smb/client/file.c

534 			struct cifs_tcon *tcon, unsigned int f_flags, __u32 *oplock,
600 	rc = server->ops->open(xid, &oparms, oplock, buf);
657 				       struct tcon_link *tlink, __u32 oplock,
709 	 * If the server returned a read oplock and we have mandatory brlocks,
710 	 * set oplock level to None.
712 	if (server->ops->is_read_op(oplock) && cifs_has_mand_locks(cinode)) {
713 		cifs_dbg(FYI, "Reset oplock val from read to None due to mand locks\n");
714 		oplock = 0;
722 	if (fid->pending_open->oplock != CIFS_OPLOCK_NO_CHANGE && oplock)
723 		oplock = fid->pending_open->oplock;
727 	server->ops->set_fid(cfile, fid, oplock);
830  * Always potentially wait for oplock handler. See _cifsFileInfo_put().
847  * reference, wait for any running oplock break handler of the file
852  * @offload:	not offloaded on close and oplock breaks
899 		 * again and get at least level II oplock.
952 	__u32 oplock;
1026 		oplock = REQ_OPLOCK;
1028 		oplock = 0;
1037 				file->f_flags, &oplock, &fid.netfid, xid);
1066 		rc = cifs_nt_open(full_path, inode, cifs_sb, tcon, file->f_flags, &oplock, &fid,
1074 	cfile = cifs_new_fileinfo(&fid, file, tlink, oplock, data.symlink_target);
1084 	if ((oplock & CIFS_CREATE_ACTION) && !posix_open_ok && tcon->unix_ext) {
1163 	__u32 oplock;
1209 		oplock = REQ_OPLOCK;
1211 		oplock = 0;
1226 				     oflags, &oplock, &cfile->fid.netfid, xid);
1274 	rc = server->ops->open(xid, &oparms, &oplock, NULL);
1277 		rc = server->ops->open(xid, &oparms, &oplock, NULL);
1290 		cifs_dbg(FYI, "oplock: %d\n", oplock);
1328 	 * If the server returned a read oplock and we have mandatory brlocks,
1329 	 * set oplock level to None.
1331 	if (server->ops->is_read_op(oplock) && cifs_has_mand_locks(cinode)) {
1332 		cifs_dbg(FYI, "Reset oplock val from read to None due to mand locks\n");
1333 		oplock = 0;
1336 	server->ops->set_fid(cfile, &cfile->fid, oplock);
1365 			(cinode->oplock == CIFS_CACHE_RHW_FLG ||
1366 			 cinode->oplock == CIFS_CACHE_RH_FLG) &&
2295 			cifs_dbg(FYI, "Set no oplock for inode=%p due to mand locks\n",
2297 			CIFS_I(inode)->oplock = 0;
2863 		 * Zap the cache and set oplock/lease level to NONE to avoid
2870 		cinode->oplock = 0;
2904 				 "Set no oplock for inode=%p after a write operation\n",
2906 			cinode->oplock = 0;
2941 	 * if we don't have level II oplock because the server can delay mtime
3067 		((cifsInode->oplock & CIFS_CACHE_RW_FLG) != 0 && from_readdir)) {
3122 		cifs_dbg(FYI, "Reset oplock to None for inode=%p due to mand locks\n",
3124 		cinode->oplock = 0;
3149 	 * When oplock break is received and there are no active