#include <linux/completion.h>
#include <linux/buffer_head.h>
#include <linux/gfs2_ondisk.h>
-#include <linux/lm_interface.h>
#include <linux/parser.h>
#include "gfs2.h"
#include "incore.h"
-#include "mount.h"
+#include "super.h"
#include "sys.h"
#include "util.h"
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,
};
{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}
};
* Return: errno
*/
-int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount)
+int gfs2_mount_args(struct gfs2_sbd *sdp, struct gfs2_args *args, char *options)
{
- struct gfs2_args *args = &sdp->sd_args;
- char *data = data_arg;
- char *options, *o, *v;
- int error = 0;
-
- if (!remount) {
- /* If someone preloaded options, use those instead */
- spin_lock(&gfs2_sys_margs_lock);
- if (gfs2_sys_margs) {
- data = gfs2_sys_margs;
- gfs2_sys_margs = NULL;
- }
- spin_unlock(&gfs2_sys_margs_lock);
-
- /* Set some defaults */
- args->ar_quota = GFS2_QUOTA_DEFAULT;
- args->ar_data = GFS2_DATA_DEFAULT;
- }
+ char *o;
+ int token;
+ substring_t tmp[MAX_OPT_ARGS];
/* Split the options into tokens with the "," character and
process them */
- for (options = data; (o = strsep(&options, ",")); ) {
- int token;
- substring_t tmp[MAX_OPT_ARGS];
-
- if (!*o)
+ while (1) {
+ o = strsep(&options, ",");
+ if (o == NULL)
+ break;
+ if (*o == '\0')
continue;
token = match_token(o, tokens, tmp);
switch (token) {
case Opt_lockproto:
- v = match_strdup(&tmp[0]);
- if (!v) {
- fs_info(sdp, "no memory for lockproto\n");
- error = -ENOMEM;
- goto out_error;
- }
-
- if (remount && strcmp(v, args->ar_lockproto)) {
- kfree(v);
- goto cant_remount;
- }
-
- strncpy(args->ar_lockproto, v, GFS2_LOCKNAME_LEN);
- args->ar_lockproto[GFS2_LOCKNAME_LEN - 1] = 0;
- kfree(v);
+ match_strlcpy(args->ar_lockproto, &tmp[0],
+ GFS2_LOCKNAME_LEN);
break;
case Opt_locktable:
- v = match_strdup(&tmp[0]);
- if (!v) {
- fs_info(sdp, "no memory for locktable\n");
- error = -ENOMEM;
- goto out_error;
- }
-
- if (remount && strcmp(v, args->ar_locktable)) {
- kfree(v);
- goto cant_remount;
- }
-
- strncpy(args->ar_locktable, v, GFS2_LOCKNAME_LEN);
- args->ar_locktable[GFS2_LOCKNAME_LEN - 1] = 0;
- kfree(v);
+ match_strlcpy(args->ar_locktable, &tmp[0],
+ GFS2_LOCKNAME_LEN);
break;
case Opt_hostdata:
- v = match_strdup(&tmp[0]);
- if (!v) {
- fs_info(sdp, "no memory for hostdata\n");
- error = -ENOMEM;
- goto out_error;
- }
-
- if (remount && strcmp(v, args->ar_hostdata)) {
- kfree(v);
- goto cant_remount;
- }
-
- strncpy(args->ar_hostdata, v, GFS2_LOCKNAME_LEN);
- args->ar_hostdata[GFS2_LOCKNAME_LEN - 1] = 0;
- kfree(v);
+ match_strlcpy(args->ar_hostdata, &tmp[0],
+ GFS2_LOCKNAME_LEN);
break;
case Opt_spectator:
- if (remount && !args->ar_spectator)
- goto cant_remount;
args->ar_spectator = 1;
- sdp->sd_vfs->s_flags |= MS_RDONLY;
break;
case Opt_ignore_local_fs:
- if (remount && !args->ar_ignore_local_fs)
- goto cant_remount;
args->ar_ignore_local_fs = 1;
break;
case Opt_localflocks:
- if (remount && !args->ar_localflocks)
- goto cant_remount;
args->ar_localflocks = 1;
break;
case Opt_localcaching:
- if (remount && !args->ar_localcaching)
- goto cant_remount;
args->ar_localcaching = 1;
break;
case Opt_debug:
args->ar_debug = 0;
break;
case Opt_upgrade:
- if (remount && !args->ar_upgrade)
- goto cant_remount;
args->ar_upgrade = 1;
break;
case Opt_acl:
args->ar_posix_acl = 1;
- sdp->sd_vfs->s_flags |= MS_POSIXACL;
break;
case Opt_noacl:
args->ar_posix_acl = 0;
- sdp->sd_vfs->s_flags &= ~MS_POSIXACL;
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_data = GFS2_DATA_ORDERED;
break;
case Opt_meta:
- if (remount && args->ar_meta != 1)
- goto cant_remount;
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, "unknown option: %s\n", o);
- error = -EINVAL;
- goto out_error;
+ fs_info(sdp, "invalid mount option: %s\n", o);
+ return -EINVAL;
}
}
-out_error:
- if (error)
- fs_info(sdp, "invalid mount option(s)\n");
-
- if (data != data_arg)
- kfree(data);
-
- return error;
-
-cant_remount:
- fs_info(sdp, "can't remount with option %s\n", o);
- return -EINVAL;
+ return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff