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cifs: minor update to comments around the cifs_tcp_ses_lock mutex

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Update comment to note that it protects server->dstaddr

Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Steve French 2020-04-21 23:51:18 -05:00
parent fada37f6f6
commit d92c7ce41e
1 changed files with 2 additions and 1 deletions
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3
fs/cifs/cifsglob.h
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@ -1891,7 +1891,8 @@ GLOBAL_EXTERN struct list_head cifs_tcp_ses_list;
/*
* This lock protects the cifs_tcp_ses_list, the list of smb sessions per
* tcp session, and the list of tcon's per smb session. It also protects
* the reference counters for the server, smb session, and tcon. Finally,
* the reference counters for the server, smb session, and tcon. It also
* protects some fields in the TCP_Server_Info struct such as dstaddr. Finally,
* changes to the tcon->tidStatus should be done while holding this lock.
* generally the locks should be taken in order tcp_ses_lock before
* tcon->open_file_lock and that before file->file_info_lock since the