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-rw-r--r--fs/cifs/connect.c796
1 files changed, 452 insertions, 344 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index da284e3cb65..dbd669cc5bc 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -57,62 +57,6 @@
extern mempool_t *cifs_req_poolp;
-struct smb_vol {
- char *username;
- char *password;
- char *domainname;
- char *UNC;
- char *UNCip;
- char *iocharset; /* local code page for mapping to and from Unicode */
- char source_rfc1001_name[RFC1001_NAME_LEN_WITH_NULL]; /* clnt nb name */
- char target_rfc1001_name[RFC1001_NAME_LEN_WITH_NULL]; /* srvr nb name */
- uid_t cred_uid;
- uid_t linux_uid;
- gid_t linux_gid;
- mode_t file_mode;
- mode_t dir_mode;
- unsigned secFlg;
- bool retry:1;
- bool intr:1;
- bool setuids:1;
- bool override_uid:1;
- bool override_gid:1;
- bool dynperm:1;
- bool noperm:1;
- bool no_psx_acl:1; /* set if posix acl support should be disabled */
- bool cifs_acl:1;
- bool no_xattr:1; /* set if xattr (EA) support should be disabled*/
- bool server_ino:1; /* use inode numbers from server ie UniqueId */
- bool direct_io:1;
- bool strict_io:1; /* strict cache behavior */
- bool remap:1; /* set to remap seven reserved chars in filenames */
- bool posix_paths:1; /* unset to not ask for posix pathnames. */
- bool no_linux_ext:1;
- bool sfu_emul:1;
- bool nullauth:1; /* attempt to authenticate with null user */
- bool nocase:1; /* request case insensitive filenames */
- bool nobrl:1; /* disable sending byte range locks to srv */
- bool mand_lock:1; /* send mandatory not posix byte range lock reqs */
- bool seal:1; /* request transport encryption on share */
- bool nodfs:1; /* Do not request DFS, even if available */
- bool local_lease:1; /* check leases only on local system, not remote */
- bool noblocksnd:1;
- bool noautotune:1;
- bool nostrictsync:1; /* do not force expensive SMBflush on every sync */
- bool fsc:1; /* enable fscache */
- bool mfsymlinks:1; /* use Minshall+French Symlinks */
- bool multiuser:1;
- bool use_smb2:1; /* force smb2 use on mount instead of cifs */
- unsigned int rsize;
- unsigned int wsize;
- bool sockopt_tcp_nodelay:1;
- unsigned short int port;
- unsigned long actimeo; /* attribute cache timeout (jiffies) */
- char *prepath;
- struct sockaddr_storage srcaddr; /* allow binding to a local IP */
- struct nls_table *local_nls;
-};
-
/* FIXME: should these be tunable? */
#define TLINK_ERROR_EXPIRE (1 * HZ)
#define TLINK_IDLE_EXPIRE (600 * HZ)
@@ -121,6 +65,8 @@ static int ip_connect(struct TCP_Server_Info *server);
static int generic_ip_connect(struct TCP_Server_Info *server);
static void tlink_rb_insert(struct rb_root *root, struct tcon_link *new_tlink);
static void cifs_prune_tlinks(struct work_struct *work);
+static int cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data,
+ const char *devname);
/*
* cifs tcp session reconnection
@@ -135,9 +81,10 @@ cifs_reconnect(struct TCP_Server_Info *server)
{
int rc = 0;
struct list_head *tmp, *tmp2;
- struct cifsSesInfo *ses;
- struct cifsTconInfo *tcon;
+ struct cifs_ses *ses;
+ struct cifs_tcon *tcon;
struct mid_q_entry *mid_entry;
+ struct list_head retry_list;
spin_lock(&GlobalMid_Lock);
if (server->tcpStatus == CifsExiting) {
@@ -157,11 +104,11 @@ cifs_reconnect(struct TCP_Server_Info *server)
cFYI(1, "%s: marking sessions and tcons for reconnect", __func__);
spin_lock(&cifs_tcp_ses_lock);
list_for_each(tmp, &server->smb_ses_list) {
- ses = list_entry(tmp, struct cifsSesInfo, smb_ses_list);
+ ses = list_entry(tmp, struct cifs_ses, smb_ses_list);
ses->need_reconnect = true;
ses->ipc_tid = 0;
list_for_each(tmp2, &ses->tcon_list) {
- tcon = list_entry(tmp2, struct cifsTconInfo, tcon_list);
+ tcon = list_entry(tmp2, struct cifs_tcon, tcon_list);
tcon->need_reconnect = true;
}
}
@@ -189,18 +136,25 @@ cifs_reconnect(struct TCP_Server_Info *server)
mutex_unlock(&server->srv_mutex);
/* mark submitted MIDs for retry and issue callback */
- cFYI(1, "%s: issuing mid callbacks", __func__);
+ INIT_LIST_HEAD(&retry_list);
+ cFYI(1, "%s: moving mids to private list", __func__);
spin_lock(&GlobalMid_Lock);
list_for_each_safe(tmp, tmp2, &server->pending_mid_q) {
mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
if (mid_entry->midState == MID_REQUEST_SUBMITTED)
mid_entry->midState = MID_RETRY_NEEDED;
+ list_move(&mid_entry->qhead, &retry_list);
+ }
+ spin_unlock(&GlobalMid_Lock);
+
+ cFYI(1, "%s: issuing mid callbacks", __func__);
+ list_for_each_safe(tmp, tmp2, &retry_list) {
+ mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
list_del_init(&mid_entry->qhead);
mid_entry->callback(mid_entry);
}
- spin_unlock(&GlobalMid_Lock);
