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NFSv4.1: Convert pNFS deviceid to use kfree_rcu()

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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>
This commit is contained in:
Trond Myklebust
2015-03-09 15:23:35 -04:00
parent 2854475f6c
commit 84a80f62f7
6 changed files with 7 additions and 8 deletions
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fs/nfs/flexfilelayout/flexfilelayoutdev.c
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@@ -30,7 +30,7 @@ void nfs4_ff_layout_free_deviceid(struct nfs4_ff_layout_ds *mirror_ds)
{
nfs4_print_deviceid(&mirror_ds->id_node.deviceid);
nfs4_pnfs_ds_put(mirror_ds->ds);
kfree(mirror_ds);
kfree_rcu(mirror_ds, id_node.rcu);
}
/* Decode opaque device data and construct new_ds using it */