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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, | |
39 | Opt_suiddir, | |
40 | Opt_nosuiddir, | |
41 | Opt_data_writeback, | |
42 | Opt_data_ordered, | |
9b8df98f | 43 | Opt_meta, |
9a5ad138 | 44 | Opt_err, |
476c006b JB |
45 | }; |
46 | ||
a447c093 | 47 | static const match_table_t tokens = { |
476c006b JB |
48 | {Opt_lockproto, "lockproto=%s"}, |
49 | {Opt_locktable, "locktable=%s"}, | |
50 | {Opt_hostdata, "hostdata=%s"}, | |
51 | {Opt_spectator, "spectator"}, | |
52 | {Opt_ignore_local_fs, "ignore_local_fs"}, | |
53 | {Opt_localflocks, "localflocks"}, | |
54 | {Opt_localcaching, "localcaching"}, | |
55 | {Opt_debug, "debug"}, | |
56 | {Opt_nodebug, "nodebug"}, | |
57 | {Opt_upgrade, "upgrade"}, | |
476c006b JB |
58 | {Opt_acl, "acl"}, |
59 | {Opt_noacl, "noacl"}, | |
60 | {Opt_quota_off, "quota=off"}, | |
61 | {Opt_quota_account, "quota=account"}, | |
62 | {Opt_quota_on, "quota=on"}, | |
63 | {Opt_suiddir, "suiddir"}, | |
64 | {Opt_nosuiddir, "nosuiddir"}, | |
65 | {Opt_data_writeback, "data=writeback"}, | |
9a5ad138 | 66 | {Opt_data_ordered, "data=ordered"}, |
9b8df98f | 67 | {Opt_meta, "meta"}, |
9a5ad138 | 68 | {Opt_err, NULL} |
476c006b JB |
69 | }; |
70 | ||
b3b94faa DT |
71 | /** |
72 | * gfs2_mount_args - Parse mount options | |
73 | * @sdp: | |
74 | * @data: | |
75 | * | |
76 | * Return: errno | |
77 | */ | |
78 | ||
6f04c1c7 | 79 | int gfs2_mount_args(struct gfs2_sbd *sdp, struct gfs2_args *args, char *options) |
b3b94faa | 80 | { |
6f04c1c7 SW |
81 | char *o; |
82 | int token; | |
83 | substring_t tmp[MAX_OPT_ARGS]; | |
b3b94faa DT |
84 | |
85 | /* Split the options into tokens with the "," character and | |
86 | process them */ | |
87 | ||
6f04c1c7 SW |
88 | while (1) { |
89 | o = strsep(&options, ","); | |
90 | if (o == NULL) | |
91 | break; | |
92 | if (*o == '\0') | |
b3b94faa DT |
93 | continue; |
94 | ||
476c006b JB |
95 | token = match_token(o, tokens, tmp); |
96 | switch (token) { | |
97 | case Opt_lockproto: | |
6f04c1c7 SW |
98 | match_strlcpy(args->ar_lockproto, &tmp[0], |
99 | GFS2_LOCKNAME_LEN); | |
476c006b JB |
100 | break; |
101 | case Opt_locktable: | |
6f04c1c7 SW |
102 | match_strlcpy(args->ar_locktable, &tmp[0], |
103 | GFS2_LOCKNAME_LEN); | |
476c006b JB |
104 | break; |
105 | case Opt_hostdata: | |
6f04c1c7 SW |
106 | match_strlcpy(args->ar_hostdata, &tmp[0], |
107 | GFS2_LOCKNAME_LEN); | |
476c006b JB |
108 | break; |
109 | case Opt_spectator: | |
b3b94faa | 110 | args->ar_spectator = 1; |
476c006b JB |
111 | break; |
112 | case Opt_ignore_local_fs: | |
b3b94faa | 113 | args->ar_ignore_local_fs = 1; |
476c006b JB |
114 | break; |
115 | case Opt_localflocks: | |
b3b94faa | 116 | args->ar_localflocks = 1; |
476c006b JB |
117 | break; |
118 | case Opt_localcaching: | |
b3b94faa | 119 | args->ar_localcaching = 1; |
476c006b JB |
120 | break; |
121 | case Opt_debug: | |
b3b94faa | 122 | args->ar_debug = 1; |
476c006b JB |
123 | break; |
124 | case Opt_nodebug: | |
b3b94faa | 125 | args->ar_debug = 0; |
476c006b JB |
126 | break; |
127 | case Opt_upgrade: | |
b3b94faa | 128 | args->ar_upgrade = 1; |
476c006b | 129 | break; |
476c006b | 130 | case Opt_acl: |
b3b94faa | 131 | args->ar_posix_acl = 1; |
476c006b JB |
132 | break; |
133 | case Opt_noacl: | |
b3b94faa | 134 | args->ar_posix_acl = 0; |
476c006b JB |
135 | break; |
136 | case Opt_quota_off: | |
137 | args->ar_quota = GFS2_QUOTA_OFF; | |
138 | break; | |
139 | case Opt_quota_account: | |
140 | args->ar_quota = GFS2_QUOTA_ACCOUNT; | |
141 | break; | |
142 | case Opt_quota_on: | |
143 | args->ar_quota = GFS2_QUOTA_ON; | |
144 | break; | |
145 | case Opt_suiddir: | |
b3b94faa | 146 | args->ar_suiddir = 1; |
476c006b JB |
147 | break; |
148 | case Opt_nosuiddir: | |
b3b94faa | 149 | args->ar_suiddir = 0; |
476c006b JB |
150 | break; |
151 | case Opt_data_writeback: | |
152 | args->ar_data = GFS2_DATA_WRITEBACK; | |
153 | break; | |
154 | case Opt_data_ordered: | |
155 | args->ar_data = GFS2_DATA_ORDERED; | |
156 | break; | |
9b8df98f | 157 | case Opt_meta: |
9b8df98f SW |
158 | args->ar_meta = 1; |
159 | break; | |
9a5ad138 | 160 | case Opt_err: |
476c006b | 161 | default: |
6f04c1c7 SW |
162 | fs_info(sdp, "invalid mount option: %s\n", o); |
163 | return -EINVAL; | |
b3b94faa DT |
164 | } |
165 | } | |
166 | ||
6f04c1c7 | 167 | return 0; |
b3b94faa DT |
168 | } |
169 |