- while (server->tcpStatus == CifsNeedReconnect) {
+ do {
try_to_freeze();
/* we should try only the port we connected to before */
@@ -215,7 +169,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
server->tcpStatus = CifsNeedNegotiate;
spin_unlock(&GlobalMid_Lock);
}
- }
+ } while (server->tcpStatus == CifsNeedReconnect);
return rc;
}
@@ -672,12 +626,12 @@ multi_t2_fnd:
mid_entry->when_received = jiffies;
#endif
list_del_init(&mid_entry->qhead);
- mid_entry->callback(mid_entry);
break;
}
spin_unlock(&GlobalMid_Lock);
if (mid_entry != NULL) {
+ mid_entry->callback(mid_entry);
/* Was previous buf put in mpx struct for multi-rsp? */
if (!isMultiRsp) {
/* smb buffer will be freed by user thread */
@@ -741,15 +695,25 @@ multi_t2_fnd:
cifs_small_buf_release(smallbuf);
if (!list_empty(&server->pending_mid_q)) {
+ struct list_head dispose_list;
+
+ INIT_LIST_HEAD(&dispose_list);
spin_lock(&GlobalMid_Lock);
list_for_each_safe(tmp, tmp2, &server->pending_mid_q) {
mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
- cFYI(1, "Clearing Mid 0x%x - issuing callback",
- mid_entry->mid);
+ cFYI(1, "Clearing mid 0x%x", mid_entry->mid);
+ mid_entry->midState = MID_SHUTDOWN;
+ list_move(&mid_entry->qhead, &dispose_list);
+ }
+ spin_unlock(&GlobalMid_Lock);
+
+ /* now walk dispose list and issue callbacks */
+ list_for_each_safe(tmp, tmp2, &dispose_list) {
+ mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
+ cFYI(1, "Callback mid 0x%x", mid_entry->mid);
list_del_init(&mid_entry->qhead);
mid_entry->callback(mid_entry);
}
- spin_unlock(&GlobalMid_Lock);
/* 1/8th of sec is more than enough time for them to exit */
msleep(125);
}
@@ -822,7 +786,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
struct smb_vol *vol)
{
char *value, *data, *end;
- char *mountdata_copy, *options;
+ char *mountdata_copy = NULL, *options;
unsigned int temp_len, i, j;
char separator[2];
short int override_uid = -1;
@@ -1062,13 +1026,6 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
(strnicmp(value, "1", 1) == 0)) {
/* this is the default */
continue;
- } else if ((strnicmp(value, "smb2", 4) == 0) ||
- (strnicmp(value, "2", 1) == 0)) {
-#ifdef CONFIG_CIFS_SMB2
- vol->use_smb2 = true;
-#else
- cERROR(1, "smb2 support not enabled");
-#endif /* CONFIG_CIFS_SMB2 */
}
} else if ((strnicmp(data, "unc", 3) == 0)
|| (strnicmp(data, "target", 6) == 0)
@@ -1404,6 +1361,8 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
vol->server_ino = 1;
} else if (strnicmp(data, "noserverino", 9) == 0) {
vol->server_ino = 0;
+ } else if (strnicmp(data, "rwpidforward", 4) == 0) {
+ vol->rwpidforward = 1;
} else if (strnicmp(data, "cifsacl", 7) == 0) {
vol->cifs_acl = 1;
} else if (strnicmp(data, "nocifsacl", 9) == 0) {
@@ -1434,7 +1393,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
"/proc/fs/cifs/LookupCacheEnabled to 0\n");
} else if (strnicmp(data, "fsc", 3) == 0) {
#ifndef CONFIG_CIFS_FSCACHE
- cERROR(1, "FS-Cache support needs CONFIG_CIFS_FSCACHE"
+ cERROR(1, "FS-Cache support needs CONFIG_CIFS_FSCACHE "
"kernel config option set");
goto cifs_parse_mount_err;
#endif
@@ -1640,16 +1599,35 @@ match_security(struct TCP_Server_Info *server, struct smb_vol *vol)
/* now check if signing mode is acceptable */
if ((secFlags & CIFSSEC_MAY_SIGN) == 0 &&
- (server->secMode & SECMODE_SIGN_REQUIRED))
+ (server->sec_mode & SECMODE_SIGN_REQUIRED))
return false;
else if (((secFlags & CIFSSEC_MUST_SIGN) == CIFSSEC_MUST_SIGN) &&
- (server->secMode &
+ (server->sec_mode &
(SECMODE_SIGN_ENABLED|SECMODE_SIGN_REQUIRED)) == 0)
return false;
return true;
}
+static int match_server(struct TCP_Server_Info *server, struct sockaddr *addr,
+ struct smb_vol *vol)
+{
+ if (!net_eq(cifs_net_ns(server), current->nsproxy->net_ns))
+ return 0;
+
+ if (!match_address(server, addr,
+ (struct sockaddr *)&vol->srcaddr))
+ return 0;
+
+ if (!match_port(server, addr))
+ return 0;
+
+ if (!match_security(server, vol))
+ return 0;
+
+ return 1;
+}
+
static struct TCP_Server_Info *
cifs_find_tcp_session(struct sockaddr *addr, struct smb_vol *vol)
{
@@ -1657,17 +1635,7 @@ cifs_find_tcp_session(struct sockaddr *addr, struct smb_vol *vol)
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) {
- if (!net_eq(cifs_net_ns(server), current->nsproxy->net_ns))
- continue;
-
- if (!match_address(server, addr,
- (struct sockaddr *)&vol->srcaddr))
- continue;
-
- if (!match_port(server, addr))
- continue;
-
- if (!match_security(server, vol))
+ if (!match_server(server, addr, vol))
continue;
++server->srv_count;
@@ -1861,32 +1829,39 @@ out_err:
return ERR_PTR(rc);
}
-static struct cifsSesInfo *
+static int match_session(struct cifs_ses *ses, struct smb_vol *vol)
