diff options
| author | Steve French <sfrench@us.ibm.com> | 2005-10-11 06:52:13 +0400 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-10-11 06:52:13 +0400 |
| commit | 4ca9c190d902caa7efb899a4c7fc8c6e6d926e95 (patch) | |
| tree | 2c2cce67494a43c7cd35063435ac0d18a85dbe4d /fs | |
| parent | 34210f33025a3256b9ac3f0a182f02f1879140cb (diff) | |
| download | linux-4ca9c190d902caa7efb899a4c7fc8c6e6d926e95.tar.xz | |
[CIFS] Fix oops in experimental notify code (when CONFIG_CIFS_EXPERIMENTAL
was turned on).
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/CHANGES | 3 | ||||
| -rw-r--r-- | fs/cifs/README | 2 | ||||
| -rw-r--r-- | fs/cifs/cifsfs.c | 4 | ||||
| -rw-r--r-- | fs/cifs/fcntl.c | 4 |
4 files changed, 12 insertions, 1 deletions
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index 1c249a2abae3..b2a938378bef 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -8,7 +8,8 @@ allowing an SMBs TCP length to be up to a few bytes longer than it should be. wsize and rsize can now be larger than negotiated buffer size if server supports large readx/writex, even when directio mount flag not specified. Write size will in many cases now be 16K instead of 4K which greatly helps -file copy performance on lightly loaded networks. +file copy performance on lightly loaded networks. Fix oops in dnotify +when experimental config flag enabled. Version 1.37 ------------ diff --git a/fs/cifs/README b/fs/cifs/README index 5d9a953888d9..e7a3ce62d71b 100644 --- a/fs/cifs/README +++ b/fs/cifs/README @@ -296,6 +296,8 @@ A partial list of the supported mount options follows: unused. rsize default read size (usually 16K) wsize default write size (usually 16K, 32K is often better over GigE) + maximum wsize currently allowed by CIFS is 57344 (14 4096 byte + pages) rw mount the network share read-write (note that the server may still consider the share read-only) ro mount network share read-only diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 3bc9db522600..d2d16a9c1f05 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -901,6 +901,10 @@ init_cifs(void) INIT_LIST_HEAD(&GlobalSMBSessionList); INIT_LIST_HEAD(&GlobalTreeConnectionList); INIT_LIST_HEAD(&GlobalOplock_Q); +#ifdef CONFIG_CIFS_EXPERIMENTAL + INIT_LIST_HEAD(&GlobalDnotifyReqList); + INIT_LIST_HEAD(&GlobalDnotifyRsp_Q); +#endif /* * Initialize Global counters */ diff --git a/fs/cifs/fcntl.c b/fs/cifs/fcntl.c index d527e2c76073..a7a47bb36bf3 100644 --- a/fs/cifs/fcntl.c +++ b/fs/cifs/fcntl.c @@ -78,6 +78,10 @@ int cifs_dir_notify(struct file * file, unsigned long arg) __u32 filter = FILE_NOTIFY_CHANGE_NAME | FILE_NOTIFY_CHANGE_ATTRIBUTES; __u16 netfid; + + if(experimEnabled == 0) + return 0; + xid = GetXid(); cifs_sb = CIFS_SB(file->f_dentry->d_sb); pTcon = cifs_sb->tcon; |