/* * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. * All Rights Reserved. * * This program 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. * * This program is distributed in the hope that it would 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 this program; if not, write the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include /* IRIX interpretation of an uuid_t */ typedef struct { __be32 uu_timelow; __be16 uu_timemid; __be16 uu_timehi; __be16 uu_clockseq; __be16 uu_node[3]; } xfs_uu_t; /* * uuid_getnodeuniq - obtain the node unique fields of a UUID. * * This is not in any way a standard or condoned UUID function; * it just something that's needed for user-level file handles. */ void uuid_getnodeuniq(uuid_t *uuid, int fsid [2]) { xfs_uu_t *uup = (xfs_uu_t *)uuid; fsid[0] = (be16_to_cpu(uup->uu_clockseq) << 16) | be16_to_cpu(uup->uu_timemid); fsid[1] = be32_to_cpu(uup->uu_timelow); } int uuid_is_nil(uuid_t *uuid) { int i; char *cp = (char *)uuid; if (uuid == NULL) return 0; /* implied check of version number here... */ for (i = 0; i < sizeof *uuid; i++) if (*cp++) return 0; /* not nil */ return 1; /* is nil */ } int uuid_equal(uuid_t *uuid1, uuid_t *uuid2) { return memcmp(uuid1, uuid2, sizeof(uuid_t)) ? 0 : 1; } /?h=nds-private-remove&id=4e5dbbda4c40a239e2ed4bbc98f2aa320e4dcca2'>refslog tree commit diff

path: root/tools/perf/Documentation/perf-help.txt

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