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authorSteve French <sfrench@us.ibm.com>2005-10-10 10:57:19 -0700
committerSteve French <sfrench@us.ibm.com>2005-10-10 10:57:19 -0700
commit0ae0efada36219024e4e3008f16c993d5d091280 (patch)
tree65e5f46068b31f3d5163e34eec578753f8f99117 /fs/cifs/connect.c
parent68058e757573d4e81550e74c5a03a29a29069ce7 (diff)
downloadop-kernel-dev-0ae0efada36219024e4e3008f16c993d5d091280.zip
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[CIFS] Fix rsize calculation so that large readx flag is checked.
Signed-off-by: Steve French (sfrench@us.ibm.com)
Diffstat (limited to 'fs/cifs/connect.c')
-rw-r--r--fs/cifs/connect.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 31eb9a3..d1c6ace 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -30,6 +30,7 @@
#include <linux/mempool.h>
#include <linux/delay.h>
#include <linux/completion.h>
+#include <linux/pagevec.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
#include "cifspdu.h"
@@ -188,6 +189,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
server->server_RFC1001_name);
}
if(rc) {
+ cERROR(1,("reconnect error %d",rc));
msleep(3000);
} else {
atomic_inc(&tcpSesReconnectCount);
@@ -469,6 +471,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
} else {
/* give server a second to
clean up before reconnect attempt */
+ cERROR(1,("sleep before reconnect"));
msleep(1000);
/* always try 445 first on reconnect
since we get NACK on some if we ever
@@ -556,6 +559,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
dump_smb(smb_buffer, length);
if (checkSMB (smb_buffer, smb_buffer->Mid, total_read+4)) {
cERROR(1, ("Bad SMB Received "));
+ cifs_dump_mem("smb: ", smb_buffer, 48);
continue;
}
@@ -1383,7 +1387,9 @@ ipv4_connect(struct sockaddr_in *psin_server, struct socket **csocket,
the default. sock_setsockopt not used because it expects
user space buffer */
(*csocket)->sk->sk_rcvtimeo = 7 * HZ;
-
+ cERROR(1,("sndbuf %d rcvbuf %d reset to 200K each",(*csocket)->sk->sk_sndbuf, (*csocket)->sk->sk_rcvbuf));
+ (*csocket)->sk->sk_sndbuf = 300 * 1024;
+ (*csocket)->sk->sk_rcvbuf = 200 * 1024;
/* send RFC1001 sessinit */
if(psin_server->sin_port == htons(RFC1001_PORT)) {
@@ -1736,11 +1742,20 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
/* search for existing tcon to this server share */
if (!rc) {
- if((volume_info.rsize) && (volume_info.rsize <= CIFSMaxBufSize))
+ if(volume_info.rsize > CIFSMaxBufSize) {
+ cERROR(1,("rsize %d too large, using MaxBufSize",
+ volume_info.rsize));
+ cifs_sb->rsize = CIFSMaxBufSize;
+ } else if((volume_info.rsize) && (volume_info.rsize <= CIFSMaxBufSize))
cifs_sb->rsize = volume_info.rsize;
- else
- cifs_sb->rsize = srvTcp->maxBuf - MAX_CIFS_HDR_SIZE; /* default */
- if(volume_info.wsize)
+ else /* default */
+ cifs_sb->rsize = CIFSMaxBufSize;
+
+ if(volume_info.wsize > PAGEVEC_SIZE * PAGE_CACHE_SIZE) {
+ cERROR(1,("wsize %d too large using 4096 instead",
+ volume_info.wsize));
+ cifs_sb->wsize = 4096;
+ } else if(volume_info.wsize)
cifs_sb->wsize = volume_info.wsize;
else
cifs_sb->wsize = CIFSMaxBufSize; /* default */
@@ -1895,6 +1910,10 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
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
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