diff options
Diffstat (limited to 'fs/gfs2/mount.c')
| -rw-r--r-- | fs/gfs2/mount.c | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/fs/gfs2/mount.c b/fs/gfs2/mount.c deleted file mode 100644 index 32caecd2030..00000000000 --- a/fs/gfs2/mount.c +++ /dev/null @@ -1,213 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <linux/completion.h> -#include <linux/buffer_head.h> -#include <linux/gfs2_ondisk.h> -#include <linux/lm_interface.h> - -#include "gfs2.h" -#include "incore.h" -#include "mount.h" -#include "sys.h" -#include "util.h" - -/** - * gfs2_mount_args - Parse mount options - * @sdp: - * @data: - * - * Return: errno - */ - -int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount) -{ - struct gfs2_args *args = &sdp->sd_args; - char *data = data_arg; - char *options, *o, *v; - int error = 0; - - if (!remount) { - /* If someone preloaded options, use those instead */ - spin_lock(&gfs2_sys_margs_lock); - if (gfs2_sys_margs) { - data = gfs2_sys_margs; - gfs2_sys_margs = NULL; - } - spin_unlock(&gfs2_sys_margs_lock); - - /* Set some defaults */ - args->ar_num_glockd = GFS2_GLOCKD_DEFAULT; - args->ar_quota = GFS2_QUOTA_DEFAULT; - args->ar_data = GFS2_DATA_DEFAULT; - } - - /* Split the options into tokens with the "," character and - process them */ - - for (options = data; (o = strsep(&options, ",")); ) { - if (!*o) - continue; - - v = strchr(o, '='); - if (v) - *v++ = 0; - - if (!strcmp(o, "lockproto")) { - if (!v) - goto need_value; - if (remount && strcmp(v, args->ar_lockproto)) - goto cant_remount; - strncpy(args->ar_lockproto, v, GFS2_LOCKNAME_LEN); - args->ar_lockproto[GFS2_LOCKNAME_LEN - 1] = 0; - } - - else if (!strcmp(o, "locktable")) { - if (!v) - goto need_value; - if (remount && strcmp(v, args->ar_locktable)) - goto cant_remount; - strncpy(args->ar_locktable, v, GFS2_LOCKNAME_LEN); - args->ar_locktable[GFS2_LOCKNAME_LEN - 1] = 0; - } - - else if (!strcmp(o, "hostdata")) { - if (!v) - goto need_value; - if (remount && strcmp(v, args->ar_hostdata)) - goto cant_remount; - strncpy(args->ar_hostdata, v, GFS2_LOCKNAME_LEN); - args->ar_hostdata[GFS2_LOCKNAME_LEN - 1] = 0; - } - - else if (!strcmp(o, "spectator")) { - if (remount && !args->ar_spectator) - goto cant_remount; - args->ar_spectator = 1; - sdp->sd_vfs->s_flags |= MS_RDONLY; - } - - else if (!strcmp(o, "ignore_local_fs")) { - if (remount && !args->ar_ignore_local_fs) - goto cant_remount; - args->ar_ignore_local_fs = 1; - } - - else if (!strcmp(o, "localflocks")) { - if (remount && !args->ar_localflocks) - goto cant_remount; - args->ar_localflocks = 1; - } - - else if (!strcmp(o, "localcaching")) { - if (remount && !args->ar_localcaching) - goto cant_remount; - args->ar_localcaching = 1; - } - - else if (!strcmp(o, "debug")) - args->ar_debug = 1; - - else if (!strcmp(o, "nodebug")) - args->ar_debug = 0; - - else if (!strcmp(o, "upgrade")) { - if (remount && !args->ar_upgrade) - goto cant_remount; - args->ar_upgrade = 1; - } - - else if (!strcmp(o, "num_glockd")) { - unsigned int x; - if (!v) - goto need_value; - sscanf(v, "%u", &x); - if (remount && x != args->ar_num_glockd) - goto cant_remount; - if (!x || x > GFS2_GLOCKD_MAX) { - fs_info(sdp, "0 < num_glockd <= %u (not %u)\n", - GFS2_GLOCKD_MAX, x); - error = -EINVAL; - break; - } - args->ar_num_glockd = x; - } - - else if (!strcmp(o, "acl")) { - args->ar_posix_acl = 1; - sdp->sd_vfs->s_flags |= MS_POSIXACL; - } - - else if (!strcmp(o, "noacl")) { - args->ar_posix_acl = 0; - sdp->sd_vfs->s_flags &= ~MS_POSIXACL; - } - - else if (!strcmp(o, "quota")) { - if (!v) - goto need_value; - if (!strcmp(v, "off")) - args->ar_quota = GFS2_QUOTA_OFF; - else if (!strcmp(v, "account")) - args->ar_quota = GFS2_QUOTA_ACCOUNT; - else if (!strcmp(v, "on")) - args->ar_quota = GFS2_QUOTA_ON; - else { - fs_info(sdp, "invalid value for quota\n"); - error = -EINVAL; - break; - } - } - - else if (!strcmp(o, "suiddir")) - args->ar_suiddir = 1; - - else if (!strcmp(o, "nosuiddir")) - args->ar_suiddir = 0; - - else if (!strcmp(o, "data")) { - if (!v) - goto need_value; - if (!strcmp(v, "writeback")) - args->ar_data = GFS2_DATA_WRITEBACK; - else if (!strcmp(v, "ordered")) - args->ar_data = GFS2_DATA_ORDERED; - else { - fs_info(sdp, "invalid value for data\n"); - error = -EINVAL; - break; - } - } - - else { - fs_info(sdp, "unknown option: %s\n", o); - error = -EINVAL; - break; - } - } - - if (error) - fs_info(sdp, "invalid mount option(s)\n"); - - if (data != data_arg) - kfree(data); - - return error; - -need_value: - fs_info(sdp, "need value for option %s\n", o); - return -EINVAL; - -cant_remount: - fs_info(sdp, "can't remount with option %s\n", o); - return -EINVAL; -} - |