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smbd: Set SHARE_MODE_HAS_READ_LEASE when granting a read lease

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Lazy update of the flag: Whenever we add a read lease, we have to set
the flag. Nobody except contend_level2_oplocks_begin will remove that
flag again, as this would mean a full lease traverse when removing
one. And contend_level2_oplocks_begin traverses the leases anyway

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This commit is contained in:
Volker Lendecke 2019-06-30 09:15:48 +02:00 committed by Ralph Boehme
parent 0d4c4e045e
commit ffd098d8bb
1 changed files with 4 additions and 0 deletions
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source3/smbd/open.c
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@ -2355,6 +2355,10 @@ static NTSTATUS grant_fsp_oplock_type(struct smb_request *req,
return NT_STATUS_NO_MEMORY;
}
if (granted & SMB2_LEASE_READ) {
lck->data->flags |= SHARE_MODE_HAS_READ_LEASE;
}
ok = update_num_read_oplocks(fsp, lck);
if (!ok) {
del_share_mode(lck, fsp);