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authorSteve French <sfrench@us.ibm.com>2008-11-15 01:07:26 +0100
committerSteve French <sfrench@us.ibm.com>2008-11-15 01:07:26 +0100
commitd82c2df54e2f7e447476350848d8eccc8d2fe46a (patch)
treeb48fa40fc34a87d9fd83254a8fdfb3e8173a6348 /fs/cifs
parentcifs: reinstate sharing of SMB sessions sans races (diff)
downloadlinux-d82c2df54e2f7e447476350848d8eccc8d2fe46a.tar.xz
linux-d82c2df54e2f7e447476350848d8eccc8d2fe46a.zip
[CIFS] minor cleanup to cifs_mount
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/connect.c74
1 files changed, 34 insertions, 40 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 44130e052e0b..a3dc0d7cafc3 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -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 @@ 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));
+ 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