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main: userspace control for compat_deletions

This commit is contained in:
Thomas Schoebel-Theuer 2020-03-01 16:18:07 +01:00
parent 780cb41f1f
commit 96561ba0d3
2 changed files with 23 additions and 1 deletions
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21
kernel/sy_old/mars_main.c
View File

@ -39,7 +39,7 @@
/* In contrast, this _should_ be updated when _compatible_ features
* are added.
*/
#define OPTIONAL_FEATURES_VERSION "2"
#define OPTIONAL_FEATURES_VERSION "3"
// disable this only for debugging!
#define RUN_PEERS
@ -549,6 +549,7 @@ enum {
CL_GBL_ACTUAL_ITEMS,
CL_TREE,
CL_FEATURES,
CL_COMPAT_DELETIONS, /* transient, to re-disappear */
CL_EMERGENCY,
CL_REST_SPACE,
// resource definitions
@ -5397,6 +5398,15 @@ static int check_deleted(void *buf, struct mars_dent *dent)
return 0;
}
/* transient, to re-disappear */
static
int get_compat_deletions(void *buf, struct mars_dent *dent)
{
if (dent && dent->new_link)
sscanf(dent->new_link, "%d", &compat_deletions);
return 0;
}
static
int make_res(void *buf, struct mars_dent *dent)
{
@ -5653,6 +5663,15 @@ static const struct main_class main_classes[] = {
.cl_type = 'l',
.cl_father = CL_ROOT,
},
/* transient, to re-disappear */
[CL_COMPAT_DELETIONS] = {
.cl_name = "compat-deletions",
.cl_len = 16,
.cl_type = 'l',
.cl_hostcontext = false,
.cl_father = CL_ROOT,
.cl_forward = get_compat_deletions,
},
/* Indicate whether filesystem is full
*/
[CL_EMERGENCY] = {

3
kernel/sy_old/strategy.h
View File

@ -31,6 +31,9 @@
#define MARS_ARGV_MAX 4
/* transient, to re-disappear */
extern int compat_deletions;
extern loff_t global_total_space;
extern loff_t global_remaining_space;