL);
+
+ free_blocking_lock_record(blr);
+ }
+ change_to_root_user();
+ }
+}
projects / samba / blobdiff