54cccfc2e3
The kmem_vasprintf(), kmem_vsprintf(), kobj_open_file(), and vn_openat() functions should all use the kmem_flags_convert() function to generate the GFP_* flags. This ensures that they can be safely called in any context and the correct flags will be used. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #426
82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/*****************************************************************************\
|
|
* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
|
|
* Copyright (C) 2007 The Regents of the University of California.
|
|
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
|
|
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
|
|
* UCRL-CODE-235197
|
|
*
|
|
* This file is part of the SPL, Solaris Porting Layer.
|
|
* For details, see <http://zfsonlinux.org/>.
|
|
*
|
|
* The SPL is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*
|
|
* The SPL is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with the SPL. If not, see <http://www.gnu.org/licenses/>.
|
|
*****************************************************************************
|
|
* Solaris Porting Layer (SPL) Kobj Implementation.
|
|
\*****************************************************************************/
|
|
|
|
#include <sys/kobj.h>
|
|
|
|
struct _buf *
|
|
kobj_open_file(const char *name)
|
|
{
|
|
struct _buf *file;
|
|
vnode_t *vp;
|
|
int rc;
|
|
|
|
file = kmalloc(sizeof(_buf_t), kmem_flags_convert(KM_SLEEP));
|
|
if (file == NULL)
|
|
return ((_buf_t *)-1UL);
|
|
|
|
if ((rc = vn_open(name, UIO_SYSSPACE, FREAD, 0644, &vp, 0, 0))) {
|
|
kfree(file);
|
|
return ((_buf_t *)-1UL);
|
|
}
|
|
|
|
file->vp = vp;
|
|
|
|
return (file);
|
|
} /* kobj_open_file() */
|
|
EXPORT_SYMBOL(kobj_open_file);
|
|
|
|
void
|
|
kobj_close_file(struct _buf *file)
|
|
{
|
|
VOP_CLOSE(file->vp, 0, 0, 0, 0, 0);
|
|
kfree(file);
|
|
} /* kobj_close_file() */
|
|
EXPORT_SYMBOL(kobj_close_file);
|
|
|
|
int
|
|
kobj_read_file(struct _buf *file, char *buf, ssize_t size, offset_t off)
|
|
{
|
|
return (vn_rdwr(UIO_READ, file->vp, buf, size, off,
|
|
UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL));
|
|
} /* kobj_read_file() */
|
|
EXPORT_SYMBOL(kobj_read_file);
|
|
|
|
int
|
|
kobj_get_filesize(struct _buf *file, uint64_t *size)
|
|
{
|
|
vattr_t vap;
|
|
int rc;
|
|
|
|
rc = VOP_GETATTR(file->vp, &vap, 0, 0, NULL);
|
|
if (rc)
|
|
return (rc);
|
|
|
|
*size = vap.va_size;
|
|
|
|
return (rc);
|
|
} /* kobj_get_filesize() */
|
|
EXPORT_SYMBOL(kobj_get_filesize);
|