提交 d82c2df5 编写于 作者: S Steve French

[CIFS] minor cleanup to cifs_mount

Signed-off-by: NSteve French <sfrench@us.ibm.com>
上级 14fbf50d
......@@ -1368,7 +1368,6 @@ cifs_find_tcp_session(struct sockaddr *addr)
list_for_each(tmp, &cifs_tcp_ses_list) {
server = list_entry(tmp, struct TCP_Server_Info,
tcp_ses_list);
/*
* the demux thread can exit on its own while still in CifsNew
* so don't accept any sockets in that state. Since the
......@@ -1389,6 +1388,7 @@ cifs_find_tcp_session(struct sockaddr *addr)
++server->srv_count;
write_unlock(&cifs_tcp_ses_lock);
cFYI(1, ("Existing tcp session with server found"));
return server;
}
write_unlock(&cifs_tcp_ses_lock);
......@@ -2076,9 +2076,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
}
srvTcp = cifs_find_tcp_session(&addr);
if (srvTcp) {
cFYI(1, ("Existing tcp session with server found"));
} else { /* create socket */
if (!srvTcp) { /* create socket */
if (addr.sa_family == AF_INET6) {
cFYI(1, ("attempting ipv6 connect"));
/* BB should we allow ipv6 on port 139? */
......@@ -2292,45 +2290,41 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
cifs_put_smb_ses(pSesInfo);
else
cifs_put_tcp_session(srvTcp);
} else {
atomic_inc(&tcon->useCount);
cifs_sb->tcon = tcon;
tcon->ses = pSesInfo;
/* 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)
/* 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
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));
goto out;
}
atomic_inc(&tcon->useCount);
cifs_sb->tcon = tcon;
tcon->ses = pSesInfo;
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));
/* 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)
/* 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
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));
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));
/* volume_info.password is freed above when existing session found
(in which case it is not needed anymore) but when new sesion is created
the password ptr is put in the new session structure (in which case the
......
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