smb/client/file.c

342 			struct cifs_tcon *tcon, unsigned int f_flags, __u32 *oplock,
408 	rc = server->ops->open(xid, &oparms, oplock, buf);
465 				       struct tcon_link *tlink, __u32 oplock,
517 	 * If the server returned a read oplock and we have mandatory brlocks,
518 	 * set oplock level to None.
520 	if (server->ops->is_read_op(oplock) && cifs_has_mand_locks(cinode)) {
521 		cifs_dbg(FYI, "Reset oplock val from read to None due to mand locks\n");
522 		oplock = 0;
530 	if (fid->pending_open->oplock != CIFS_OPLOCK_NO_CHANGE && oplock)
531 		oplock = fid->pending_open->oplock;
535 	server->ops->set_fid(cfile, fid, oplock);
638  * Always potentially wait for oplock handler. See _cifsFileInfo_put().
655  * reference, wait for any running oplock break handler of the file
660  * @offload:	not offloaded on close and oplock breaks
707 		 * again and get at least level II oplock.
760 	__u32 oplock;
822 		oplock = REQ_OPLOCK;
824 		oplock = 0;
833 				file->f_flags, &oplock, &fid.netfid, xid);
862 		rc = cifs_nt_open(full_path, inode, cifs_sb, tcon, file->f_flags, &oplock, &fid,
870 	cfile = cifs_new_fileinfo(&fid, file, tlink, oplock, data.symlink_target);
880 	if ((oplock & CIFS_CREATE_ACTION) && !posix_open_ok && tcon->unix_ext) {
959 	__u32 oplock;
1005 		oplock = REQ_OPLOCK;
1007 		oplock = 0;
1022 				     oflags, &oplock, &cfile->fid.netfid, xid);
1070 	rc = server->ops->open(xid, &oparms, &oplock, NULL);
1073 		rc = server->ops->open(xid, &oparms, &oplock, NULL);
1086 		cifs_dbg(FYI, "oplock: %d\n", oplock);
1124 	 * If the server returned a read oplock and we have mandatory brlocks,
1125 	 * set oplock level to None.
1127 	if (server->ops->is_read_op(oplock) && cifs_has_mand_locks(cinode)) {
1128 		cifs_dbg(FYI, "Reset oplock val from read to None due to mand locks\n");
1129 		oplock = 0;
1132 	server->ops->set_fid(cfile, &cfile->fid, oplock);
1161 			(cinode->oplock == CIFS_CACHE_RHW_FLG ||
1162 			 cinode->oplock == CIFS_CACHE_RH_FLG) &&
2071 			cifs_dbg(FYI, "Set no oplock for inode=%p due to mand locks\n",
2073 			CIFS_I(inode)->oplock = 0;
3910 		 * Zap the cache and set oplock/lease level to NONE to avoid
3917 		cinode->oplock = 0;
4382 	 * if we don't have level II oplock because the server can delay mtime
4880 		((cifsInode->oplock & CIFS_CACHE_RW_FLG) != 0 && from_readdir)) {
4932 	 * optimize away the read when we have an oplock, and we're not
5045 		cifs_dbg(FYI, "Reset oplock to None for inode=%p due to mand locks\n",
5047 		cinode->oplock = 0;
5072 	 * When oplock break is received and there are no active