No, to add a dentry to hash client needs holding LOOKUP lock, but lustre
client unhash (see ll_unhash_aliases()) doesn't really remove dentry from
hash, but set LUSTRE_DCACHE_INVALID flag. So in the race you mentioned,
another process may add the dentry but later the lock is canceled soon, so
at
Hello!
On Jan 12, 2012, at 3:52 AM, Lai Siyao wrote:
No, to add a dentry to hash client needs holding LOOKUP lock, but lustre
client unhash (see ll_unhash_aliases()) doesn't really remove dentry from
hash, but set LUSTRE_DCACHE_INVALID flag. So in the race you mentioned,
another process
Helo!
On Jan 12, 2012, at 12:22 AM, Andreas Dilger wrote:
You can download the full result (annotated source code) here:
http://dl.dropbox.com/u/1868416/lustre-2.1.0-scan-build.tar.bz2
(I will delete this file in a couple of days)
Karsten,
can you please split this tarball into a couple of
On Thu, 12 Jan 2012, Oleg Drokin wrote:
Also would be great to run something like this on 2.2 codebase, I guess.
I've updated LU-871 with the results of a new Clang SA scan-build run on
the Lustre 2.1.54 source code (i.e. today's git HEAD):
http://bugs.whamcloud.com/browse/LU-871
(To trim
Lustre Installation and Administration
This is a Whamcloud public enrollment class, cosponsored by Whamcloud and
the Victorian Partnership for Advanced Computing (VPAC).
Course overview:
* Introduction to Lustre filesystem
* Architecting and designing Lustre clusters
* Lustre
