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Makefile.am
(381 B)
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blkdev_compat.h
(15.05 KB)
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compiler_compat.h
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dcache_compat.h
(2.04 KB)
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kmap_compat.h
(1.36 KB)
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mod_compat.h
(5 KB)
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page_compat.h
(2.3 KB)
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percpu_compat.h
(1.35 KB)
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simd.h
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simd_aarch64.h
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simd_powerpc.h
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simd_x86.h
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utsname_compat.h
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vfs_compat.h
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xattr_compat.h
(5.65 KB)
Editing: xattr_compat.h
/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (C) 2011 Lawrence Livermore National Security, LLC. */ #ifndef _ZFS_XATTR_H #define _ZFS_XATTR_H #include <linux/posix_acl_xattr.h> /* * 2.6.35 API change, * The const keyword was added to the 'struct xattr_handler' in the * generic Linux super_block structure. To handle this we define an * appropriate xattr_handler_t typedef which can be used. This was * the preferred solution because it keeps the code clean and readable. */ typedef const struct xattr_handler xattr_handler_t; /* * 4.5 API change, */ #if defined(HAVE_XATTR_LIST_SIMPLE) #define ZPL_XATTR_LIST_WRAPPER(fn) \ static bool \ fn(struct dentry *dentry) \ { \ return (!!__ ## fn(dentry->d_inode, NULL, 0, NULL, 0)); \ } /* * 4.4 API change, */ #elif defined(HAVE_XATTR_LIST_DENTRY) #define ZPL_XATTR_LIST_WRAPPER(fn) \ static size_t \ fn(struct dentry *dentry, char *list, size_t list_size, \ const char *name, size_t name_len, int type) \ { \ return (__ ## fn(dentry->d_inode, \ list, list_size, name, name_len)); \ } /* * 2.6.33 API change, */ #elif defined(HAVE_XATTR_LIST_HANDLER) #define ZPL_XATTR_LIST_WRAPPER(fn) \ static size_t \ fn(const struct xattr_handler *handler, struct dentry *dentry, \ char *list, size_t list_size, const char *name, size_t name_len) \ { \ return (__ ## fn(dentry->d_inode, \ list, list_size, name, name_len)); \ } #else #error "Unsupported kernel" #endif /* * 4.7 API change, * The xattr_handler->get() callback was changed to take a both dentry and * inode, because the dentry might not be attached to an inode yet. */ #if defined(HAVE_XATTR_GET_DENTRY_INODE) #define ZPL_XATTR_GET_WRAPPER(fn) \ static int \ fn(const struct xattr_handler *handler, struct dentry *dentry, \ struct inode *inode, const char *name, void *buffer, size_t size) \ { \ return (__ ## fn(inode, name, buffer, size)); \ } /* * 4.4 API change, * The xattr_handler->get() callback was changed to take a xattr_handler, * and handler_flags argument was removed and should be accessed by * handler->flags. */ #elif defined(HAVE_XATTR_GET_HANDLER) #define ZPL_XATTR_GET_WRAPPER(fn) \ static int \ fn(const struct xattr_handler *handler, struct dentry *dentry, \ const char *name, void *buffer, size_t size) \ { \ return (__ ## fn(dentry->d_inode, name, buffer, size)); \ } /* * 2.6.33 API change, * The xattr_handler->get() callback was changed to take a dentry * instead of an inode, and a handler_flags argument was added. */ #elif defined(HAVE_XATTR_GET_DENTRY) #define ZPL_XATTR_GET_WRAPPER(fn) \ static int \ fn(struct dentry *dentry, const char *name, void *buffer, size_t size, \ int unused_handler_flags) \ { \ return (__ ## fn(dentry->d_inode, name, buffer, size)); \ } #else #error "Unsupported kernel" #endif /* * 4.7 API change, * The xattr_handler->set() callback was changed to take a both dentry and * inode, because the dentry might not be attached to an inode yet. */ #if defined(HAVE_XATTR_SET_DENTRY_INODE) #define ZPL_XATTR_SET_WRAPPER(fn) \ static int \ fn(const struct xattr_handler *handler, struct dentry *dentry, \ struct inode *inode, const char *name, const void *buffer, \ size_t size, int flags) \ { \ return (__ ## fn(inode, name, buffer, size, flags)); \ } /* * 4.4 API change, * The xattr_handler->set() callback was changed to take a xattr_handler, * and handler_flags argument was removed and should be accessed by * handler->flags. */ #elif defined(HAVE_XATTR_SET_HANDLER) #define ZPL_XATTR_SET_WRAPPER(fn) \ static int \ fn(const struct xattr_handler *handler, struct dentry *dentry, \ const char *name, const void *buffer, size_t size, int flags) \ { \ return (__ ## fn(dentry->d_inode, name, buffer, size, flags)); \ } /* * 2.6.33 API change, * The xattr_handler->set() callback was changed to take a dentry * instead of an inode, and a handler_flags argument was added. */ #elif defined(HAVE_XATTR_SET_DENTRY) #define ZPL_XATTR_SET_WRAPPER(fn) \ static int \ fn(struct dentry *dentry, const char *name, const void *buffer, \ size_t size, int flags, int unused_handler_flags) \ { \ return (__ ## fn(dentry->d_inode, name, buffer, size, flags)); \ } #else #error "Unsupported kernel" #endif /* * Linux 3.7 API change. posix_acl_{from,to}_xattr gained the user_ns * parameter. All callers are expected to pass the &init_user_ns which * is available through the init credential (kcred). */ static inline struct posix_acl * zpl_acl_from_xattr(const void *value, int size) { return (posix_acl_from_xattr(kcred->user_ns, value, size)); } static inline int zpl_acl_to_xattr(struct posix_acl *acl, void *value, int size) { return (posix_acl_to_xattr(kcred->user_ns, acl, value, size)); } #endif /* _ZFS_XATTR_H */
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