42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/*
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* Copyright (C) 2015 Cluster Inc.
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* Produced at ClusterHQ Inc (cf, DISCLAIMER).
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* Written by Richard Yao <richard.yao@clusterhq.com>.
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*
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* This file is part of the SPL, Solaris Porting Layer.
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* For details, see <http://zfsonlinux.org/>.
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*
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* The SPL is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* The SPL is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the SPL. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SPL_USER_H
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#define _SPL_USER_H
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/*
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* We have uf_info_t for areleasef(). We implement areleasef() using a global
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* linked list of all open file descriptors with the task structs referenced,
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* so accessing the correct descriptor from areleasef() only requires knowing
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* about the Linux task_struct. Since this is internal to our compatibility
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* layer, we make it an opaque type.
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*
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* XXX: If the descriptor changes under us and we do not do a getf() between
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* the change and using it, we would get an incorrect reference.
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*/
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struct uf_info;
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typedef struct uf_info uf_info_t;
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#define P_FINFO(x) ((uf_info_t *)x)
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#endif /* SPL_USER_H */
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