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confile: split mount options into flags and data

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Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner 2018-07-29 14:35:09 +02:00
parent 8ce1abc28a
commit 3437f95c47
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GPG Key ID: 8EB056D53EECB12D
2 changed files with 36 additions and 3 deletions
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8
src/lxc/conf.h
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@ -150,14 +150,18 @@ struct lxc_tty_info {
* optionals pivot_root, rootfs mount paths
* @path : the rootfs source (directory or device)
* @mount : where it is mounted
* @options : mount options
* @bev_type : optional backing store type
* @options : mount options
* @mountflags : the portion of @options that are flags
* @data : the porition of @options that are not flags
*/
struct lxc_rootfs {
char *path;
char *mount;
char *options;
char *bdev_type;
char *options;
unsigned long mountflags;
char *data;
};
/*

31
src/lxc/confile.c
View File

@ -2143,7 +2143,32 @@ static int set_config_rootfs_mount(const char *key, const char *value,
static int set_config_rootfs_options(const char *key, const char *value,
struct lxc_conf *lxc_conf, void *data)
{
return set_config_string_item(&lxc_conf->rootfs.options, value);
int ret;
unsigned long mflags = 0, pflags = 0;
char *mdata = NULL, *opts = NULL;
struct lxc_rootfs *rootfs = &lxc_conf->rootfs;
ret = parse_mntopts(value, &mflags, &mdata);
if (ret < 0)
return -EINVAL;
ret = parse_propagationopts(value, &pflags);
if (ret < 0) {
free(mdata);
return -EINVAL;
}
ret = set_config_string_item(&opts, value);
if (ret < 0) {
free(mdata);
return -ENOMEM;
}
rootfs->mountflags = mflags | pflags;
rootfs->options = opts;
rootfs->data = mdata;
return 0;
}
static int set_config_uts_name(const char *key, const char *value,
@ -3964,6 +3989,10 @@ static inline int clr_config_rootfs_options(const char *key, struct lxc_conf *c,
{
free(c->rootfs.options);
c->rootfs.options = NULL;
free(c->rootfs.data);
c->rootfs.data = NULL;
return 0;
}