186 lines
3.8 KiB
C
186 lines
3.8 KiB
C
/*
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* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
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* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU General Public License version 2.
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*/
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#include <linux/slab.h>
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#include <linux/spinlock.h>
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#include <linux/completion.h>
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#include <linux/buffer_head.h>
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#include <linux/gfs2_ondisk.h>
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#include <linux/parser.h>
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#include "gfs2.h"
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#include "incore.h"
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#include "super.h"
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#include "sys.h"
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#include "util.h"
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enum {
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Opt_lockproto,
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Opt_locktable,
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Opt_hostdata,
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Opt_spectator,
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Opt_ignore_local_fs,
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Opt_localflocks,
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Opt_localcaching,
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Opt_debug,
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Opt_nodebug,
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Opt_upgrade,
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Opt_acl,
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Opt_noacl,
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Opt_quota_off,
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Opt_quota_account,
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Opt_quota_on,
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Opt_quota,
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Opt_noquota,
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Opt_suiddir,
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Opt_nosuiddir,
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Opt_data_writeback,
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Opt_data_ordered,
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Opt_meta,
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Opt_discard,
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Opt_nodiscard,
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Opt_err,
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};
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static const match_table_t tokens = {
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{Opt_lockproto, "lockproto=%s"},
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{Opt_locktable, "locktable=%s"},
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{Opt_hostdata, "hostdata=%s"},
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{Opt_spectator, "spectator"},
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{Opt_ignore_local_fs, "ignore_local_fs"},
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{Opt_localflocks, "localflocks"},
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{Opt_localcaching, "localcaching"},
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{Opt_debug, "debug"},
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{Opt_nodebug, "nodebug"},
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{Opt_upgrade, "upgrade"},
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{Opt_acl, "acl"},
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{Opt_noacl, "noacl"},
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{Opt_quota_off, "quota=off"},
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{Opt_quota_account, "quota=account"},
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{Opt_quota_on, "quota=on"},
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{Opt_quota, "quota"},
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{Opt_noquota, "noquota"},
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{Opt_suiddir, "suiddir"},
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{Opt_nosuiddir, "nosuiddir"},
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{Opt_data_writeback, "data=writeback"},
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{Opt_data_ordered, "data=ordered"},
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{Opt_meta, "meta"},
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{Opt_discard, "discard"},
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{Opt_nodiscard, "nodiscard"},
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{Opt_err, NULL}
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};
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/**
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* gfs2_mount_args - Parse mount options
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* @sdp:
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* @data:
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*
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* Return: errno
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*/
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int gfs2_mount_args(struct gfs2_sbd *sdp, struct gfs2_args *args, char *options)
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{
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char *o;
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int token;
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substring_t tmp[MAX_OPT_ARGS];
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/* Split the options into tokens with the "," character and
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process them */
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while (1) {
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o = strsep(&options, ",");
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if (o == NULL)
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break;
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if (*o == '\0')
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continue;
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token = match_token(o, tokens, tmp);
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switch (token) {
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case Opt_lockproto:
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match_strlcpy(args->ar_lockproto, &tmp[0],
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GFS2_LOCKNAME_LEN);
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break;
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case Opt_locktable:
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match_strlcpy(args->ar_locktable, &tmp[0],
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GFS2_LOCKNAME_LEN);
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break;
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case Opt_hostdata:
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match_strlcpy(args->ar_hostdata, &tmp[0],
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GFS2_LOCKNAME_LEN);
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break;
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case Opt_spectator:
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args->ar_spectator = 1;
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break;
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case Opt_ignore_local_fs:
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args->ar_ignore_local_fs = 1;
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break;
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case Opt_localflocks:
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args->ar_localflocks = 1;
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break;
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case Opt_localcaching:
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args->ar_localcaching = 1;
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break;
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case Opt_debug:
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args->ar_debug = 1;
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break;
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case Opt_nodebug:
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args->ar_debug = 0;
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break;
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case Opt_upgrade:
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args->ar_upgrade = 1;
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break;
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case Opt_acl:
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args->ar_posix_acl = 1;
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break;
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case Opt_noacl:
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args->ar_posix_acl = 0;
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break;
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case Opt_quota_off:
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case Opt_noquota:
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args->ar_quota = GFS2_QUOTA_OFF;
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break;
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case Opt_quota_account:
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args->ar_quota = GFS2_QUOTA_ACCOUNT;
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break;
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case Opt_quota_on:
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case Opt_quota:
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args->ar_quota = GFS2_QUOTA_ON;
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break;
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case Opt_suiddir:
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args->ar_suiddir = 1;
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break;
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case Opt_nosuiddir:
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args->ar_suiddir = 0;
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break;
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case Opt_data_writeback:
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args->ar_data = GFS2_DATA_WRITEBACK;
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break;
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case Opt_data_ordered:
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args->ar_data = GFS2_DATA_ORDERED;
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break;
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case Opt_meta:
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args->ar_meta = 1;
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break;
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case Opt_discard:
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args->ar_discard = 1;
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break;
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case Opt_nodiscard:
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args->ar_discard = 0;
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break;
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case Opt_err:
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default:
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fs_info(sdp, "invalid mount option: %s\n", o);
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return -EINVAL;
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}
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}
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return 0;
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}
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