+{
+ switch (ses->server->secType) {
+ case Kerberos:
+ if (vol->cred_uid != ses->cred_uid)
+ return 0;
+ break;
+ default:
+ /* anything else takes username/password */
+ if (ses->user_name == NULL)
+ return 0;
+ if (strncmp(ses->user_name, vol->username,
+ MAX_USERNAME_SIZE))
+ return 0;
+ if (strlen(vol->username) != 0 &&
+ ses->password != NULL &&
+ strncmp(ses->password,
+ vol->password ? vol->password : "",
+ MAX_PASSWORD_SIZE))
+ return 0;
+ }
+ return 1;
+}
+
+static struct cifs_ses *
cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb_vol *vol)
{
- struct cifsSesInfo *ses;
+ struct cifs_ses *ses;
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {
- switch (server->secType) {
- case Kerberos:
- if (vol->cred_uid != ses->cred_uid)
- continue;
- break;
- default:
- /* anything else takes username/password */
- if (ses->user_name == NULL)
- continue;
- if (strncmp(ses->user_name, vol->username,
- MAX_USERNAME_SIZE))
- continue;
- if (strlen(vol->username) != 0 &&
- ses->password != NULL &&
- strncmp(ses->password,
- vol->password ? vol->password : "",
- MAX_PASSWORD_SIZE))
- continue;
- }
+ if (!match_session(ses, vol))
+ continue;
++ses->ses_count;
spin_unlock(&cifs_tcp_ses_lock);
return ses;
@@ -1896,7 +1871,7 @@ cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb_vol *vol)
}
static void
-cifs_put_smb_ses(struct cifsSesInfo *ses)
+cifs_put_smb_ses(struct cifs_ses *ses)
{
int xid;
struct TCP_Server_Info *server = ses->server;
@@ -1922,11 +1897,11 @@ cifs_put_smb_ses(struct cifsSesInfo *ses)
static bool warned_on_ntlm; /* globals init to false automatically */
-static struct cifsSesInfo *
+static struct cifs_ses *
cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
{
int rc = -ENOMEM, xid;
- struct cifsSesInfo *ses;
+ struct cifs_ses *ses;
struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr;
struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr;
@@ -2003,7 +1978,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
warned_on_ntlm = true;
cERROR(1, "default security mechanism requested. The default "
"security mechanism will be upgraded from ntlm to "
- "ntlmv2 in kernel release 2.6.41");
+ "ntlmv2 in kernel release 3.1");
}
ses->overrideSecFlg = volume_info->secFlg;
@@ -2029,20 +2004,26 @@ get_ses_fail:
return ERR_PTR(rc);
}
-static struct cifsTconInfo *
-cifs_find_tcon(struct cifsSesInfo *ses, const char *unc)
+static int match_tcon(struct cifs_tcon *tcon, const char *unc)
+{
+ if (tcon->tidStatus == CifsExiting)
+ return 0;
+ if (strncmp(tcon->treeName, unc, MAX_TREE_SIZE))
+ return 0;
+ return 1;
+}
+
+static struct cifs_tcon *
+cifs_find_tcon(struct cifs_ses *ses, const char *unc)
{
struct list_head *tmp;
- struct cifsTconInfo *tcon;
+ struct cifs_tcon *tcon;
spin_lock(&cifs_tcp_ses_lock);
list_for_each(tmp, &ses->tcon_list) {
- tcon = list_entry(tmp, struct cifsTconInfo, tcon_list);
- if (tcon->tidStatus == CifsExiting)
+ tcon = list_entry(tmp, struct cifs_tcon, tcon_list);
+ if (!match_tcon(tcon, unc))
continue;
- if (strncmp(tcon->treeName, unc, MAX_TREE_SIZE))
- continue;
-
++tcon->tc_count;
spin_unlock(&cifs_tcp_ses_lock);
return tcon;
@@ -2052,10 +2033,10 @@ cifs_find_tcon(struct cifsSesInfo *ses, const char *unc)
}
static void
-cifs_put_tcon(struct cifsTconInfo *tcon)
+cifs_put_tcon(struct cifs_tcon *tcon)
{
int xid;
- struct cifsSesInfo *ses = tcon->ses;
+ struct cifs_ses *ses = tcon->ses;
cFYI(1, "%s: tc_count=%d\n", __func__, tcon->tc_count);
spin_lock(&cifs_tcp_ses_lock);
@@ -2076,11 +2057,11 @@ cifs_put_tcon(struct cifsTconInfo *tcon)
cifs_put_smb_ses(ses);
}
-static struct cifsTconInfo *
-cifs_get_tcon(struct cifsSesInfo *ses, struct smb_vol *volume_info)
+static struct cifs_tcon *
+cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info)
{
int rc, xid;
- struct cifsTconInfo *tcon;
+ struct cifs_tcon *tcon;
tcon = cifs_find_tcon(ses, volume_info->UNC);
if (tcon) {
@@ -2169,8 +2150,105 @@ cifs_put_tlink(struct tcon_link *tlink)
return;
}
+static inline struct tcon_link *
+cifs_sb_master_tlink(struct cifs_sb_info *cifs_sb)
+{
+ return cifs_sb->master_tlink;
+}
+
+static int
+compare_mount_options(struct super_block *sb, struct cifs_mnt_data *mnt_data)
+{
+ struct cifs_sb_info *old = CIFS_SB(sb);
+ struct cifs_sb_info *new = mnt_data->cifs_sb;
+
+ if ((sb->s_flags & CIFS_MS_MASK) != (mnt_data->flags & CIFS_MS_MASK))
+ return 0;
+
+ if ((old->mnt_cifs_flags & CIFS_MOUNT_MASK) !=
+ (new->mnt_cifs_flags & CIFS_MOUNT_MASK))
+ return 0;
+
+ if (old->rsize != new->rsize)
+ return 0;
+
+ /*
+ * We want to share sb only if we don't specify wsize or specified wsize
+ * is greater or equal than existing one.
