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d1d7e2689d
The vast majority of these changes are in Linux specific code. They are the result of not having an automated style checker to validate the code when it was originally written. Others were caused when the common code was slightly adjusted for Linux. This patch contains no functional changes. It only refreshes the code to conform to style guide. Everyone submitting patches for inclusion upstream should now run 'make checkstyle' and resolve any warning prior to opening a pull request. The automated builders have been updated to fail a build if when 'make checkstyle' detects an issue. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #1821
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (C) 2011 Lawrence Livermore National Security, LLC.
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*/
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#ifndef _ZFS_DCACHE_H
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#define _ZFS_DCACHE_H
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#include <linux/dcache.h>
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#define dname(dentry) ((char *)((dentry)->d_name.name))
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#define dlen(dentry) ((int)((dentry)->d_name.len))
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#ifndef HAVE_D_MAKE_ROOT
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#define d_make_root(inode) d_alloc_root(inode)
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#endif /* HAVE_D_MAKE_ROOT */
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/*
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* 2.6.30 API change,
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* The const keyword was added to the 'struct dentry_operations' in
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* the dentry structure. To handle this we define an appropriate
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* dentry_operations_t typedef which can be used.
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*/
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#ifdef HAVE_CONST_DENTRY_OPERATIONS
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typedef const struct dentry_operations dentry_operations_t;
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#else
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typedef struct dentry_operations dentry_operations_t;
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#endif
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/*
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* 2.6.38 API change,
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* Added d_set_d_op() helper function which sets some flags in
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* dentry->d_flags based on which operations are defined.
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*/
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#ifndef HAVE_D_SET_D_OP
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static inline void
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d_set_d_op(struct dentry *dentry, dentry_operations_t *op)
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{
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dentry->d_op = op;
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}
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#endif /* HAVE_D_SET_D_OP */
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/*
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* 2.6.38 API addition,
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* Added d_clear_d_op() helper function which clears some flags and the
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* registered dentry->d_op table. This is required because d_set_d_op()
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* issues a warning when the dentry operations table is already set.
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* For the .zfs control directory to work properly we must be able to
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* override the default operations table and register custom .d_automount
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* and .d_revalidate callbacks.
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*/
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static inline void
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d_clear_d_op(struct dentry *dentry)
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{
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#ifdef HAVE_D_SET_D_OP
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dentry->d_op = NULL;
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dentry->d_flags &= ~(
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DCACHE_OP_HASH | DCACHE_OP_COMPARE |
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DCACHE_OP_REVALIDATE | DCACHE_OP_DELETE);
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#endif /* HAVE_D_SET_D_OP */
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}
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#endif /* _ZFS_DCACHE_H */
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