On 11/09/2010 11:31 AM, Andrew Hendry wrote:
> The server is a qnap NAS, running linux 2.6.24

> On Tue, Nov 9, 2010 at 3:12 PM, Steve French <[email protected]> wrote:
>> On Mon, Nov 8, 2010 at 6:13 PM, Andrew Hendry <[email protected]> 
>> wrote:
>>> Have just noticed these in the past few days, now running 2.6.37-rc1+
>>> Seems to be 1 logged per file save when using a text file with gedit over 
>>> cifs.
>>
>> Can you tell the called function in cifs_setattr_unix vs. cifs_setattr_nounix
>> (the former will usually be called when the server is Samba, the latter
>> when the server is Windows or NetApp). �What is the server type?
>>
>>> unreferenced object 0xffff88022ee08b40 (size 32):
>>> �comm "gedit", pid 2524, jiffies 4300160388 (age 2633.655s)
>>> �hex dump (first 32 bytes):
>>> � �5c 2e 67 6f 75 74 70 75 74 73 74 72 65 61 6d 2d �\.goutputstream-
>>> � �35 42 41 53 4c 56 00 de 09 00 00 00 2c 26 78 ee �5BASLV......,&x.
>>> �backtrace:
>>> � �[<ffffffff81504a4d>] kmemleak_alloc+0x2d/0x60
>>> � �[<ffffffff81136e13>] __kmalloc+0xe3/0x1d0
>>> � �[<ffffffffa0313db0>] build_path_from_dentry+0xf0/0x230 [cifs]
>>> � �[<ffffffffa031ae1e>] cifs_setattr+0x9e/0x770 [cifs]
>>> � �[<ffffffff8115fe90>] notify_change+0x170/0x2e0
>>> � �[<ffffffff81145ceb>] sys_fchmod+0x10b/0x140
>>> � �[<ffffffff8100c172>] system_call_fastpath+0x16/0x1b
>>> � �[<ffffffffffffffff>] 0xffffffffffffffff
>>

Are you using the mount option 'nounix'? I spotted a memleak in the
nounix code path introduced by a recent patch and proposed a fix here:

        http://thread.gmane.org/gmane.linux.kernel.cifs/1549

Does this fix the leak for you?



-- 
Suresh Jayaraman
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