+ */
+ if (new->wsize && new->wsize < old->wsize)
+ return 0;
+
+ if (old->mnt_uid != new->mnt_uid || old->mnt_gid != new->mnt_gid)
+ return 0;
+
+ if (old->mnt_file_mode != new->mnt_file_mode ||
+ old->mnt_dir_mode != new->mnt_dir_mode)
+ return 0;
+
+ if (strcmp(old->local_nls->charset, new->local_nls->charset))
+ return 0;
+
+ if (old->actimeo != new->actimeo)
+ return 0;
+
+ return 1;
+}
+
+int
+cifs_match_super(struct super_block *sb, void *data)
+{
+ struct cifs_mnt_data *mnt_data = (struct cifs_mnt_data *)data;
+ struct smb_vol *volume_info;
+ struct cifs_sb_info *cifs_sb;
+ struct TCP_Server_Info *tcp_srv;
+ struct cifs_ses *ses;
+ struct cifs_tcon *tcon;
+ struct tcon_link *tlink;
+ struct sockaddr_storage addr;
+ int rc = 0;
+
+ memset(&addr, 0, sizeof(struct sockaddr_storage));
+
+ spin_lock(&cifs_tcp_ses_lock);
+ cifs_sb = CIFS_SB(sb);
+ tlink = cifs_get_tlink(cifs_sb_master_tlink(cifs_sb));
+ if (IS_ERR(tlink)) {
+ spin_unlock(&cifs_tcp_ses_lock);
+ return rc;
+ }
+ tcon = tlink_tcon(tlink);
+ ses = tcon->ses;
+ tcp_srv = ses->server;
+
+ volume_info = mnt_data->vol;
+
+ if (!volume_info->UNCip || !volume_info->UNC)
+ goto out;
+
+ rc = cifs_fill_sockaddr((struct sockaddr *)&addr,
+ volume_info->UNCip,
+ strlen(volume_info->UNCip),
+ volume_info->port);
+ if (!rc)
+ goto out;
+
+ if (!match_server(tcp_srv, (struct sockaddr *)&addr, volume_info) ||
+ !match_session(ses, volume_info) ||
+ !match_tcon(tcon, volume_info->UNC)) {
+ rc = 0;
+ goto out;
+ }
+
+ rc = compare_mount_options(sb, mnt_data);
+out:
+ spin_unlock(&cifs_tcp_ses_lock);
+ cifs_put_tlink(tlink);
+ return rc;
+}
+
int
-get_dfs_path(int xid, struct cifsSesInfo *pSesInfo, const char *old_path,
+get_dfs_path(int xid, struct cifs_ses *pSesInfo, const char *old_path,
const struct nls_table *nls_codepage, unsigned int *pnum_referrals,
struct dfs_info3_param **preferrals, int remap)
{
@@ -2398,14 +2476,6 @@ generic_ip_connect(struct TCP_Server_Info *server)
if (rc < 0)
return rc;
- rc = socket->ops->connect(socket, saddr, slen, 0);
- if (rc < 0) {
- cFYI(1, "Error %d connecting to server", rc);
- sock_release(socket);
- server->ssocket = NULL;
- return rc;
- }
-
/*
* Eventually check for other socket options to change from
* the default. sock_setsockopt not used because it expects
@@ -2434,6 +2504,14 @@ generic_ip_connect(struct TCP_Server_Info *server)
socket->sk->sk_sndbuf,
socket->sk->sk_rcvbuf, socket->sk->sk_rcvtimeo);
+ rc = socket->ops->connect(socket, saddr, slen, 0);
+ if (rc < 0) {
+ cFYI(1, "Error %d connecting to server", rc);
+ sock_release(socket);
+ server->ssocket = NULL;
+ return rc;
+ }
+
if (sport == htons(RFC1001_PORT))
rc = ip_rfc1001_connect(server);
@@ -2469,8 +2547,8 @@ ip_connect(struct TCP_Server_Info *server)
return generic_ip_connect(server);
}
-void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
- struct super_block *sb, struct smb_vol *vol_info)
+void reset_cifs_unix_caps(int xid, struct cifs_tcon *tcon,
+ struct cifs_sb_info *cifs_sb, struct smb_vol *vol_info)
{
/* if we are reconnecting then should we check to see if
* any requested capabilities changed locally e.g. via
@@ -2498,7 +2576,7 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
if (!CIFSSMBQFSUnixInfo(xid, tcon)) {
__u64 cap = le64_to_cpu(tcon->fsUnixInfo.Capability);
-
+ cFYI(1, "unix caps which server supports %lld", cap);
/* check for reconnect case in which we do not
want to change the mount behavior if we can avoid it */
if (vol_info == NULL) {
@@ -2516,33 +2594,31 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
}
}
+ if (cap & CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP)
+ cERROR(1, "per-share encryption not supported yet");
+
cap &= CIFS_UNIX_CAP_MASK;
if (vol_info && vol_info->no_psx_acl)
cap &= ~CIFS_UNIX_POSIX_ACL_CAP;
else if (CIFS_UNIX_POSIX_ACL_CAP & cap) {
cFYI(1, "negotiated posix acl support");
- if (sb)
- sb->s_flags |= MS_POSIXACL;
+ if (cifs_sb)
+ cifs_sb->mnt_cifs_flags |=
+ CIFS_MOUNT_POSIXACL;
}
if (vol_info && vol_info->posix_paths == 0)
cap &= ~CIFS_UNIX_POSIX_PATHNAMES_CAP;
else if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
cFYI(1, "negotiate posix pathnames");
- if (sb)
- CIFS_SB(sb)->mnt_cifs_flags |=
+ if (cifs_sb)
+ cifs_sb->mnt_cifs_flags |=
CIFS_MOUNT_POSIX_PATHS;
}
- /* We might be setting the path sep back to a different
- form if we are reconnecting and the server switched its
- posix path capability for this share */
- if (sb && (CIFS_SB(sb)->prepathlen > 0))
- CIFS_SB(sb)->prepath[0] = CIFS_DIR_SEP(CIFS_SB(sb));
-
- if (sb && (CIFS_SB(sb)->rsize > 127 * 1024)) {
+ if (cifs_sb && (cifs_sb->rsize > 127 * 1024)) {
if ((cap & CIFS_UNIX_LARGE_READ_CAP) == 0) {
- CIFS_SB(sb)->rsize = 127 * 1024;
+ cifs_sb->rsize = 127 * 1024;
cFYI(DBG2, "larger reads not supported by srv");
}
}
@@ -2564,6 +2640,10 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
cFYI(1, "very large read cap");
if (cap & CIFS_UNIX_LARGE_WRITE_CAP)
cFYI(1, "very large write cap");
+ if (cap & CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP)
+ cFYI(1, "transport encryption cap");
+ if (cap & CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP)
+ cFYI(1, "mandatory transport encryption cap");
#endif /* CIFS_DEBUG2 */
if (CIFSSMBSetFSUnixInfo(xid, tcon, cap)) {
if (vol_info == NULL) {
@@ -2580,31 +2660,14 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
}
}
-static void
-convert_delimiter(char *path, char delim)
-{
- int i;
- char old_delim;
-
- if (path == NULL)
- return;
-
- if (delim == '/')
- old_delim = '\\';
- else
- old_delim = '/';
-
- for (i = 0; path[i] != '\0'; i++) {
- if (path[i] == old_delim)
- path[i] = delim;
- }
-}
-
-static void setup_cifs_sb(struct smb_vol *pvolume_info,
- struct cifs_sb_info *cifs_sb)
+void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
+ struct cifs_sb_info *cifs_sb)
{
INIT_DELAYED_WORK(&cifs_sb->prune_tlinks, cifs_prune_tlinks);
+ spin_lock_init(&cifs_sb->tlink_tree_lock);
+ cifs_sb->tlink_tree = RB_ROOT;
+
if (pvolume_info->rsize > CIFSMaxBufSize) {
cERROR(1, "rsize %d too large, using MaxBufSize",
pvolume_info->rsize);
@@ -2615,40 +2678,19 @@ static void setup_cifs_sb(struct smb_vol *pvolume_info,
else /* default */
cifs_sb->rsize = CIFSMaxBufSize;
- if (pvolume_info->wsize > PAGEVEC_SIZE * PAGE_CACHE_SIZE) {
- cERROR(1, "wsize %d too large, using 4096 instead",
- pvolume_info->wsize);
- cifs_sb->wsize = 4096;
- } else if (pvolume_info->wsize)
- cifs_sb->wsize = pvolume_info->wsize;
- else
- cifs_sb->wsize = min_t(const int,
- PAGEVEC_SIZE * PAGE_CACHE_SIZE,
- 127*1024);
- /* old default of CIFSMaxBufSize was too small now
- that SMB Write2 can send multiple pages in kvec.
