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>
37 extern void zpl_vap_init(vattr_t *vap, struct inode *dir,
38 zpl_umode_t mode, cred_t *cr);
40 extern const struct inode_operations zpl_inode_operations;
41 extern const struct inode_operations zpl_dir_inode_operations;
42 extern const struct inode_operations zpl_symlink_inode_operations;
43 extern const struct inode_operations zpl_special_inode_operations;
44 extern dentry_operations_t zpl_dentry_operations;
47 extern ssize_t zpl_read_common(struct inode *ip, const char *buf,
48 size_t len, loff_t pos, uio_seg_t segment, int flags, cred_t *cr);
49 extern ssize_t zpl_write_common(struct inode *ip, const char *buf,
50 size_t len, loff_t pos, uio_seg_t segment, int flags, cred_t *cr);
51 extern long zpl_fallocate_common(struct inode *ip, int mode,
52 loff_t offset, loff_t len);
54 extern const struct address_space_operations zpl_address_space_operations;
55 extern const struct file_operations zpl_file_operations;
56 extern const struct file_operations zpl_dir_file_operations;
59 extern void zpl_prune_sbs(int64_t bytes_to_scan, void *private);
61 typedef struct zpl_mount_data {
62 const char *z_osname; /* Dataset name */
63 void *z_data; /* Mount options string */
66 extern const struct super_operations zpl_super_operations;
67 extern const struct export_operations zpl_export_operations;
68 extern struct file_system_type zpl_fs_type;
71 extern ssize_t zpl_xattr_list(struct dentry *dentry, char *buf, size_t size);
72 extern int zpl_xattr_security_init(struct inode *ip, struct inode *dip,
73 const struct qstr *qstr);
75 extern xattr_handler_t *zpl_xattr_handlers[];
78 extern const struct file_operations zpl_fops_root;
79 extern const struct inode_operations zpl_ops_root;
81 extern const struct file_operations zpl_fops_snapdir;
82 extern const struct inode_operations zpl_ops_snapdir;
84 extern const struct dentry_operations zpl_dops_snapdirs;
86 extern const struct inode_operations zpl_ops_snapdirs;
87 #endif /* HAVE_AUTOMOUNT */
89 extern const struct file_operations zpl_fops_shares;
90 extern const struct inode_operations zpl_ops_shares;
92 #ifdef HAVE_VFS_ITERATE
94 #define DIR_CONTEXT_INIT(_dirent, _actor, _pos) { \
101 typedef struct dir_context {
103 const filldir_t actor;
107 #define DIR_CONTEXT_INIT(_dirent, _actor, _pos) { \
114 dir_emit(struct dir_context *ctx, const char *name, int namelen,
115 uint64_t ino, unsigned type)
117 return ctx->actor(ctx->dirent, name, namelen, ctx->pos, ino, type) == 0;
121 dir_emit_dot(struct file *file, struct dir_context *ctx)
123 return ctx->actor(ctx->dirent, ".", 1, ctx->pos,
124 file->f_path.dentry->d_inode->i_ino, DT_DIR) == 0;
128 dir_emit_dotdot(struct file *file, struct dir_context *ctx)
130 return ctx->actor(ctx->dirent, "..", 2, ctx->pos,
131 parent_ino(file->f_path.dentry), DT_DIR) == 0;
135 dir_emit_dots(struct file *file, struct dir_context *ctx)
138 if (!dir_emit_dot(file, ctx))
143 if (!dir_emit_dotdot(file, ctx))
149 #endif /* HAVE_VFS_ITERATE */
151 #endif /* _SYS_ZPL_H */