Re: [Linux-cachefs] 3.0.3 64-bit Crash running fscache/cachefilesd

[Mark Moseley]

On Thu, Oct 20, 2011 at 1:46 AM, David Howells <dhowells@xxxxxxxxxx> wrote:
> Mark Moseley <moseleymark@xxxxxxxxx> wrote:
>
>> I left the existing cache in place. For a few hours, it was culling
>
> That will be whilst the inode cache was filling, I suspect.
>
>> Is there anything I can do to verify whether the objects are indeed
>> pinned? This is a pretty busy box. The nfs inode cache is quite large
>> (from slabtop):
>
> Hmmm...  Can you get me a dump of /proc/fs/fscache/stats to look at?
>
> The "Objects:" and "Relinqs:" lines are the most interesting.  On the first
> line avl=N shows the number of objects that are in the "available" state -
> ie. are live for caching.
>
> Also, can you do:
>
>        df -i /path/to/cache/partition
>
> to get the number of inodes available and used.


# df /var/cache/fscache/
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sdb6             29338652  16148968  11699352  58% /var/cache/fscache

# df -i /var/cache/fscache/
Filesystem            Inodes   IUsed   IFree IUse% Mounted on
/dev/sdb6            1864128  339163 1524965   19% /var/cache/fscache
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