- RFC1001 does not describe what happens when frame
- bigger than 128K is sent so use that as max in
- conjunction with 52K kvec constraint on arch with 4K
- page size */
-
if (cifs_sb->rsize < 2048) {
cifs_sb->rsize = 2048;
/* Windows ME may prefer this */
cFYI(1, "readsize set to minimum: 2048");
}
- /* calculate prepath */
- cifs_sb->prepath = pvolume_info->prepath;
- if (cifs_sb->prepath) {
- cifs_sb->prepathlen = strlen(cifs_sb->prepath);
- /* we can not convert the / to \ in the path
- separators in the prefixpath yet because we do not
- know (until reset_cifs_unix_caps is called later)
- whether POSIX PATH CAP is available. We normalize
- the / to \ after reset_cifs_unix_caps is called */
- pvolume_info->prepath = NULL;
- } else
- cifs_sb->prepathlen = 0;
+
+ /*
+ * Temporarily set wsize for matching superblock. If we end up using
+ * new sb then cifs_negotiate_wsize will later negotiate it downward
+ * if needed.
+ */
+ cifs_sb->wsize = pvolume_info->wsize;
+
cifs_sb->mnt_uid = pvolume_info->linux_uid;
cifs_sb->mnt_gid = pvolume_info->linux_gid;
cifs_sb->mnt_file_mode = pvolume_info->file_mode;
@@ -2657,6 +2699,7 @@ static void setup_cifs_sb(struct smb_vol *pvolume_info,
cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode);
cifs_sb->actimeo = pvolume_info->actimeo;
+ cifs_sb->local_nls = pvolume_info->local_nls;
if (pvolume_info->noperm)
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_PERM;
@@ -2676,6 +2719,8 @@ static void setup_cifs_sb(struct smb_vol *pvolume_info,
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NOSSYNC;
if (pvolume_info->mand_lock)
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NOPOSIXBRL;
+ if (pvolume_info->rwpidforward)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_RWPIDFORWARD;
if (pvolume_info->cifs_acl)
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_ACL;
if (pvolume_info->override_uid)
@@ -2709,8 +2754,62 @@ static void setup_cifs_sb(struct smb_vol *pvolume_info,
"mount option supported");
}
+/*
+ * When the server supports very large writes via POSIX extensions, we can
+ * allow up to 2^24-1, minus the size of a WRITE_AND_X header, not including
+ * the RFC1001 length.
+ *
+ * Note that this might make for "interesting" allocation problems during
+ * writeback however as we have to allocate an array of pointers for the
+ * pages. A 16M write means ~32kb page array with PAGE_CACHE_SIZE == 4096.
+ */
+#define CIFS_MAX_WSIZE ((1<<24) - 1 - sizeof(WRITE_REQ) + 4)
+
+/*
+ * When the server doesn't allow large posix writes, only allow a wsize of
+ * 128k minus the size of the WRITE_AND_X header. That allows for a write up
+ * to the maximum size described by RFC1002.
+ */
+#define CIFS_MAX_RFC1002_WSIZE (128 * 1024 - sizeof(WRITE_REQ) + 4)
+
+/*
+ * The default wsize is 1M. find_get_pages seems to return a maximum of 256
+ * pages in a single call. With PAGE_CACHE_SIZE == 4k, this means we can fill
+ * a single wsize request with a single call.
+ */
+#define CIFS_DEFAULT_WSIZE (1024 * 1024)
+
+static unsigned int
+cifs_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info)
+{
+ __u64 unix_cap = le64_to_cpu(tcon->fsUnixInfo.Capability);
+ struct TCP_Server_Info *server = tcon->ses->server;
+ unsigned int wsize = pvolume_info->wsize ? pvolume_info->wsize :
+ CIFS_DEFAULT_WSIZE;
+
+ /* can server support 24-bit write sizes? (via UNIX extensions) */
+ if (!tcon->unix_ext || !(unix_cap & CIFS_UNIX_LARGE_WRITE_CAP))
+ wsize = min_t(unsigned int, wsize, CIFS_MAX_RFC1002_WSIZE);
+
+ /*
+ * no CAP_LARGE_WRITE_X or is signing enabled without CAP_UNIX set?
+ * Limit it to max buffer offered by the server, minus the size of the
+ * WRITEX header, not including the 4 byte RFC1001 length.
