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authorSteve French <sfrench@us.ibm.com>2008-11-14 19:07:26 -0500
committerSteve French <sfrench@us.ibm.com>2008-11-14 19:07:26 -0500
commitd82c2df54e2f7e447476350848d8eccc8d2fe46a (patch)
treeb48fa40fc34a87d9fd83254a8fdfb3e8173a6348 /fs
parent14fbf50d695207754daeb96270b3027a3821121f (diff)
[CIFS] minor cleanup to cifs_mount
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs')
-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 44130e052e0..a3dc0d7cafc 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1368,7 +1368,6 @@ cifs_find_tcp_session(struct sockaddr *addr)
1368 list_for_each(tmp, &cifs_tcp_ses_list) { 1368 list_for_each(tmp, &cifs_tcp_ses_list) {
1369 server = list_entry(tmp, struct TCP_Server_Info, 1369 server = list_entry(tmp, struct TCP_Server_Info,
1370 tcp_ses_list); 1370 tcp_ses_list);
1371
1372 /* 1371 /*
1373 * the demux thread can exit on its own while still in CifsNew 1372 * the demux thread can exit on its own while still in CifsNew
1374 * so don't accept any sockets in that state. Since the 1373 * so don't accept any sockets in that state. Since the
@@ -1389,6 +1388,7 @@ cifs_find_tcp_session(struct sockaddr *addr)
1389 1388
1390 ++server->srv_count; 1389 ++server->srv_count;
1391 write_unlock(&cifs_tcp_ses_lock); 1390 write_unlock(&cifs_tcp_ses_lock);
1391 cFYI(1, ("Existing tcp session with server found"));
1392 return server; 1392 return server;
1393 } 1393 }
1394 write_unlock(&cifs_tcp_ses_lock); 1394 write_unlock(&cifs_tcp_ses_lock);
@@ -2076,9 +2076,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
2076 } 2076 }
2077 2077
2078 srvTcp = cifs_find_tcp_session(&addr); 2078 srvTcp = cifs_find_tcp_session(&addr);
2079 if (srvTcp) { 2079 if (!srvTcp) { /* create socket */
2080 cFYI(1, ("Existing tcp session with server found"));
2081 } else { /* create socket */
2082 if (addr.sa_family == AF_INET6) { 2080 if (addr.sa_family == AF_INET6) {
2083 cFYI(1, ("attempting ipv6 connect")); 2081 cFYI(1, ("attempting ipv6 connect"));
2084 /* BB should we allow ipv6 on port 139? */ 2082 /* BB should we allow ipv6 on port 139? */
@@ -2292,45 +2290,41 @@ mount_fail_check:
2292 cifs_put_smb_ses(pSesInfo); 2290 cifs_put_smb_ses(pSesInfo);
2293 else 2291 else
2294 cifs_put_tcp_session(srvTcp); 2292 cifs_put_tcp_session(srvTcp);
2295 } else { 2293 goto out;
2296 atomic_inc(&tcon->useCount); 2294 }
2297 cifs_sb->tcon = tcon; 2295 atomic_inc(&tcon->useCount);
2298 tcon->ses = pSesInfo; 2296 cifs_sb->tcon = tcon;
2299 2297 tcon->ses = pSesInfo;
2300 /* do not care if following two calls succeed - informational */
2301 if (!tcon->ipc) {
2302 CIFSSMBQFSDeviceInfo(xid, tcon);
2303 CIFSSMBQFSAttributeInfo(xid, tcon);
2304 }
2305
2306 /* tell server which Unix caps we support */
2307 if (tcon->ses->capabilities & CAP_UNIX)
2308 /* reset of caps checks mount to see if unix extensions
2309 disabled for just this mount */
2310 reset_cifs_unix_caps(xid, tcon, sb, &volume_info);
2311 else
2312 tcon->unix_ext = 0; /* server does not support them */
2313
2314 /* convert forward to back slashes in prepath here if needed */
2315 if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) == 0)
2316 convert_delimiter(cifs_sb->prepath,
2317 CIFS_DIR_SEP(cifs_sb));
2318 2298
2319 if ((tcon->unix_ext == 0) && (cifs_sb->rsize > (1024 * 127))) { 2299 /* do not care if following two calls succeed - informational */
2320 cifs_sb->rsize = 1024 * 127; 2300 if (!tcon->ipc) {
2321 cFYI(DBG2, 2301 CIFSSMBQFSDeviceInfo(xid, tcon);
2322 ("no very large read support, rsize now 127K")); 2302 CIFSSMBQFSAttributeInfo(xid, tcon);
2323 }
2324 if (!(tcon->ses->capabilities & CAP_LARGE_WRITE_X))
2325 cifs_sb->wsize = min(cifs_sb->wsize,
2326 (tcon->ses->server->maxBuf -
2327 MAX_CIFS_HDR_SIZE));
2328 if (!(tcon->ses->capabilities & CAP_LARGE_READ_X))
2329 cifs_sb->rsize = min(cifs_sb->rsize,
2330 (tcon->ses->server->maxBuf -
2331 MAX_CIFS_HDR_SIZE));
2332 } 2303 }
2333 2304
2305 /* tell server which Unix caps we support */
2306 if (tcon->ses->capabilities & CAP_UNIX)
2307 /* reset of caps checks mount to see if unix extensions
2308 disabled for just this mount */
2309 reset_cifs_unix_caps(xid, tcon, sb, &volume_info);
2310 else
2311 tcon->unix_ext = 0; /* server does not support them */
2312
2313 /* convert forward to back slashes in prepath here if needed */
2314 if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) == 0)
2315 convert_delimiter(cifs_sb->prepath, CIFS_DIR_SEP(cifs_sb));
2316
2317 if ((tcon->unix_ext == 0) && (cifs_sb->rsize > (1024 * 127))) {
2318 cifs_sb->rsize = 1024 * 127;
2319 cFYI(DBG2, ("no very large read support, rsize now 127K"));
2320 }
2321 if (!(tcon->ses->capabilities & CAP_LARGE_WRITE_X))
2322 cifs_sb->wsize = min(cifs_sb->wsize,
2323 (tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE));
2324 if (!(tcon->ses->capabilities & CAP_LARGE_READ_X))
2325 cifs_sb->rsize = min(cifs_sb->rsize,
2326 (tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE));
2327
2334 /* volume_info.password is freed above when existing session found 2328 /* volume_info.password is freed above when existing session found
2335 (in which case it is not needed anymore) but when new sesion is created 2329 (in which case it is not needed anymore) but when new sesion is created
2336 the password ptr is put in the new session structure (in which case the 2330 the password ptr is put in the new session structure (in which case the