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/* $OpenBSD: fuse_file.c,v 1.1 2013/06/03 15:50:56 tedu Exp $ */
/*
* Copyright (c) 2012-2013 Sylvestre Gallon <ccna.syl@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/pool.h>
#include <sys/statvfs.h>
#include <sys/vnode.h>
#include <sys/fusebuf.h>
#include "fusefs_node.h"
#include "fusefs.h"
#ifdef FUSE_DEBUG_VNOP
#define DPRINTF(fmt, arg...) printf("fuse vnop: " fmt, ##arg)
#else
#define DPRINTF(fmt, arg...)
#endif
int
fusefs_file_open(struct fusefs_mnt *fmp, struct fusefs_node *ip,
enum fufh_type fufh_type, int flags, int isdir, struct proc *p)
{
struct fusebuf *fbuf;
int error = 0;
fbuf = fb_setup(FUSEFDSIZE, ip->ufs_ino.i_number,
((isdir) ? FBT_OPENDIR : FBT_OPEN), p);
fbuf->fb_io_flags = flags;
error = fb_queue(fmp->dev, fbuf);
if (error) {
pool_put(&fusefs_fbuf_pool, fbuf);
return (error);
}
ip->fufh[fufh_type].fh_id = fbuf->fb_io_fd;
ip->fufh[fufh_type].fh_type = fufh_type;
pool_put(&fusefs_fbuf_pool, fbuf);
return (0);
}
int
fusefs_file_close(struct fusefs_mnt *fmp, struct fusefs_node * ip,
enum fufh_type fufh_type, int flags, int isdir, struct proc *p)
{
struct fusebuf *fbuf;
int error = 0;
fbuf = fb_setup(FUSEFDSIZE, ip->ufs_ino.i_number,
((isdir) ? FBT_RELEASEDIR : FBT_RELEASE), p);
fbuf->fb_io_fd = ip->fufh[fufh_type].fh_id;
fbuf->fb_io_flags = flags;
error = fb_queue(fmp->dev, fbuf);
if (error)
printf("fuse file error %d\n", error);
ip->fufh[fufh_type].fh_id = (uint64_t)-1;
ip->fufh[fufh_type].fh_type = FUFH_INVALID;
pool_put(&fusefs_fbuf_pool, fbuf);
return (error);
}
uint64_t
fusefs_fd_get(struct fusefs_node *ip, enum fufh_type type)
{
if (ip->fufh[type].fh_type == FUFH_INVALID)
type = FUFH_RDWR;
return (ip->fufh[type].fh_id);
}
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