Commit | Line | Data |
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b3b94faa DT |
1 | /* |
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
3a8a9a10 | 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
b3b94faa DT |
4 | * |
5 | * This copyrighted material is made available to anyone wishing to use, | |
6 | * modify, copy, or redistribute it subject to the terms and conditions | |
e9fc2aa0 | 7 | * of the GNU General Public License version 2. |
b3b94faa DT |
8 | */ |
9 | ||
b3b94faa DT |
10 | #include <linux/slab.h> |
11 | #include <linux/spinlock.h> | |
12 | #include <linux/completion.h> | |
13 | #include <linux/buffer_head.h> | |
5c676f6d | 14 | #include <linux/gfs2_ondisk.h> |
476c006b | 15 | #include <linux/parser.h> |
b3b94faa DT |
16 | |
17 | #include "gfs2.h" | |
5c676f6d | 18 | #include "incore.h" |
6f04c1c7 | 19 | #include "super.h" |
b3b94faa | 20 | #include "sys.h" |
5c676f6d | 21 | #include "util.h" |
b3b94faa | 22 | |
476c006b JB |
23 | enum { |
24 | Opt_lockproto, | |
25 | Opt_locktable, | |
26 | Opt_hostdata, | |
27 | Opt_spectator, | |
28 | Opt_ignore_local_fs, | |
29 | Opt_localflocks, | |
30 | Opt_localcaching, | |
31 | Opt_debug, | |
32 | Opt_nodebug, | |
33 | Opt_upgrade, | |
476c006b JB |
34 | Opt_acl, |
35 | Opt_noacl, | |
36 | Opt_quota_off, | |
37 | Opt_quota_account, | |
38 | Opt_quota_on, | |
b9a96945 SW |
39 | Opt_quota, |
40 | Opt_noquota, | |
476c006b JB |
41 | Opt_suiddir, |
42 | Opt_nosuiddir, | |
43 | Opt_data_writeback, | |
44 | Opt_data_ordered, | |
9b8df98f | 45 | Opt_meta, |
f15ab561 SW |
46 | Opt_discard, |
47 | Opt_nodiscard, | |
9a5ad138 | 48 | Opt_err, |
476c006b JB |
49 | }; |
50 | ||
a447c093 | 51 | static const match_table_t tokens = { |
476c006b JB |
52 | {Opt_lockproto, "lockproto=%s"}, |
53 | {Opt_locktable, "locktable=%s"}, | |
54 | {Opt_hostdata, "hostdata=%s"}, | |
55 | {Opt_spectator, "spectator"}, | |
56 | {Opt_ignore_local_fs, "ignore_local_fs"}, | |
57 | {Opt_localflocks, "localflocks"}, | |
58 | {Opt_localcaching, "localcaching"}, | |
59 | {Opt_debug, "debug"}, | |
60 | {Opt_nodebug, "nodebug"}, | |
61 | {Opt_upgrade, "upgrade"}, | |
476c006b JB |
62 | {Opt_acl, "acl"}, |
63 | {Opt_noacl, "noacl"}, | |
64 | {Opt_quota_off, "quota=off"}, | |
65 | {Opt_quota_account, "quota=account"}, | |
66 | {Opt_quota_on, "quota=on"}, | |
b9a96945 SW |
67 | {Opt_quota, "quota"}, |
68 | {Opt_noquota, "noquota"}, | |
476c006b JB |
69 | {Opt_suiddir, "suiddir"}, |
70 | {Opt_nosuiddir, "nosuiddir"}, | |
71 | {Opt_data_writeback, "data=writeback"}, | |
9a5ad138 | 72 | {Opt_data_ordered, "data=ordered"}, |
9b8df98f | 73 | {Opt_meta, "meta"}, |
f15ab561 SW |
74 | {Opt_discard, "discard"}, |
75 | {Opt_nodiscard, "nodiscard"}, | |
9a5ad138 | 76 | {Opt_err, NULL} |
476c006b JB |
77 | }; |
78 | ||
b3b94faa DT |
79 | /** |
80 | * gfs2_mount_args - Parse mount options | |
81 | * @sdp: | |
82 | * @data: | |
83 | * | |
84 | * Return: errno | |
85 | */ | |
86 | ||
6f04c1c7 | 87 | int gfs2_mount_args(struct gfs2_sbd *sdp, struct gfs2_args *args, char *options) |
b3b94faa | 88 | { |
6f04c1c7 SW |
89 | char *o; |
