Re: parallel lookups on NFS

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, May 01, 2016 at 01:18:16AM +0100, Al Viro wrote:
> On Sun, May 01, 2016 at 01:02:55AM +0100, Al Viro wrote:
> > I wonder if we ought to put a counter into nfs_cache_array, initialized to 1
> > (in nfs_readdir_xdr_to_array()), bumped in get_cache_page() and decremented
> > both in cache_page_release() and in ->freepage().  With actual freeing
> > of names happening only when the sucker reaches 0, and get_cache_page()
> > treating "oops, it's already 0, someone has just evicted it from page cache"
> > as "page_cache_release() and retry".  Objections?
> 
> Something like (completely untested)

No problems after 100 iterations...  Folded and pushed.
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux