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NFSv4: Fix up RCU annotations for struct nfs_netns_client

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The identifier is read as an RCU protected string. Its value may
be changed during the lifetime of the network namespace by writing
a new string into the sysfs pseudofile (at which point, we free the
old string only after a call to synchronize_rcu()).

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust
2020-10-14 15:22:11 -04:00
committed by Anna Schumaker
parent 61ca2c4afd
commit 094eca3719
2 changed files with 9 additions and 4 deletions
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2
fs/nfs/sysfs.h
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@@ -11,7 +11,7 @@
struct nfs_netns_client {
struct kobject kobject;
struct net *net;
const char *identifier;
const char __rcu *identifier;
};
extern struct kobject *nfs_client_kobj;