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53 Commits

Author SHA1 Message Date
Trond Myklebust
84a80f62f7 NFSv4.1: Convert pNFS deviceid to use kfree_rcu() 
Use of synchronize_rcu() when unmounting and potentially freeing a lot
of deviceids is problematic. There really is no reason why we can't just
use kfree_rcu() here.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
 2015-03-27 12:32:24 -04:00
Tom Haynes
480486b473 pnfs/flexfiles: Do not dprintk after the free 
Found by 0-DAY kernel test infrastructure:

fs/nfs/flexfilelayout/flexfilelayoutdev.c:520:13-16: ERROR: reference preceded by free on line 518
fs/nfs/flexfilelayout/flexfilelayoutdev.c:520:26-29: ERROR: reference preceded by free on line 518
fs/nfs/flexfilelayout/flexfilelayoutdev.c:520:39-42: ERROR: reference preceded by free on line 518
fs/nfs/flexfilelayout/flexfilelayoutdev.c:521:3-6: ERROR: reference preceded by free on line 518

Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
 2015-02-09 22:34:29 -05:00
Tom Haynes
d67ae825a5 pnfs/flexfiles: Add the FlexFile Layout Driver 
The flexfile layout is a new layout that extends the
file layout. It is currently being drafted as a specification at
https://datatracker.ietf.org/doc/draft-ietf-nfsv4-layout-types/

Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
Signed-off-by: Tao Peng <bergwolf@primarydata.com>
 2015-02-03 11:06:52 -08:00