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[CIFS] minor cleanup to cifs_mount 

Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French 2008-11-15 00:07:26 +00:00
parent 14fbf50d69
commit d82c2df54e
1 changed files with 35 additions and 41 deletions
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76
fs/cifs/connect.c
View File

@ -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? */
@ -2292,44 +2290,40 @@ mount_fail_check:
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));
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));
goto out;
}
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));
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