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Diffstat (limited to 'fs/cifs/cifsglob.h')
-rw-r--r--fs/cifs/cifsglob.h67
1 files changed, 55 insertions, 12 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 0cdfb8c..4f85dfd 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -97,7 +97,7 @@ enum protocolEnum {
/* Netbios frames protocol not supported at this time */
};
-struct mac_key {
+struct session_key {
unsigned int len;
union {
char ntlm[CIFS_SESS_KEY_SIZE + 16];
@@ -139,6 +139,7 @@ struct TCP_Server_Info {
struct sockaddr_in sockAddr;
struct sockaddr_in6 sockAddr6;
} addr;
+ struct sockaddr_storage srcaddr; /* locally bind to this IP */
wait_queue_head_t response_q;
wait_queue_head_t request_q; /* if more than maxmpx to srvr must block*/
struct list_head pending_mid_q;
@@ -182,7 +183,7 @@ struct TCP_Server_Info {
/* 16th byte of RFC1001 workstation name is always null */
char workstation_RFC1001_name[RFC1001_NAME_LEN_WITH_NULL];
__u32 sequence_number; /* needed for CIFS PDU signature */
- struct mac_key mac_signing_key;
+ struct session_key session_key;
char ntlmv2_hash[16];
unsigned long lstrp; /* when we got last response from this server */
u16 dialect; /* dialect index that server chose */
@@ -222,6 +223,8 @@ struct cifsSesInfo {
char userName[MAX_USERNAME_SIZE + 1];
char *domainName;
char *password;
+ unsigned int tilen; /* length of the target info blob */
+ unsigned char *tiblob; /* target info blob in challenge response */
bool need_reconnect:1; /* connection reset, uid now invalid */
};
/* no more than one of the following three session flags may be set */
@@ -308,6 +311,44 @@ struct cifsTconInfo {
};
/*
+ * This is a refcounted and timestamped container for a tcon pointer. The
+ * container holds a tcon reference. It is considered safe to free one of
+ * these when the tl_count goes to 0. The tl_time is the time of the last
+ * "get" on the container.
+ */
+struct tcon_link {
+ unsigned long tl_index;
+ unsigned long tl_flags;
+#define TCON_LINK_MASTER 0
+#define TCON_LINK_PENDING 1
+#define TCON_LINK_IN_TREE 2
+ unsigned long tl_time;
+ atomic_t tl_count;
+ struct cifsTconInfo *tl_tcon;
+};
+
+extern struct tcon_link *cifs_sb_tlink(struct cifs_sb_info *cifs_sb);
+
+static inline struct cifsTconInfo *
+tlink_tcon(struct tcon_link *tlink)
+{
+ return tlink->tl_tcon;
+}
+
+extern void cifs_put_tlink(struct tcon_link *tlink);
+
+static inline struct tcon_link *
+cifs_get_tlink(struct tcon_link *tlink)
+{
+ if (tlink && !IS_ERR(tlink))
+ atomic_inc(&tlink->tl_count);
+ return tlink;
+}
+
+/* This function is always expected to succeed */
+extern struct cifsTconInfo *cifs_sb_master_tcon(struct cifs_sb_info *cifs_sb);
+
+/*
* This info hangs off the cifsFileInfo structure, pointed to by llist.
* This is used to track byte stream locks on the file
*/
@@ -348,6 +389,7 @@ struct cifsFileInfo {
struct file *pfile; /* needed for writepage */
struct inode *pInode; /* needed for oplock break */
struct vfsmount *mnt;
+ struct tcon_link *tlink;
struct mutex lock_mutex;
struct list_head llist; /* list of byte range locks we have. */
bool closePend:1; /* file is marked to close */
@@ -369,6 +411,7 @@ static inline void cifsFileInfo_get(struct cifsFileInfo *cifs_file)
static inline void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
{
if (atomic_dec_and_test(&cifs_file->count)) {
+ cifs_put_tlink(cifs_file->tlink);
iput(cifs_file->pInode);
kfree(cifs_file);
}
@@ -474,16 +517,16 @@ struct oplock_q_entry {
/* for pending dnotify requests */
struct dir_notify_req {
- struct list_head lhead;
- __le16 Pid;
- __le16 PidHigh;
- __u16 Mid;
- __u16 Tid;
- __u16 Uid;
- __u16 netfid;
- __u32 filter; /* CompletionFilter (for multishot) */
- int multishot;
- struct file *pfile;
+ struct list_head lhead;
+ __le16 Pid;
+ __le16 PidHigh;
+ __u16 Mid;
+ __u16 Tid;
+ __u16 Uid;
+ __u16 netfid;
+ __u32 filter; /* CompletionFilter (for multishot) */
+ int multishot;
+ struct file *pfile;
};
struct dfs_info3_param {