+ */
+ if (!(server->capabilities & CAP_LARGE_WRITE_X) ||
+ (!(server->capabilities & CAP_UNIX) &&
+ (server->sec_mode & (SECMODE_SIGN_ENABLED|SECMODE_SIGN_REQUIRED))))
+ wsize = min_t(unsigned int, wsize,
+ server->maxBuf - sizeof(WRITE_REQ) + 4);
+
+ /* hard limit of CIFS_MAX_WSIZE */
+ wsize = min_t(unsigned int, wsize, CIFS_MAX_WSIZE);
+
+ return wsize;
+}
+
static int
-is_path_accessible(int xid, struct cifsTconInfo *tcon,
+is_path_accessible(int xid, struct cifs_tcon *tcon,
struct cifs_sb_info *cifs_sb, const char *full_path)
{
int rc;
@@ -2734,14 +2833,8 @@ is_path_accessible(int xid, struct cifsTconInfo *tcon,
}
static void
-cleanup_volume_info(struct smb_vol **pvolume_info)
+cleanup_volume_info_contents(struct smb_vol *volume_info)
{
- struct smb_vol *volume_info;
-
- if (!pvolume_info || !*pvolume_info)
- return;
-
- volume_info = *pvolume_info;
kfree(volume_info->username);
kzfree(volume_info->password);
kfree(volume_info->UNC);
@@ -2749,39 +2842,44 @@ cleanup_volume_info(struct smb_vol **pvolume_info)
kfree(volume_info->domainname);
kfree(volume_info->iocharset);
kfree(volume_info->prepath);
+}
+
+void
+cifs_cleanup_volume_info(struct smb_vol *volume_info)
+{
+ if (!volume_info)
+ return;
+ cleanup_volume_info_contents(volume_info);
kfree(volume_info);
- *pvolume_info = NULL;
- return;
}
+
#ifdef CONFIG_CIFS_DFS_UPCALL
/* build_path_to_root returns full path to root when
* we do not have an exiting connection (tcon) */
static char *
-build_unc_path_to_root(const struct smb_vol *volume_info,
+build_unc_path_to_root(const struct smb_vol *vol,
const struct cifs_sb_info *cifs_sb)
{
- char *full_path;
+ char *full_path, *pos;
+ unsigned int pplen = vol->prepath ? strlen(vol->prepath) : 0;
+ unsigned int unc_len = strnlen(vol->UNC, MAX_TREE_SIZE + 1);
- int unc_len = strnlen(volume_info->UNC, MAX_TREE_SIZE + 1);
- full_path = kmalloc(unc_len + cifs_sb->prepathlen + 1, GFP_KERNEL);
+ full_path = kmalloc(unc_len + pplen + 1, GFP_KERNEL);
if (full_path == NULL)
return ERR_PTR(-ENOMEM);
- strncpy(full_path, volume_info->UNC, unc_len);
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) {
- int i;
- for (i = 0; i < unc_len; i++) {
- if (full_path[i] == '\\')
- full_path[i] = '/';
- }
- }
+ strncpy(full_path, vol->UNC, unc_len);
+ pos = full_path + unc_len;
- if (cifs_sb->prepathlen)
- strncpy(full_path + unc_len, cifs_sb->prepath,
- cifs_sb->prepathlen);
+ if (pplen) {
+ strncpy(pos, vol->prepath, pplen);
+ pos += pplen;
+ }
- full_path[unc_len + cifs_sb->prepathlen] = 0; /* add trailing null */
+ *pos = '\0'; /* add trailing null */
+ convert_delimiter(full_path, CIFS_DIR_SEP(cifs_sb));
+ cFYI(1, "%s: full_path=%s", __func__, full_path);
return full_path;
}
@@ -2796,7 +2894,7 @@ build_unc_path_to_root(const struct smb_vol *volume_info,
* determine whether there were referrals.
*/
static int
-expand_dfs_referral(int xid, struct cifsSesInfo *pSesInfo,
+expand_dfs_referral(int xid, struct cifs_ses *pSesInfo,
struct smb_vol *volume_info, struct cifs_sb_info *cifs_sb,
int check_prefix)
{
@@ -2824,15 +2922,18 @@ expand_dfs_referral(int xid, struct cifsSesInfo *pSesInfo,
&fake_devname);
free_dfs_info_array(referrals, num_referrals);
- kfree(fake_devname);
-
- if (cifs_sb->mountdata != NULL)
- kfree(cifs_sb->mountdata);
if (IS_ERR(mdata)) {
rc = PTR_ERR(mdata);
mdata = NULL;
+ } else {
+ cleanup_volume_info_contents(volume_info);
+ memset(volume_info, '\0', sizeof(*volume_info));
+ rc = cifs_setup_volume_info(volume_info, mdata,
+ fake_devname);
}
+ kfree(fake_devname);
+ kfree(cifs_sb->mountdata);
cifs_sb->mountdata = mdata;
}
kfree(full_path);
@@ -2840,20 +2941,86 @@ expand_dfs_referral(int xid, struct cifsSesInfo *pSesInfo,
}
#endif
-int
-cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
- const char *devname)
+static int
+cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data,
+ const char *devname)
+{
+ int rc = 0;
+
+ if (cifs_parse_mount_options(mount_data, devname, volume_info))
+ return -EINVAL;
+
+ if (volume_info->nullauth) {
+ cFYI(1, "null user");
+ volume_info->username = kzalloc(1, GFP_KERNEL);
+ if (volume_info->username == NULL)
+ return -ENOMEM;
+ } else if (volume_info->username) {
+ /* BB fixme parse for domain name here */
+ cFYI(1, "Username: %s", volume_info->username);
+ } else {
+ cifserror("No username specified");
+ /* In userspace mount helper we can get user name from alternate
+ locations such as env variables and files on disk */
+ return -EINVAL;
+ }
+
+ /* this is needed for ASCII cp to Unicode converts */
+ if (volume_info->iocharset == NULL) {
+ /* load_nls_default cannot return null */
+ volume_info->local_nls = load_nls_default();
+ } else {
+ volume_info->local_nls = load_nls(volume_info->iocharset);
+ if (volume_info->local_nls == NULL) {
+ cERROR(1, "CIFS mount error: iocharset %s not found",
+ volume_info->iocharset);
+ return -ELIBACC;
+ }
+ }
+
+ return rc;
+}
+
+struct smb_vol *
+cifs_get_volume_info(char *mount_data, const char *devname)
{
int rc;
- int xid;
struct smb_vol *volume_info;
- struct cifsSesInfo *pSesInfo;
- struct cifsTconInfo *tcon;
+
+ volume_info = kzalloc(sizeof(struct smb_vol), GFP_KERNEL);
+ if (!volume_info)
+ return ERR_PTR(-ENOMEM);
+
+ rc = cifs_setup_volume_info(volume_info, mount_data, devname);
+ if (rc) {
+ cifs_cleanup_volume_info(volume_info);
+ volume_info = ERR_PTR(rc);
+ }
+
+ return volume_info;
+}
+
+int
+cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info)
+{
+ int rc = 0;
