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* NFSv4: Fix up RCU annotations for struct nfs_netns_clientTrond Myklebust2020-10-151-3/+8
| | | | | | | | | | 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>
* fs: nfs: sysfs: Remove NULL check before kfreeSaurav Girepunje2019-11-181-2/+1
| | | | | | | | Remove NULL check before kfree, NULL check is taken care on kfree. Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
* NFS: Add sysfs support for per-container identifierTrond Myklebust2019-07-061-0/+118
| | | | | | | | | In order to identify containers to the NFS client, we add a per-net sysfs attribute that udev can fill with the appropriate identifier. The identifier could be a unique hostname, but in most cases it will probably be a persisted uuid. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
* NFS: Create a root NFS directory in /sys/fs/nfsTrond Myklebust2019-07-061-0/+69
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>