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NFS/pnfs: handle bad delegation stateids in nfs4_layoutget_handle_exception

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We must call nfs4_handle_exception() on BAD_STATEID errors. The only
exception is if the stateid argument turns out to be a layout stateid
that is declared invalid.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Reviewed-by: Jeff Layton <jlayton@poochiereds.net>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2016-06-17 16:48:21 -04:00 committed by Anna Schumaker
parent e5241e4388
commit dd1beb3d16
1 changed files with 4 additions and 4 deletions
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8
fs/nfs/nfs4proc.c
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@ -7924,8 +7924,8 @@ nfs4_layoutget_handle_exception(struct rpc_task *task,
break;
}
lo = NFS_I(inode)->layout;
if (lo && nfs4_stateid_match(&lgp->args.stateid,
&lo->plh_stateid)) {
if (lo && !test_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags) &&
nfs4_stateid_match_other(&lgp->args.stateid, &lo->plh_stateid)) {
LIST_HEAD(head);
/*
@ -7936,10 +7936,10 @@ nfs4_layoutget_handle_exception(struct rpc_task *task,
pnfs_mark_matching_lsegs_invalid(lo, &head, NULL, 0);
spin_unlock(&inode->i_lock);
pnfs_free_lseg_list(&head);
status = -EAGAIN;
goto out;
} else
spin_unlock(&inode->i_lock);
status = -EAGAIN;
goto out;
}
status = nfs4_handle_exception(server, status, exception);