Re: Regression with initramfs and nfsroot (appears to be in the dcache)

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

 



On Fri, Nov 30, 2012 at 01:58:18PM +0000, Myklebust, Trond wrote:

> The reason for the choice of d_drop over d_invalidate() is the d_count
> checks. It really doesn't matter whether or not the client thinks it has
> users for a directory if the server is telling you that it is ESTALE. So
> we force a d_drop to prevent further lookups from finding it.
> 
> IOW: It is there in order to fix the case where the user does
> 'rmdir("foo"); mkdir("foo")' on the server.

You do realize that your have_submounts() check in there is inherently
racy, right?
--
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