]>
Commit | Line | Data |
---|---|---|
87d546d8 TG |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | /* | |
22 | * Copyright (c) 2011, Lawrence Livermore National Security, LLC. | |
23 | */ | |
24 | ||
25 | #ifndef _SYS_ZPL_H | |
26 | #define _SYS_ZPL_H | |
27 | ||
28 | #include <sys/mntent.h> | |
29 | #include <sys/vfs.h> | |
30 | #include <linux/aio.h> | |
31 | #include <linux/dcache_compat.h> | |
32 | #include <linux/exportfs.h> | |
33 | #include <linux/falloc.h> | |
34 | #include <linux/file_compat.h> | |
35 | #include <linux/parser.h> | |
36 | #include <linux/task_io_accounting_ops.h> | |
37 | #include <linux/vfs_compat.h> | |
38 | #include <linux/writeback.h> | |
39 | #include <linux/xattr_compat.h> | |
40 | ||
41 | /* zpl_inode.c */ | |
42 | extern void zpl_vap_init(vattr_t *vap, struct inode *dir, | |
43 | zpl_umode_t mode, cred_t *cr); | |
44 | ||
45 | extern const struct inode_operations zpl_inode_operations; | |
46 | extern const struct inode_operations zpl_dir_inode_operations; | |
47 | extern const struct inode_operations zpl_symlink_inode_operations; | |
48 | extern const struct inode_operations zpl_special_inode_operations; | |
49 | extern dentry_operations_t zpl_dentry_operations; | |
50 | ||
51 | /* zpl_file.c */ | |
52 | extern ssize_t zpl_read_common(struct inode *ip, const char *buf, | |
53 | size_t len, loff_t *ppos, uio_seg_t segment, int flags, | |
54 | cred_t *cr); | |
55 | extern ssize_t zpl_write_common(struct inode *ip, const char *buf, | |
56 | size_t len, loff_t *ppos, uio_seg_t segment, int flags, | |
57 | cred_t *cr); | |
58 | #if defined(HAVE_FILE_FALLOCATE) || defined(HAVE_INODE_FALLOCATE) | |
59 | extern long zpl_fallocate_common(struct inode *ip, int mode, | |
60 | loff_t offset, loff_t len); | |
61 | #endif /* defined(HAVE_FILE_FALLOCATE) || defined(HAVE_INODE_FALLOCATE) */ | |
62 | ||
63 | extern const struct address_space_operations zpl_address_space_operations; | |
64 | extern const struct file_operations zpl_file_operations; | |
65 | extern const struct file_operations zpl_dir_file_operations; | |
66 | ||
67 | /* zpl_super.c */ | |
68 | extern void zpl_prune_sb(int64_t nr_to_scan, void *arg); | |
69 | ||
70 | extern const struct super_operations zpl_super_operations; | |
71 | extern const struct export_operations zpl_export_operations; | |
72 | extern struct file_system_type zpl_fs_type; | |
73 | ||
74 | /* zpl_xattr.c */ | |
75 | extern ssize_t zpl_xattr_list(struct dentry *dentry, char *buf, size_t size); | |
76 | extern int zpl_xattr_security_init(struct inode *ip, struct inode *dip, | |
77 | const struct qstr *qstr); | |
78 | #if defined(CONFIG_FS_POSIX_ACL) | |
79 | extern int zpl_set_acl(struct inode *ip, struct posix_acl *acl, int type); | |
80 | extern struct posix_acl *zpl_get_acl(struct inode *ip, int type); | |
81 | #if !defined(HAVE_GET_ACL) | |
82 | #if defined(HAVE_CHECK_ACL_WITH_FLAGS) | |
83 | extern int zpl_check_acl(struct inode *inode, int mask, unsigned int flags); | |
84 | #elif defined(HAVE_CHECK_ACL) | |
85 | extern int zpl_check_acl(struct inode *inode, int mask); | |
86 | #elif defined(HAVE_PERMISSION_WITH_NAMEIDATA) | |
87 | extern int zpl_permission(struct inode *ip, int mask, struct nameidata *nd); | |
