diff options
| author | Steve French <sfrench@us.ibm.com> | 2005-10-05 15:14:33 -0700 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-10-05 15:14:33 -0700 |
| commit | 4a77118cd5018fec11bf86f6f8d659352ad9a92b (patch) | |
| tree | eab48dadfdf7398815b2bba5de93ff2332727386 /fs | |
| parent | 37c0eb4677f733a773df6287b0f73f00274402e3 (diff) | |
| download | linux-4a77118cd5018fec11bf86f6f8d659352ad9a92b.tar.gz | |
CIFS: Allow wsize to exceed CIFSMaxBufSize
This allows cifs_writepages to send data in larger chunks from the page
cache, without requiring larger memory allocations in other cases.
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/connect.c | 2 | ||||
| -rw-r--r-- | fs/cifs/file.c | 8 | ||||
| -rw-r--r-- | fs/cifs/transport.c | 16 |
3 files changed, 10 insertions, 16 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index f05d9e2016d5e6..31eb9a3bf62712 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1740,7 +1740,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb, cifs_sb->rsize = volume_info.rsize; else cifs_sb->rsize = srvTcp->maxBuf - MAX_CIFS_HDR_SIZE; /* default */ - if((volume_info.wsize) && (volume_info.wsize <= CIFSMaxBufSize)) + if(volume_info.wsize) cifs_sb->wsize = volume_info.wsize; else cifs_sb->wsize = CIFSMaxBufSize; /* default */ diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 0473b221f64307..0f66ae5b694ba7 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -925,6 +925,7 @@ static struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *cifs_inode) /* if it fails, try another handle - might be */ /* dangerous to hold up writepages with retry */ if(rc) { + cFYI(1,("failed on reopen file in wp")); read_lock(&GlobalSMBSeslock); continue; } @@ -1028,6 +1029,13 @@ static int cifs_writepages(struct address_space *mapping, if (cifs_sb->wsize < PAGE_CACHE_SIZE) return generic_writepages(mapping, wbc); + /* BB FIXME we do not have code to sign across multiple buffers yet, + so go to older writepage style write which we can sign if needed */ + if((cifs_sb->tcon->ses) && (cifs_sb->tcon->ses->server)) + if(cifs_sb->tcon->ses->server->secMode & + (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) + return generic_writepages(mapping, wbc); + /* * BB: Is this meaningful for a non-block-device file system? * If it is, we should test it again after we do I/O diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index e104c1ad2da3d2..c86b7077b92fff 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -361,22 +361,8 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses, return -ENOMEM; } - if (in_buf->smb_buf_length > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) { - up(&ses->server->tcpSem); - cERROR(1, - ("Illegal length, greater than maximum frame, %d ", - in_buf->smb_buf_length)); - DeleteMidQEntry(midQ); - /* If not lock req, update # of requests on wire to server */ - if(long_op < 3) { - atomic_dec(&ses->server->inFlight); - wake_up(&ses->server->request_q); - } - return -EIO; - } - /* BB FIXME */ -/* rc = cifs_sign_smb2(in_buf, data, ses->server, &midQ->sequence_number); */ +/* rc = cifs_sign_smb2(iov, n_vec, ses->server, &midQ->sequence_number); */ midQ->midState = MID_REQUEST_SUBMITTED; rc = smb_send2(ses->server->ssocket, iov, n_vec, |