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git.proxmox.com Git - mirror_spl.git/blob - module/spl/spl-kobj.c
1 /*****************************************************************************\
2 * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
3 * Copyright (C) 2007 The Regents of the University of California.
4 * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
5 * Written by Brian Behlendorf <behlendorf1@llnl.gov>.
8 * This file is part of the SPL, Solaris Porting Layer.
9 * For details, see <http://zfsonlinux.org/>.
11 * The SPL is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or (at your
14 * option) any later version.
16 * The SPL is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 * You should have received a copy of the GNU General Public License along
22 * with the SPL. If not, see <http://www.gnu.org/licenses/>.
23 *****************************************************************************
24 * Solaris Porting Layer (SPL) Kobj Implementation.
25 \*****************************************************************************/
28 #include <spl-debug.h>
30 #ifdef SS_DEBUG_SUBSYS
31 #undef SS_DEBUG_SUBSYS
34 #define SS_DEBUG_SUBSYS SS_KOBJ
37 kobj_open_file(const char *name
)
44 file
= kmalloc(sizeof(_buf_t
), GFP_KERNEL
);
46 SRETURN((_buf_t
*)-1UL);
48 if ((rc
= vn_open(name
, UIO_SYSSPACE
, FREAD
, 0644, &vp
, 0, 0))) {
50 SRETURN((_buf_t
*)-1UL);
56 } /* kobj_open_file() */
57 EXPORT_SYMBOL(kobj_open_file
);
60 kobj_close_file(struct _buf
*file
)
63 VOP_CLOSE(file
->vp
, 0, 0, 0, 0, 0);
66 } /* kobj_close_file() */
67 EXPORT_SYMBOL(kobj_close_file
);
70 kobj_read_file(struct _buf
*file
, char *buf
, ssize_t size
, offset_t off
)
73 SRETURN(vn_rdwr(UIO_READ
, file
->vp
, buf
, size
, off
,
74 UIO_SYSSPACE
, 0, RLIM64_INFINITY
, 0, NULL
));
75 } /* kobj_read_file() */
76 EXPORT_SYMBOL(kobj_read_file
);
79 kobj_get_filesize(struct _buf
*file
, uint64_t *size
)
85 rc
= VOP_GETATTR(file
->vp
, &vap
, 0, 0, NULL
);
92 } /* kobj_get_filesize() */
93 EXPORT_SYMBOL(kobj_get_filesize
);