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Diffstat (limited to 'fs/gfs2/ops_fstype.c')
-rw-r--r--fs/gfs2/ops_fstype.c103
1 files changed, 44 insertions, 59 deletions
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index b3e904bcc02c..a1a8ef7ed3fd 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -1252,6 +1252,7 @@ enum gfs2_param {
Opt_upgrade,
Opt_acl,
Opt_quota,
+ Opt_quota_flag,
Opt_suiddir,
Opt_data,
Opt_meta,
@@ -1266,17 +1267,11 @@ enum gfs2_param {
Opt_loccookie,
};
-enum opt_quota {
- Opt_quota_unset = 0,
- Opt_quota_off,
- Opt_quota_account,
- Opt_quota_on,
-};
-
-static const unsigned int opt_quota_values[] = {
- [Opt_quota_off] = GFS2_QUOTA_OFF,
- [Opt_quota_account] = GFS2_QUOTA_ACCOUNT,
- [Opt_quota_on] = GFS2_QUOTA_ON,
+static const struct constant_table gfs2_param_quota[] = {
+ {"off", GFS2_QUOTA_OFF},
+ {"account", GFS2_QUOTA_ACCOUNT},
+ {"on", GFS2_QUOTA_ON},
+ {}
};
enum opt_data {
@@ -1284,12 +1279,24 @@ enum opt_data {
Opt_data_ordered = GFS2_DATA_ORDERED,
};
+static const struct constant_table gfs2_param_data[] = {
+ {"writeback", Opt_data_writeback },
+ {"ordered", Opt_data_ordered },
+ {}
+};
+
enum opt_errors {
Opt_errors_withdraw = GFS2_ERRORS_WITHDRAW,
Opt_errors_panic = GFS2_ERRORS_PANIC,
};
-static const struct fs_parameter_spec gfs2_param_specs[] = {
+static const struct constant_table gfs2_param_errors[] = {
+ {"withdraw", Opt_errors_withdraw },
+ {"panic", Opt_errors_panic },
+ {}
+};
+
+static const struct fs_parameter_spec gfs2_fs_parameters[] = {
fsparam_string ("lockproto", Opt_lockproto),
fsparam_string ("locktable", Opt_locktable),
fsparam_string ("hostdata", Opt_hostdata),
@@ -1302,11 +1309,11 @@ static const struct fs_parameter_spec gfs2_param_specs[] = {
fsparam_flag ("upgrade", Opt_upgrade),
fsparam_flag_no("acl", Opt_acl),
fsparam_flag_no("suiddir", Opt_suiddir),
- fsparam_enum ("data", Opt_data),
+ fsparam_enum ("data", Opt_data, gfs2_param_data),
fsparam_flag ("meta", Opt_meta),
fsparam_flag_no("discard", Opt_discard),
fsparam_s32 ("commit", Opt_commit),
- fsparam_enum ("errors", Opt_errors),
+ fsparam_enum ("errors", Opt_errors, gfs2_param_errors),
fsparam_s32 ("statfs_quantum", Opt_statfs_quantum),
fsparam_s32 ("statfs_percent", Opt_statfs_percent),
fsparam_s32 ("quota_quantum", Opt_quota_quantum),
@@ -1314,27 +1321,11 @@ static const struct fs_parameter_spec gfs2_param_specs[] = {
fsparam_flag_no("rgrplvb", Opt_rgrplvb),
fsparam_flag_no("loccookie", Opt_loccookie),
/* quota can be a flag or an enum so it gets special treatment */
- __fsparam(fs_param_is_enum, "quota", Opt_quota, fs_param_neg_with_no|fs_param_v_optional),
- {}
-};
-
-static const struct fs_parameter_enum gfs2_param_enums[] = {
- { Opt_quota, "off", Opt_quota_off },
- { Opt_quota, "account", Opt_quota_account },
- { Opt_quota, "on", Opt_quota_on },
- { Opt_data, "writeback", Opt_data_writeback },
- { Opt_data, "ordered", Opt_data_ordered },
- { Opt_errors, "withdraw", Opt_errors_withdraw },
- { Opt_errors, "panic", Opt_errors_panic },
+ fsparam_flag_no("quota", Opt_quota_flag),
+ fsparam_enum("quota", Opt_quota, gfs2_param_quota),
{}
};
-static const struct fs_parameter_description gfs2_fs_parameters = {
- .name = "gfs2",
- .specs = gfs2_param_specs,
- .enums = gfs2_param_enums,
-};
-
/* Parse a single mount parameter */
static int gfs2_parse_param(struct fs_context *fc, struct fs_parameter *param)
{
@@ -1342,7 +1333,7 @@ static int gfs2_parse_param(struct fs_context *fc, struct fs_parameter *param)
struct fs_parse_result result;
int o;
- o = fs_parse(fc, &gfs2_fs_parameters, param, &result);
+ o = fs_parse(fc, gfs2_fs_parameters, param, &result);
if (o < 0)
return o;
@@ -1370,7 +1361,7 @@ static int gfs2_parse_param(struct fs_context *fc, struct fs_parameter *param)
break;
case Opt_debug:
if (result.boolean && args->ar_errors == GFS2_ERRORS_PANIC)
- return invalf(fc, "gfs2: -o debug and -o errors=panic are mutually exclusive");
+ return invalfc(fc, "-o debug and -o errors=panic are mutually exclusive");
args->ar_debug = result.boolean;
break;
case Opt_upgrade:
@@ -1379,17 +1370,11 @@ static int gfs2_parse_param(struct fs_context *fc, struct fs_parameter *param)
case Opt_acl:
args->ar_posix_acl = result.boolean;
break;
+ case Opt_quota_flag:
+ args->ar_quota = result.negated ? GFS2_QUOTA_OFF : GFS2_QUOTA_ON;
+ break;
case Opt_quota:
- /* The quota option can be a flag or an enum. A non-zero int_32
- result means that we have an enum index. Otherwise we have
- to rely on the 'negated' flag to tell us whether 'quota' or
- 'noquota' was specified. */
- if (result.negated)
- args->ar_quota = GFS2_QUOTA_OFF;
- else if (result.int_32 > 0)
- args->ar_quota = opt_quota_values[result.int_32];
- else
- args->ar_quota = GFS2_QUOTA_ON;
+ args->ar_quota = result.int_32;
break;
case Opt_suiddir:
args->ar_suiddir = result.boolean;
@@ -1406,27 +1391,27 @@ static int gfs2_parse_param(struct fs_context *fc, struct fs_parameter *param)
break;
case Opt_commit:
if (result.int_32 <= 0)
- return invalf(fc, "gfs2: commit mount option requires a positive numeric argument");
+ return invalfc(fc, "commit mount option requires a positive numeric argument");
args->ar_commit = result.int_32;
break;
case Opt_statfs_quantum:
if (result.int_32 < 0)
- return invalf(fc, "gfs2: statfs_quantum mount option requires a non-negative numeric argument");
+ return invalfc(fc, "statfs_quantum mount option requires a non-negative numeric argument");
args->ar_statfs_quantum = result.int_32;
break;
case Opt_quota_quantum:
if (result.int_32 <= 0)
- return invalf(fc, "gfs2: quota_quantum mount option requires a positive numeric argument");
+ return invalfc(fc, "quota_quantum mount option requires a positive numeric argument");
args->ar_quota_quantum = result.int_32;
break;
case Opt_statfs_percent:
if (result.int_32 < 0 || result.int_32 > 100)
- return invalf(fc, "gfs2: statfs_percent mount option requires a numeric argument between 0 and 100");
+ return invalfc(fc, "statfs_percent mount option requires a numeric argument between 0 and 100");
args->ar_statfs_percent = result.int_32;
break;
case Opt_errors:
if (args->ar_debug && result.uint_32 == GFS2_ERRORS_PANIC)
- return invalf(fc, "gfs2: -o debug and -o errors=panic are mutually exclusive");
+ return invalfc(fc, "-o debug and -o errors=panic are mutually exclusive");
args->ar_errors = result.uint_32;
break;
case Opt_barrier:
@@ -1439,7 +1424,7 @@ static int gfs2_parse_param(struct fs_context *fc, struct fs_parameter *param)
args->ar_loccookie = result.boolean;
break;
default:
- return invalf(fc, "gfs2: invalid mount option: %s", param->key);
+ return invalfc(fc, "invalid mount option: %s", param->key);
}
return 0;
}
@@ -1465,27 +1450,27 @@ static int gfs2_reconfigure(struct fs_context *fc)
spin_unlock(&gt->gt_spin);
if (strcmp(newargs->ar_lockproto, oldargs->ar_lockproto)) {
- errorf(fc, "gfs2: reconfiguration of locking protocol not allowed");
+ errorfc(fc, "reconfiguration of locking protocol not allowed");
return -EINVAL;
}
if (strcmp(newargs->ar_locktable, oldargs->ar_locktable)) {
- errorf(fc, "gfs2: reconfiguration of lock table not allowed");
+ errorfc(fc, "reconfiguration of lock table not allowed");
return -EINVAL;
}
if (strcmp(newargs->ar_hostdata, oldargs->ar_hostdata)) {
- errorf(fc, "gfs2: reconfiguration of host data not allowed");
+ errorfc(fc, "reconfiguration of host data not allowed");
return -EINVAL;
}
if (newargs->ar_spectator != oldargs->ar_spectator) {
- errorf(fc, "gfs2: reconfiguration of spectator mode not allowed");
+ errorfc(fc, "reconfiguration of spectator mode not allowed");
return -EINVAL;
}
if (newargs->ar_localflocks != oldargs->ar_localflocks) {
- errorf(fc, "gfs2: reconfiguration of localflocks not allowed");
+ errorfc(fc, "reconfiguration of localflocks not allowed");
return -EINVAL;
}
if (newargs->ar_meta != oldargs->ar_meta) {
- errorf(fc, "gfs2: switching between gfs2 and gfs2meta not allowed");
+ errorfc(fc, "switching between gfs2 and gfs2meta not allowed");
return -EINVAL;
}
if (oldargs->ar_spectator)
@@ -1495,11 +1480,11 @@ static int gfs2_reconfigure(struct fs_context *fc)
if (fc->sb_flags & SB_RDONLY) {
error = gfs2_make_fs_ro(sdp);
if (error)
- errorf(fc, "gfs2: unable to remount read-only");
+ errorfc(fc, "unable to remount read-only");
} else {
error = gfs2_make_fs_rw(sdp);
if (error)
- errorf(fc, "gfs2: unable to remount read-write");
+ errorfc(fc, "unable to remount read-write");
}
}
sdp->sd_args = *newargs;
@@ -1644,7 +1629,7 @@ struct file_system_type gfs2_fs_type = {
.name = "gfs2",
.fs_flags = FS_REQUIRES_DEV,
.init_fs_context = gfs2_init_fs_context,
- .parameters = &gfs2_fs_parameters,
+ .parameters = gfs2_fs_parameters,
.kill_sb = gfs2_kill_sb,
.owner = THIS_MODULE,
};