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 https://opensource.org/licenses/CDDL-1.0. 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 #ifndef _SYS_ZFS_FILE_H 23 #define _SYS_ZFS_FILE_H 24 25 #include <sys/zfs_context.h> 26 27 #ifndef _KERNEL 28 typedef struct zfs_file { 29 int f_fd; 30 int f_dump_fd; 31 } zfs_file_t; 32 #elif defined(__linux__) || defined(__FreeBSD__) 33 typedef struct file zfs_file_t; 34 #else 35 #error "unknown OS" 36 #endif 37 38 typedef struct zfs_file_attr { 39 uint64_t zfa_size; /* file size */ 40 mode_t zfa_mode; /* file type */ 41 } zfs_file_attr_t; 42 43 int zfs_file_open(const char *path, int flags, int mode, zfs_file_t **fp); 44 void zfs_file_close(zfs_file_t *fp); 45 46 int zfs_file_write(zfs_file_t *fp, const void *buf, size_t len, ssize_t *resid); 47 int zfs_file_pwrite(zfs_file_t *fp, const void *buf, size_t len, loff_t off, 48 ssize_t *resid); 49 int zfs_file_read(zfs_file_t *fp, void *buf, size_t len, ssize_t *resid); 50 int zfs_file_pread(zfs_file_t *fp, void *buf, size_t len, loff_t off, 51 ssize_t *resid); 52 53 int zfs_file_seek(zfs_file_t *fp, loff_t *offp, int whence); 54 int zfs_file_getattr(zfs_file_t *fp, zfs_file_attr_t *zfattr); 55 int zfs_file_fsync(zfs_file_t *fp, int flags); 56 int zfs_file_fallocate(zfs_file_t *fp, int mode, loff_t offset, loff_t len); 57 loff_t zfs_file_off(zfs_file_t *fp); 58 int zfs_file_unlink(const char *); 59 60 zfs_file_t *zfs_file_get(int fd); 61 void zfs_file_put(zfs_file_t *fp); 62 void *zfs_file_private(zfs_file_t *fp); 63 64 #endif /* _SYS_ZFS_FILE_H */ 65