+ int xid;
+ struct cifs_ses *pSesInfo;
+ struct cifs_tcon *tcon;
struct TCP_Server_Info *srvTcp;
char *full_path;
struct tcon_link *tlink;
#ifdef CONFIG_CIFS_DFS_UPCALL
int referral_walks_count = 0;
+#endif
+
+ rc = bdi_setup_and_register(&cifs_sb->bdi, "cifs", BDI_CAP_MAP_COPY);
+ if (rc)
+ return rc;
+
+ cifs_sb->bdi.ra_pages = default_backing_dev_info.ra_pages;
+
+#ifdef CONFIG_CIFS_DFS_UPCALL
try_mount_again:
/* cleanup activities if we're chasing a referral */
if (referral_walks_count) {
@@ -2862,11 +3029,9 @@ try_mount_again:
else if (pSesInfo)
cifs_put_smb_ses(pSesInfo);
- cleanup_volume_info(&volume_info);
FreeXid(xid);
}
#endif
- rc = 0;
tcon = NULL;
pSesInfo = NULL;
srvTcp = NULL;
@@ -2875,51 +3040,11 @@ try_mount_again:
xid = GetXid();
- volume_info = kzalloc(sizeof(struct smb_vol), GFP_KERNEL);
- if (!volume_info) {
- rc = -ENOMEM;
- goto out;
- }
-
- if (cifs_parse_mount_options(cifs_sb->mountdata, devname,
- volume_info)) {
- rc = -EINVAL;
- goto out;
- }
-
- if (volume_info->nullauth) {
- cFYI(1, "null user");
- volume_info->username = "";
- } else if (volume_info->username) {
- /* BB fixme parse for domain name here */
- cFYI(1, "Username: %s", volume_info->username);
- } else {
- cifserror("No username specified");
- /* In userspace mount helper we can get user name from alternate
- locations such as env variables and files on disk */
- rc = -EINVAL;
- goto out;
- }
-
- /* this is needed for ASCII cp to Unicode converts */
- if (volume_info->iocharset == NULL) {
- /* load_nls_default cannot return null */
- volume_info->local_nls = load_nls_default();
- } else {
- volume_info->local_nls = load_nls(volume_info->iocharset);
- if (volume_info->local_nls == NULL) {
- cERROR(1, "CIFS mount error: iocharset %s not found",
- volume_info->iocharset);
- rc = -ELIBACC;
- goto out;
- }
- }
- cifs_sb->local_nls = volume_info->local_nls;
-
/* get a reference to a tcp session */
srvTcp = cifs_get_tcp_session(volume_info);
if (IS_ERR(srvTcp)) {
rc = PTR_ERR(srvTcp);
+ bdi_destroy(&cifs_sb->bdi);
goto out;
}
@@ -2931,15 +3056,6 @@ try_mount_again:
goto mount_fail_check;
}
- setup_cifs_sb(volume_info, cifs_sb);
- if (pSesInfo->capabilities & CAP_LARGE_FILES)
- sb->s_maxbytes = MAX_LFS_FILESIZE;
- else
- sb->s_maxbytes = MAX_NON_LFS;
-
- /* BB FIXME fix time_gran to be larger for LANMAN sessions */
- sb->s_time_gran = 100;
-
/* search for existing tcon to this server share */
tcon = cifs_get_tcon(pSesInfo, volume_info);
if (IS_ERR(tcon)) {
@@ -2948,35 +3064,36 @@ try_mount_again:
goto remote_path_check;
}
- /* do not care if following two calls succeed - informational */
- if (!tcon->ipc) {
- CIFSSMBQFSDeviceInfo(xid, tcon);
- CIFSSMBQFSAttributeInfo(xid, tcon);
- }
-
/* tell server which Unix caps we support */
- if (tcon->ses->capabilities & CAP_UNIX)
+ if (tcon->ses->capabilities & CAP_UNIX) {
/* reset of caps checks mount to see if unix extensions
disabled for just this mount */
- reset_cifs_unix_caps(xid, tcon, sb, volume_info);
- else
+ reset_cifs_unix_caps(xid, tcon, cifs_sb, volume_info);
+ if ((tcon->ses->server->tcpStatus == CifsNeedReconnect) &&
+ (le64_to_cpu(tcon->fsUnixInfo.Capability) &
+ CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP)) {
+ rc = -EACCES;
+ goto mount_fail_check;
+ }
+ } else
tcon->unix_ext = 0; /* server does not support them */
- /* convert forward to back slashes in prepath here if needed */
- if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) == 0)
- convert_delimiter(cifs_sb->prepath, CIFS_DIR_SEP(cifs_sb));
+ /* do not care if following two calls succeed - informational */
+ if (!tcon->ipc) {
+ CIFSSMBQFSDeviceInfo(xid, tcon);
+ CIFSSMBQFSAttributeInfo(xid, tcon);
+ }
if ((tcon->unix_ext == 0) && (cifs_sb->rsize > (1024 * 127))) {
cifs_sb->rsize = 1024 * 127;
cFYI(DBG2, "no very large read support, rsize now 127K");
}
- if (!(tcon->ses->capabilities & CAP_LARGE_WRITE_X))
- cifs_sb->wsize = min(cifs_sb->wsize,
- (tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE));
if (!(tcon->ses->capabilities & CAP_LARGE_READ_X))
cifs_sb->rsize = min(cifs_sb->rsize,
(tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE));
+ cifs_sb->wsize = cifs_negotiate_wsize(tcon, volume_info);
+
remote_path_check:
#ifdef CONFIG_CIFS_DFS_UPCALL
/*
@@ -2996,10 +3113,10 @@ remote_path_check:
}
#endif
- /* check if a whole path (including prepath) is not remote */
+ /* check if a whole path is not remote */
if (!rc && tcon) {
/* build_path_to_root works only when we have a valid tcon */
- full_path = cifs_build_path_to_root(cifs_sb, tcon);
+ full_path = cifs_build_path_to_root(volume_info, cifs_sb, tcon);
if (full_path == NULL) {
rc = -ENOMEM;
goto mount_fail_check;
@@ -3025,10 +3142,6 @@ remote_path_check:
rc = -ELOOP;
goto mount_fail_check;
}
- /* convert forward to back slashes in prepath here if needed */
- if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) == 0)
- convert_delimiter(cifs_sb->prepath,
- CIFS_DIR_SEP(cifs_sb));
rc = expand_dfs_referral(xid, pSesInfo, volume_info, cifs_sb,
true);
@@ -3078,6 +3191,7 @@ mount_fail_check:
cifs_put_smb_ses(pSesInfo);
else
cifs_put_tcp_session(srvTcp);
+ bdi_destroy(&cifs_sb->bdi);
goto out;
}
@@ -3087,14 +3201,17 @@ mount_fail_check:
password will be freed at unmount time) */
out:
/* zero out password before freeing */
- cleanup_volume_info(&volume_info);
FreeXid(xid);
return rc;
}
+/*
+ * Issue a TREE_CONNECT request. Note that for IPC$ shares, that the tcon
+ * pointer may be NULL.
