/*
* 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 2014 Garrett D'Amore <garrett@damore.org>
*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_FS_UFS_FILIO_H
#define _SYS_FS_UFS_FILIO_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* _FIOIO
*
* struct for _FIOIO ioctl():
* Input:
* fio_ino - inode number
* fio_gen - generation number
* Output:
* fio_fd - readonly file descriptor
*
*/
struct fioio {
ino_t fio_ino; /* input : inode number */
int fio_gen; /* input : generation number */
int fio_fd; /* output: readonly file descriptor */
};
#if defined(_SYSCALL32)
struct fioio32 {
ino32_t fio_ino; /* input : inode number */
int32_t fio_gen; /* input : generation number */
int32_t fio_fd; /* output: readonly file descriptor */
};
#endif /* _SYSCALL32 */
/*
* _FIOTUNE
*/
struct fiotune {
int maxcontig; /* cluster and directio size */
int rotdelay; /* skip blocks between contig allocations */
int maxbpg; /* currently defaults to 2048 */
int minfree; /* %age to reserve for root */
int optim; /* space or time */
};
/*
* UFS Logging
*/
typedef struct fiolog {
uint_t nbytes_requested;
uint_t nbytes_actual;
int error;
} fiolog_t;
#define FIOLOG_ENONE 0
#define FIOLOG_ETRANS 1
#define FIOLOG_EROFS 2
#define FIOLOG_EULOCK 3
#define FIOLOG_EWLOCK 4
#define FIOLOG_ECLEAN 5
#define FIOLOG_ENOULOCK 6
#if defined(_KERNEL)
extern int ufs_fiosatime(struct vnode *, struct timeval *, int,
struct cred *);
extern int ufs_fiosdio(struct vnode *, uint_t *, int flag, struct cred *);
extern int ufs_fiogdio(struct vnode *, uint_t *, int flag, struct cred *);
extern int ufs_fioio(struct vnode *, struct fioio *, int, struct cred *);
extern int ufs_fioisbusy(struct vnode *, int *, struct cred *);
extern int ufs_fiodirectio(struct vnode *, int, struct cred *);
extern int ufs_fiotune(struct vnode *, struct fiotune *, struct cred *);
extern int ufs_fiologenable(vnode_t *, fiolog_t *, cred_t *, int);
extern int ufs_fiologdisable(vnode_t *, fiolog_t *, cred_t *, int);
extern int ufs_fioislog(vnode_t *, uint32_t *, cred_t *, int);
extern int ufs_fio_holey(vnode_t *, int, offset_t *);
extern int ufs_mark_compressed(struct vnode *vp);
#endif /* defined(_KERNEL) */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_FS_UFS_FILIO_H */