/* * 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/parser.h> #include "gfs2.h" #include "incore.h" #include "super.h" #include "sys.h" #include "util.h" enum { Opt_lockproto, Opt_locktable, Opt_hostdata, Opt_spectator, Opt_ignore_local_fs, Opt_localflocks, Opt_localcaching, Opt_debug, Opt_nodebug, Opt_upgrade, Opt_acl, Opt_noacl, Opt_quota_off, Opt_quota_account, Opt_quota_on, Opt_quota, Opt_noquota, Opt_suiddir, Opt_nosuiddir, Opt_data_writeback, Opt_data_ordered, Opt_meta, Opt_discard, Opt_nodiscard, Opt_err, }; static const match_table_t tokens = { {Opt_lockproto, "lockproto=%s"}, {Opt_locktable, "locktable=%s"}, {Opt_hostdata, "hostdata=%s"}, {Opt_spectator, "spectator"}, {Opt_ignore_local_fs, "ignore_local_fs"}, {Opt_localflocks, "localflocks"}, {Opt_localcaching, "localcaching"}, {Opt_debug, "debug"}, {Opt_nodebug, "nodebug"}, {Opt_upgrade, "upgrade"}, {Opt_acl, "acl"}, {Opt_noacl, "noacl"}, {Opt_quota_off, "quota=off"}, {Opt_quota_account, "quota=account"}, {Opt_quota_on, "quota=on"}, {Opt_quota, "quota"}, {Opt_noquota, "noquota"}, {Opt_suiddir, "suiddir"}, {Opt_nosuiddir, "nosuiddir"}, {Opt_data_writeback, "data=writeback"}, {Opt_data_ordered, "data=ordered"}, {Opt_meta, "meta"}, {Opt_discard, "discard"}, {Opt_nodiscard, "nodiscard"}, {Opt_err, NULL} }; /** * gfs2_mount_args - Parse mount options * @sdp: * @data: * * Return: errno */ int gfs2_mount_args(struct gfs2_sbd *sdp, struct gfs2_args *args, char *options) { char *o; int token; substring_t tmp[MAX_OPT_ARGS]; /* Split the options into tokens with the "," character and process them */ while (1) { o = strsep(&options, ","); if (o == NULL) break; if (*o == '\0') continue; token = match_token(o, tokens, tmp); switch (token) { case Opt_lockproto: match_strlcpy(args->ar_lockproto, &tmp[0], GFS2_LOCKNAME_LEN); break; case Opt_locktable: match_strlcpy(args->ar_locktable, &tmp[0], GFS2_LOCKNAME_LEN); break; case Opt_hostdata: match_strlcpy(args->ar_hostdata, &tmp[0], GFS2_LOCKNAME_LEN); break; case Opt_spectator: args->ar_spectator = 1; break; case Opt_ignore_local_fs: args->ar_ignore_local_fs = 1; break; case Opt_localflocks: args->ar_localflocks = 1; break; case Opt_localcaching: args->ar_localcaching = 1; break; case Opt_debug: args->ar_debug = 1; break; case Opt_nodebug: args->ar_debug = 0; break; case Opt_upgrade: args->ar_upgrade = 1; break; case Opt_acl: args->ar_posix_acl = 1; break; case Opt_noacl: args->ar_posix_acl = 0; break; case Opt_quota_off: case Opt_noquota: args->ar_quota = GFS2_QUOTA_OFF; break; case Opt_quota_account: args->ar_quota = GFS2_QUOTA_ACCOUNT; break; case Opt_quota_on: case Opt_quota: args->ar_quota = GFS2_QUOTA_ON; break; case Opt_suiddir: args->ar_suiddir = 1; break; case Opt_nosuiddir: args->ar_suiddir = 0; break; case Opt_data_writeback: args->ar_data = GFS2_DATA_WRITEBACK; break; case Opt_data_ordered: args->ar_data = GFS2_DATA_ORDERED; break; case Opt_meta: args->ar_meta = 1; break; case Opt_discard: args->ar_discard = 1; break; case Opt_nodiscard: args->ar_discard = 0; break; case Opt_err: default: fs_info(sdp, "invalid mount option: %s\n", o); return -EINVAL; } } return 0; }