+ */
int
-CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
- const char *tree, struct cifsTconInfo *tcon,
+CIFSTCon(unsigned int xid, struct cifs_ses *ses,
+ const char *tree, struct cifs_tcon *tcon,
const struct nls_table *nls_codepage)
{
struct smb_hdr *smb_buffer;
@@ -3126,7 +3243,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
pSMB->AndXCommand = 0xFF;
pSMB->Flags = cpu_to_le16(TCON_EXTENDED_SECINFO);
bcc_ptr = &pSMB->Password[0];
- if ((ses->server->secMode) & SECMODE_USER) {
+ if (!tcon || (ses->server->sec_mode & SECMODE_USER)) {
pSMB->PasswordLength = cpu_to_le16(1); /* minimum */
*bcc_ptr = 0; /* password is null byte */
bcc_ptr++; /* skip password */
@@ -3143,7 +3260,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
if ((global_secflags & CIFSSEC_MAY_LANMAN) &&
(ses->server->secType == LANMAN))
calc_lanman_hash(tcon->password, ses->server->cryptkey,
- ses->server->secMode &
+ ses->server->sec_mode &
SECMODE_PW_ENCRYPT ? true : false,
bcc_ptr);
else
@@ -3159,7 +3276,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
}
}
- if (ses->server->secMode &
+ if (ses->server->sec_mode &
(SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
@@ -3249,13 +3366,12 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
return rc;
}
-int
-cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
+void
+cifs_umount(struct cifs_sb_info *cifs_sb)
{
struct rb_root *root = &cifs_sb->tlink_tree;
struct rb_node *node;
struct tcon_link *tlink;
- char *tmp;
cancel_delayed_work_sync(&cifs_sb->prune_tlinks);
@@ -3272,15 +3388,13 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
}
spin_unlock(&cifs_sb->tlink_tree_lock);
- tmp = cifs_sb->prepath;
- cifs_sb->prepathlen = 0;
- cifs_sb->prepath = NULL;
- kfree(tmp);
-
- return 0;
+ bdi_destroy(&cifs_sb->bdi);
+ kfree(cifs_sb->mountdata);
+ unload_nls(cifs_sb->local_nls);
+ kfree(cifs_sb);
}
-int cifs_negotiate_protocol(unsigned int xid, struct cifsSesInfo *ses)
+int cifs_negotiate_protocol(unsigned int xid, struct cifs_ses *ses)
{
int rc = 0;
struct TCP_Server_Info *server = ses->server;
@@ -3298,7 +3412,7 @@ int cifs_negotiate_protocol(unsigned int xid, struct cifsSesInfo *ses)
}
if (rc == 0) {
spin_lock(&GlobalMid_Lock);
- if (server->tcpStatus != CifsExiting)
+ if (server->tcpStatus == CifsNeedNegotiate)
server->tcpStatus = CifsGood;
else
rc = -EHOSTDOWN;
@@ -3310,7 +3424,7 @@ int cifs_negotiate_protocol(unsigned int xid, struct cifsSesInfo *ses)
}
-int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses,
+int cifs_setup_session(unsigned int xid, struct cifs_ses *ses,
struct nls_table *nls_info)
{
int rc = 0;
@@ -3322,7 +3436,7 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses,
ses->capabilities &= (~CAP_UNIX);
cFYI(1, "Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d",
- server->secMode, server->capabilities, server->timeAdj);
+ server->sec_mode, server->capabilities, server->timeAdj);
rc = CIFS_SessSetup(xid, ses, nls_info);
if (rc) {
@@ -3354,12 +3468,12 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses,
return rc;
}
-static struct cifsTconInfo *
+static struct cifs_tcon *
cifs_construct_tcon(struct cifs_sb_info *cifs_sb, uid_t fsuid)
{
- struct cifsTconInfo *master_tcon = cifs_sb_master_tcon(cifs_sb);
- struct cifsSesInfo *ses;
- struct cifsTconInfo *tcon = NULL;
+ struct cifs_tcon *master_tcon = cifs_sb_master_tcon(cifs_sb);
+ struct cifs_ses *ses;
+ struct cifs_tcon *tcon = NULL;
struct smb_vol *vol_info;
char username[28]; /* big enough for "krb50x" + hex of ULONG_MAX 6+16 */
/* We used to have this as MAX_USERNAME which is */
@@ -3392,7 +3506,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, uid_t fsuid)
ses = cifs_get_smb_ses(master_tcon->ses->server, vol_info);
if (IS_ERR(ses)) {
- tcon = (struct cifsTconInfo *)ses;
+ tcon = (struct cifs_tcon *)ses;
cifs_put_tcp_session(master_tcon->ses->server);
goto out;
}
@@ -3411,13 +3525,7 @@ out:
return tcon;
}
-static inline struct tcon_link *
-cifs_sb_master_tlink(struct cifs_sb_info *cifs_sb)
-{
- return cifs_sb->master_tlink;
-}
-
-struct cifsTconInfo *
+struct cifs_tcon *
cifs_sb_master_tcon(struct cifs_sb_info *cifs_sb)
{
return tlink_tcon(cifs_sb_master_tlink(cifs_sb));
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-25 01:10:30 +0000