Annotation of sys/xfs/xfs_common-bsd.c, Revision 1.1
1.1 ! nbrk 1: /*
! 2: * Copyright (c) 1995 - 2002 Kungliga Tekniska Högskolan
! 3: * (Royal Institute of Technology, Stockholm, Sweden).
! 4: * All rights reserved.
! 5: *
! 6: * Redistribution and use in source and binary forms, with or without
! 7: * modification, are permitted provided that the following conditions
! 8: * are met:
! 9: *
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: *
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: *
! 17: * 3. Neither the name of the Institute nor the names of its contributors
! 18: * may be used to endorse or promote products derived from this software
! 19: * without specific prior written permission.
! 20: *
! 21: * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
! 22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 24: * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
! 25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 31: * SUCH DAMAGE.
! 32: */
! 33:
! 34: #include <xfs/xfs_locl.h>
! 35: #include <xfs/xfs_common.h>
! 36: #include <xfs/xfs_deb.h>
! 37:
! 38: RCSID("$arla: xfs_common-bsd.c,v 1.25 2002/12/18 16:32:03 lha Exp $");
! 39:
! 40: #ifdef MALLOC_DEFINE
! 41: MALLOC_DEFINE(M_NNPFS, "xfs-misc", "xfs misc");
! 42: MALLOC_DEFINE(M_NNPFS_NODE, "xfs-node", "xfs node");
! 43: MALLOC_DEFINE(M_NNPFS_LINK, "xfs-link", "xfs link");
! 44: MALLOC_DEFINE(M_NNPFS_MSG, "xfs-msg", "xfs msg");
! 45: #endif
! 46:
! 47: #ifdef NNPFS_DEBUG
! 48: static u_int xfs_allocs;
! 49: static u_int xfs_frees;
! 50:
! 51: void *
! 52: xfs_alloc(u_int size, xfs_malloc_type type)
! 53: {
! 54: void *ret;
! 55:
! 56: xfs_allocs++;
! 57: NNPFSDEB(XDEBMEM, ("xfs_alloc: xfs_allocs - xfs_frees %d\n",
! 58: xfs_allocs - xfs_frees));
! 59:
! 60: MALLOC(ret, void *, size, type, M_WAITOK);
! 61: return ret;
! 62: }
! 63:
! 64: void
! 65: xfs_free(void *ptr, u_int size, xfs_malloc_type type)
! 66: {
! 67: xfs_frees++;
! 68: FREE(ptr, type);
! 69: }
! 70:
! 71: #endif /* NNPFS_DEBUG */
! 72:
! 73: int
! 74: xfs_suser(d_thread_t *p)
! 75: {
! 76: #if defined(HAVE_TWO_ARGUMENT_SUSER)
! 77: #ifdef __OpenBSD__
! 78: return suser (p, SUSER_NOACCT);
! 79: #else
! 80: return suser (xfs_proc_to_cred(p), NULL);
! 81: #endif
! 82: #else
! 83: return suser (p);
! 84: #endif
! 85: }
! 86:
! 87: /*
! 88: * Print a `dev_t' in some readable format
! 89: */
! 90:
! 91: #ifdef HAVE_KERNEL_DEVTONAME
! 92:
! 93: const char *
! 94: xfs_devtoname_r (dev_t dev, char *buf, size_t sz)
! 95: {
! 96: return devtoname (dev);
! 97: }
! 98:
! 99: #else /* !HAVE_KERNEL_DEVTONAME */
! 100:
! 101: const char *
! 102: xfs_devtoname_r (dev_t dev, char *buf, size_t sz)
! 103: {
! 104: #ifdef HAVE_KERNEL_SNPRINTF
! 105: snprintf (buf, sz, "%u/%u", major(dev), minor(dev));
! 106: return buf;
! 107: #else
! 108: return "<unknown device>";
! 109: #endif
! 110: }
! 111:
! 112: #endif /* HAVE_KERNEL_DEVTONAME */
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