90 | int token; | |
91 | substring_t tmp[MAX_OPT_ARGS]; | |
b3b94faa DT |
92 | |
93 | /* Split the options into tokens with the "," character and | |
94 | process them */ | |
95 | ||
6f04c1c7 SW |
96 | while (1) { |
97 | o = strsep(&options, ","); | |
98 | if (o == NULL) | |
99 | break; | |
100 | if (*o == '\0') | |
b3b94faa DT |
101 | continue; |
102 | ||
476c006b JB |
103 | token = match_token(o, tokens, tmp); |
104 | switch (token) { | |
105 | case Opt_lockproto: | |
6f04c1c7 SW |
106 | match_strlcpy(args->ar_lockproto, &tmp[0], |
107 | GFS2_LOCKNAME_LEN); | |
476c006b JB |
108 | break; |
109 | case Opt_locktable: | |
6f04c1c7 SW |
110 | match_strlcpy(args->ar_locktable, &tmp[0], |
111 | GFS2_LOCKNAME_LEN); | |
476c006b JB |
112 | break; |
113 | case Opt_hostdata: | |
6f04c1c7 SW |
114 | match_strlcpy(args->ar_hostdata, &tmp[0], |
115 | GFS2_LOCKNAME_LEN); | |
476c006b JB |
116 | break; |
117 | case Opt_spectator: | |
b3b94faa | 118 | args->ar_spectator = 1; |
476c006b JB |
119 | break; |
120 | case Opt_ignore_local_fs: | |
b3b94faa | 121 | args->ar_ignore_local_fs = 1; |
476c006b JB |
122 | break; |
123 | case Opt_localflocks: | |
b3b94faa | 124 | args->ar_localflocks = 1; |
476c006b JB |
125 | break; |
126 | case Opt_localcaching: | |
b3b94faa | 127 | args->ar_localcaching = 1; |
476c006b JB |
128 | break; |
129 | case Opt_debug: | |
b3b94faa | 130 | args->ar_debug = 1; |
476c006b JB |
131 | break; |
132 | case Opt_nodebug: | |
b3b94faa | 133 | args->ar_debug = 0; |
476c006b JB |
134 | break; |
135 | case Opt_upgrade: | |
b3b94faa | 136 | args->ar_upgrade = 1; |
476c006b | 137 | break; |
476c006b | 138 | case Opt_acl: |
b3b94faa | 139 | args->ar_posix_acl = 1; |
476c006b JB |
140 | break; |
141 | case Opt_noacl: | |
b3b94faa | 142 | args->ar_posix_acl = 0; |
476c006b JB |
143 | break; |
144 | case Opt_quota_off: | |
b9a96945 | 145 | case Opt_noquota: |
476c006b JB |
146 | args->ar_quota = GFS2_QUOTA_OFF; |
147 | break; | |
148 | case Opt_quota_account: | |
149 | args->ar_quota = GFS2_QUOTA_ACCOUNT; | |
150 | break; | |
151 | case Opt_quota_on: | |
b9a96945 | 152 | case Opt_quota: |
476c006b JB |
153 | args->ar_quota = GFS2_QUOTA_ON; |
154 | break; | |
155 | case Opt_suiddir: | |
b3b94faa | 156 | args->ar_suiddir = 1; |
476c006b JB |
157 | break; |
158 | case Opt_nosuiddir: | |
b3b94faa | 159 | args->ar_suiddir = 0; |
476c006b JB |
160 | break; |
161 | case Opt_data_writeback: | |
162 | args->ar_data = GFS2_DATA_WRITEBACK; | |
163 | break; | |
164 | case Opt_data_ordered: | |
165 | args->ar_data = GFS2_DATA_ORDERED; | |
166 | break; | |
9b8df98f | 167 | case Opt_meta: |
9b8df98f SW |
168 | args->ar_meta = 1; |
169 | break; | |
f15ab561 SW |
170 | case Opt_discard: |
171 | args->ar_discard = 1; | |
172 | break; | |
173 | case Opt_nodiscard: | |
174 | args->ar_discard = 0; | |
175 | break; | |
9a5ad138 | 176 | case Opt_err: |
476c006b | 177 | default: |
6f04c1c7 SW |
178 | fs_info(sdp, "invalid mount option: %s\n", o); |
179 | return -EINVAL; | |
b3b94faa DT |
180 | } |
181 | } | |
182 | ||
6f04c1c7 | 183 | return 0; |
b3b94faa DT |
184 | } |
185 |