[Samba] locked files in smbstatus

[éric le hénaff]

hello,
can anybody explain or point me to a document that explain the locked files
section produced by smbstatus -L (see below).
what means denymode ? access ? what means exclusive+batch in the oplock
section ?
can anybody point me to a document explaining the way file locking works ?
regards

# smbstatus -L
Locked files:
Pid    DenyMode   Access      R/W        Oplock           Name
--------------------------------------------------------------
18621  DENY_NONE  0x2019f     RDWR       EXCLUSIVE+BATCH
/share/users/David.Schreiber/Ancillon, Notes.doc   Wed Sep  8 14:42:50 2004
9447   DENY_WRITE 0x2019f     RDWR       EXCLUSIVE+BATCH
/share/users/Julie.Valet/mail/attach/Inscription Recto 2004.rtf   Wed Sep  8
11:44:49 2004
13412  DENY_WRITE 0x20089     RDONLY     EXCLUSIVE+BATCH
/share/users/suppr_tmp_users.bat   Wed Sep  8 13:10:44 2004
22515  DENY_NONE  0x20089     RDONLY     EXCLUSIVE+BATCH  ¾W   Wed Sep  8
15:22:31 2004
19366  DENY_WRITE 0x20089     RDONLY     EXCLUSIVE+BATCH  K   Wed Sep  8
14:51:40 2004
3782   DENY_NONE  0x20189     RDONLY     EXCLUSIVE+BATCH
/share/users/Anne.Wettly/mail/attach/Agrippa d'Aubigné.xls   Wed Sep  8
11:12:30 2004
8

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Eric LE HENAFF
Informaticien auprès des bibliothèques de l'ENS
Centre de Ressources Informatiques
Ecole Normale Supérieure
Paris