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NFSv4: nfs_inode_find_state_and_recover() should check all stateids

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Modify the helper nfs_inode_find_state_and_recover() so that it
can check all open/lock/delegation state trackers on that inode for
whether or not they need are affected by a revoked stateid error.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust
2016-09-22 13:39:07 -04:00
committed by Anna Schumaker
parent 059b43e974
commit 6c2d8f8d30
3 changed files with 60 additions and 5 deletions
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19
fs/nfs/delegation.c
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@@ -1001,6 +1001,25 @@ restart:
rcu_read_unlock();
}
void nfs_inode_find_delegation_state_and_recover(struct inode *inode,
const nfs4_stateid *stateid)
{
struct nfs_client *clp = NFS_SERVER(inode)->nfs_client;
struct nfs_delegation *delegation;
bool found = false;
rcu_read_lock();
delegation = rcu_dereference(NFS_I(inode)->delegation);
if (delegation &&
nfs4_stateid_match_other(&delegation->stateid, stateid)) {
nfs_mark_test_expired_delegation(NFS_SERVER(inode), delegation);
found = true;
}
rcu_read_unlock();
if (found)
nfs4_schedule_state_manager(clp);
}
/**
* nfs_delegations_present - check for existence of delegations
* @clp: client state handle