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diff --git a/fs/9p/error.h b/fs/9p/error.h
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+/*
+ * linux/fs/9p/error.h
+ *
+ * Huge Nasty Error Table
+ *
+ * Plan 9 uses error strings, Unix uses error numbers. This table tries to
+ * match UNIX strings and Plan 9 strings to unix error numbers. It is used
+ * to preload the dynamic error table which can also track user-specific error
+ * strings.
+ *
+ * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
+ * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to:
+ * Free Software Foundation
+ * 51 Franklin Street, Fifth Floor
+ * Boston, MA 02111-1301 USA
+ *
+ */
+
+#include <linux/errno.h>
+
+struct errormap {
+ char *name;
+ int val;
+
+ struct hlist_node list;
+};
+
+#define ERRHASHSZ 32
+static struct hlist_head hash_errmap[ERRHASHSZ];
+
+/* FixMe - reduce to a reasonable size */
+static struct errormap errmap[] = {
+ {"Operation not permitted", 1},
+ {"wstat prohibited", 1},
+ {"No such file or directory", 2},
+ {"file not found", 2},
+ {"Interrupted system call", 4},
+ {"Input/output error", 5},
+ {"No such device or address", 6},
+ {"Argument list too long", 7},
+ {"Bad file descriptor", 9},
+ {"Resource temporarily unavailable", 11},
+ {"Cannot allocate memory", 12},
+ {"Permission denied", 13},
+ {"Bad address", 14},
+ {"Block device required", 15},
+ {"Device or resource busy", 16},
+ {"File exists", 17},
+ {"Invalid cross-device link", 18},
+ {"No such device", 19},
+ {"Not a directory", 20},
+ {"Is a directory", 21},
+ {"Invalid argument", 22},
+ {"Too many open files in system", 23},
+ {"Too many open files", 24},
+ {"Text file busy", 26},
+ {"File too large", 27},
+ {"No space left on device", 28},
+ {"Illegal seek", 29},
+ {"Read-only file system", 30},
+ {"Too many links", 31},
+ {"Broken pipe", 32},
+ {"Numerical argument out of domain", 33},
+ {"Numerical result out of range", 34},
+ {"Resource deadlock avoided", 35},
+ {"File name too long", 36},
+ {"No locks available", 37},
+ {"Function not implemented", 38},
+ {"Directory not empty", 39},
+ {"Too many levels of symbolic links", 40},
+ {"Unknown error 41", 41},
+ {"No message of desired type", 42},
+ {"Identifier removed", 43},
+ {"File locking deadlock error", 58},
+ {"No data available", 61},
+ {"Machine is not on the network", 64},
+ {"Package not installed", 65},
+ {"Object is remote", 66},
+ {"Link has been severed", 67},
+ {"Communication error on send", 70},
+ {"Protocol error", 71},
+ {"Bad message", 74},
+ {"File descriptor in bad state", 77},
+ {"Streams pipe error", 86},
+ {"Too many users", 87},
+ {"Socket operation on non-socket", 88},
+ {"Message too long", 90},
+ {"Protocol not available", 92},
+ {"Protocol not supported", 93},
+ {"Socket type not supported", 94},
+ {"Operation not supported", 95},
+ {"Protocol family not supported", 96},
+ {"Network is down", 100},
+ {"Network is unreachable", 101},
+ {"Network dropped connection on reset", 102},
+ {"Software caused connection abort", 103},
+ {"Connection reset by peer", 104},
+ {"No buffer space available", 105},
+ {"Transport endpoint is already connected", 106},
+ {"Transport endpoint is not connected", 107},
+ {"Cannot send after transport endpoint shutdown", 108},
+ {"Connection timed out", 110},
+ {"Connection refused", 111},
+ {"Host is down", 112},
+ {"No route to host", 113},
+ {"Operation already in progress", 114},
+ {"Operation now in progress", 115},
+ {"Is a named type file", 120},
+ {"Remote I/O error", 121},
+ {"Disk quota exceeded", 122},
+ {"Operation canceled", 125},
+ {"Unknown error 126", 126},
+ {"Unknown error 127", 127},
+/* errors from fossil, vacfs, and u9fs */
+ {"fid unknown or out of range", EBADF},
+ {"permission denied", EACCES},
+ {"file does not exist", ENOENT},
+ {"authentication failed", ECONNREFUSED},
+ {"bad offset in directory read", ESPIPE},
+ {"bad use of fid", EBADF},
+ {"wstat can't convert between files and directories", EPERM},
+ {"directory is not empty", ENOTEMPTY},
+ {"file exists", EEXIST},
+ {"file already exists", EEXIST},
+ {"file or directory already exists", EEXIST},
+ {"fid already in use", EBADF},
+ {"file in use", ETXTBSY},
+ {"i/o error", EIO},
+ {"file already open for I/O", ETXTBSY},
+ {"illegal mode", EINVAL},
+ {"illegal name", ENAMETOOLONG},
+ {"not a directory", ENOTDIR},
+ {"not a member of proposed group", EINVAL},
+ {"not owner", EACCES},
+ {"only owner can change group in wstat", EACCES},
+ {"read only file system", EROFS},
+ {"no access to special file", EPERM},
+ {"i/o count too large", EIO},
+ {"unknown group", EINVAL},
+ {"unknown user", EINVAL},
+ {"bogus wstat buffer", EPROTO},
+ {"exclusive use file already open", EAGAIN},
+ {"corrupted directory entry", EIO},
+ {"corrupted file entry", EIO},
+ {"corrupted block label", EIO},
+ {"corrupted meta data", EIO},
+ {"illegal offset", EINVAL},
+ {"illegal path element", ENOENT},
+ {"root of file system is corrupted", EIO},
+ {"corrupted super block", EIO},
+ {"protocol botch", EPROTO},
+ {"file system is full", ENOSPC},
+ {"file is in use", EAGAIN},
+ {"directory entry is not allocated", ENOENT},
+ {"file is read only", EROFS},
+ {"file has been removed", EIDRM},
+ {"only support truncation to zero length", EPERM},
+ {"cannot remove root", EPERM},
+ {"file too big", EFBIG},
+ {"venti i/o error", EIO},
+ /* these are not errors */
+ {"u9fs rhostsauth: no authentication required", 0},
+ {"u9fs authnone: no authentication required", 0},
+ {NULL, -1}
+};
+
+extern int v9fs_error_init(void);
+extern int v9fs_errstr2errno(char *errstr);