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Linux kernel commit torvalds/linux#59d8053f moved the definition of struct proc_dir_entry from include/linux/proc_fs.h to the private header fs/proc/internal.h. The SPL relied on that to map Solaris' kstat to entries in /proc/spl/kstat. Since the proc_dir_entry structure is now private the only safe thing to do is wrap the opaque proc handle with our own structure. This actually ends up simplify the code and is good because it moves us away from depending on implementation details of /proc. Signed-off-by: Richard Yao <ryao@gentoo.org> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Issue #257
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/*****************************************************************************\
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* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* UCRL-CODE-235197
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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_PROC_H
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#define _SPL_PROC_H
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#include <linux/proc_fs.h>
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#ifdef CONFIG_SYSCTL
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#ifdef HAVE_2ARGS_REGISTER_SYSCTL
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#define spl_register_sysctl_table(t, a) register_sysctl_table(t, a)
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#else
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#define spl_register_sysctl_table(t, a) register_sysctl_table(t)
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#endif /* HAVE_2ARGS_REGISTER_SYSCTL */
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#define spl_unregister_sysctl_table(t) unregister_sysctl_table(t)
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#endif /* CONFIG_SYSCTL */
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#ifdef HAVE_CTL_NAME
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#define CTL_NAME(cname) .ctl_name = (cname),
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#else
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#define CTL_NAME(cname)
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#endif
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extern struct proc_dir_entry *proc_spl_kstat;
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int spl_proc_init(void);
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void spl_proc_fini(void);
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#endif /* SPL_PROC_H */
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