88 | #elif defined(HAVE_PERMISSION) | |
89 | extern int zpl_permission(struct inode *ip, int mask); | |
90 | #endif /* HAVE_CHECK_ACL | HAVE_PERMISSION */ | |
91 | #endif /* HAVE_GET_ACL */ | |
92 | ||
93 | extern int zpl_init_acl(struct inode *ip, struct inode *dir); | |
94 | extern int zpl_chmod_acl(struct inode *ip); | |
95 | #else | |
96 | static inline int | |
97 | zpl_init_acl(struct inode *ip, struct inode *dir) | |
98 | { | |
99 | return (0); | |
100 | } | |
101 | ||
102 | static inline int | |
103 | zpl_chmod_acl(struct inode *ip) | |
104 | { | |
105 | return (0); | |
106 | } | |
107 | #endif /* CONFIG_FS_POSIX_ACL */ | |
108 | ||
109 | extern xattr_handler_t *zpl_xattr_handlers[]; | |
110 | ||
111 | /* zpl_ctldir.c */ | |
112 | extern const struct file_operations zpl_fops_root; | |
113 | extern const struct inode_operations zpl_ops_root; | |
114 | ||
115 | extern const struct file_operations zpl_fops_snapdir; | |
116 | extern const struct inode_operations zpl_ops_snapdir; | |
117 | #ifdef HAVE_AUTOMOUNT | |
118 | extern const struct dentry_operations zpl_dops_snapdirs; | |
119 | #else | |
120 | extern const struct inode_operations zpl_ops_snapdirs; | |
121 | #endif /* HAVE_AUTOMOUNT */ | |
122 | ||
123 | extern const struct file_operations zpl_fops_shares; | |
124 | extern const struct inode_operations zpl_ops_shares; | |
125 | ||
126 | #if defined(HAVE_VFS_ITERATE) || defined(HAVE_VFS_ITERATE_SHARED) | |
127 | ||
128 | #define DIR_CONTEXT_INIT(_dirent, _actor, _pos) { \ | |
129 | .actor = _actor, \ | |
130 | .pos = _pos, \ | |
131 | } | |
132 | ||
133 | #else | |
134 | ||
135 | typedef struct dir_context { | |
136 | void *dirent; | |
137 | const filldir_t actor; | |
138 | loff_t pos; | |
139 | } dir_context_t; | |
140 | ||
141 | #define DIR_CONTEXT_INIT(_dirent, _actor, _pos) { \ | |
142 | .dirent = _dirent, \ | |
143 | .actor = _actor, \ | |
144 | .pos = _pos, \ | |
145 | } | |
146 | ||
147 | static inline bool | |
148 | dir_emit(struct dir_context *ctx, const char *name, int namelen, | |
149 | uint64_t ino, unsigned type) | |
150 | { | |
151 | return (ctx->actor(ctx->dirent, name, namelen, ctx->pos, ino, type) | |
152 | == 0); | |
153 | } | |
154 | ||
155 | static inline bool | |
156 | dir_emit_dot(struct file *file, struct dir_context *ctx) | |
157 | { | |
158 | return (ctx->actor(ctx->dirent, ".", 1, ctx->pos, | |
159 | file->f_path.dentry->d_inode->i_ino, DT_DIR) == 0); | |
160 | } | |
161 | ||
162 | static inline bool | |
163 | dir_emit_dotdot(struct file *file, struct dir_context *ctx) | |
164 | { | |
165 | return (ctx->actor(ctx->dirent, "..", 2, ctx->pos, | |
166 | parent_ino(file->f_path.dentry), DT_DIR) == 0); | |
167 | } | |
168 | ||
169 | static inline bool | |
170 | dir_emit_dots(struct file *file, struct dir_context *ctx) | |
171 | { | |
172 | if (ctx->pos == 0) { | |
173 | if (!dir_emit_dot(file, ctx)) | |
174 | return (false); | |
175 | ctx->pos = 1; | |
176 | } | |
177 | if (ctx->pos == 1) { | |
178 | if (!dir_emit_dotdot(file, ctx)) | |
179 | return (false); | |
180 | ctx->pos = 2; | |
181 | } | |
182 | return (true); | |
183 | } | |
184 | #endif /* HAVE_VFS_ITERATE */ | |
185 | ||
186 | #endif /* _SYS_ZPL_H */ |