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.
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.
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]
22 * Copyright (c) 2011, Lawrence Livermore National Security, LLC.
29 #include <linux/vfs_compat.h>
30 #include <linux/xattr_compat.h>
31 #include <linux/dcache_compat.h>
32 #include <linux/exportfs.h>
33 #include <linux/writeback.h>
34 #include <linux/falloc.h>
35 #include <linux/task_io_accounting_ops.h>
38 extern void zpl_vap_init(vattr_t
*vap
, struct inode
*dir
,
39 zpl_umode_t mode
, cred_t
*cr
);
41 extern const struct inode_operations zpl_inode_operations
;
42 extern const struct inode_operations zpl_dir_inode_operations
;
43 extern const struct inode_operations zpl_symlink_inode_operations
;
44 extern const struct inode_operations zpl_special_inode_operations
;
45 extern dentry_operations_t zpl_dentry_operations
;
48 extern ssize_t
zpl_read_common(struct inode
*ip
, const char *buf
,
49 size_t len
, loff_t pos
, uio_seg_t segment
, int flags
, cred_t
*cr
);
50 extern ssize_t
zpl_write_common(struct inode
*ip
, const char *buf
,
51 size_t len
, loff_t pos
, uio_seg_t segment
, int flags
, cred_t
*cr
);
52 extern long zpl_fallocate_common(struct inode
*ip
, int mode
,
53 loff_t offset
, loff_t len
);
55 extern const struct address_space_operations zpl_address_space_operations
;
56 extern const struct file_operations zpl_file_operations
;
57 extern const struct file_operations zpl_dir_file_operations
;
60 extern void zpl_prune_sbs(int64_t bytes_to_scan
, void *private);
62 typedef struct zpl_mount_data
{
63 const char *z_osname
; /* Dataset name */
64 void *z_data
; /* Mount options string */
67 extern const struct super_operations zpl_super_operations
;
68 extern const struct export_operations zpl_export_operations
;
69 extern struct file_system_type zpl_fs_type
;
72 extern ssize_t
zpl_xattr_list(struct dentry
*dentry
, char *buf
, size_t size
);
73 extern int zpl_xattr_security_init(struct inode
*ip
, struct inode
*dip
,
74 const struct qstr
*qstr
);
75 #if defined(CONFIG_FS_POSIX_ACL)
76 extern int zpl_set_acl(struct inode
*ip
, int type
, struct posix_acl
*acl
);
77 extern struct posix_acl
*zpl_get_acl(struct inode
*ip
, int type
);
78 #if !defined(HAVE_GET_ACL)
79 #if defined(HAVE_CHECK_ACL_WITH_FLAGS)
80 extern int zpl_check_acl(struct inode
*inode
, int mask
,unsigned int flags
);
81 #elif defined(HAVE_CHECK_ACL)
82 extern int zpl_check_acl(struct inode
*inode
, int mask
);
83 #elif defined(HAVE_PERMISSION_WITH_NAMEIDATA)
84 extern int zpl_permission(struct inode
*ip
, int mask
, struct nameidata
*nd
);
85 #elif defined(HAVE_PERMISSION)
86 extern int zpl_permission(struct inode
*ip
, int mask
);
87 #endif /* HAVE_CHECK_ACL | HAVE_PERMISSION */
88 #endif /* HAVE_GET_ACL */
90 extern int zpl_init_acl(struct inode
*ip
, struct inode
*dir
);
91 extern int zpl_chmod_acl(struct inode
*ip
);
94 zpl_init_acl(struct inode
*ip
, struct inode
*dir
)
100 zpl_chmod_acl(struct inode
*ip
)
104 #endif /* CONFIG_FS_POSIX_ACL */
106 extern xattr_handler_t
*zpl_xattr_handlers
[];
109 extern const struct file_operations zpl_fops_root
;
110 extern const struct inode_operations zpl_ops_root
;
112 extern const struct file_operations zpl_fops_snapdir
;
113 extern const struct inode_operations zpl_ops_snapdir
;
114 #ifdef HAVE_AUTOMOUNT
115 extern const struct dentry_operations zpl_dops_snapdirs
;
117 extern const struct inode_operations zpl_ops_snapdirs
;
118 #endif /* HAVE_AUTOMOUNT */
120 extern const struct file_operations zpl_fops_shares
;
121 extern const struct inode_operations zpl_ops_shares
;
123 #ifdef HAVE_VFS_ITERATE
125 #define DIR_CONTEXT_INIT(_dirent, _actor, _pos) { \
132 typedef struct dir_context
{
134 const filldir_t actor
;
138 #define DIR_CONTEXT_INIT(_dirent, _actor, _pos) { \
145 dir_emit(struct dir_context
*ctx
, const char *name
, int namelen
,
146 uint64_t ino
, unsigned type
)
148 return ctx
->actor(ctx
->dirent
, name
, namelen
, ctx
->pos
, ino
, type
) == 0;
152 dir_emit_dot(struct file
*file
, struct dir_context
*ctx
)
154 return ctx
->actor(ctx
->dirent
, ".", 1, ctx
->pos
,
155 file
->f_path
.dentry
->d_inode
->i_ino
, DT_DIR
) == 0;
159 dir_emit_dotdot(struct file
*file
, struct dir_context
*ctx
)
161 return ctx
->actor(ctx
->dirent
, "..", 2, ctx
->pos
,
162 parent_ino(file
->f_path
.dentry
), DT_DIR
) == 0;
166 dir_emit_dots(struct file
*file
, struct dir_context
*ctx
)
169 if (!dir_emit_dot(file
, ctx
))
174 if (!dir_emit_dotdot(file
, ctx
))
180 #endif /* HAVE_VFS_ITERATE */
182 #endif /* _SYS_ZPL_H */