uint my_set_max_open_files(uint files)
{
struct st_my_file_info *tmp;
DBUG_ENTER("my_set_max_open_files");
DBUG_PRINT("enter",("files: %u my_file_limit: %u", files, my_file_limit));
files= set_max_open_files(min(files, OS_FILE_LIMIT));
if (files <= MY_NFILE)
DBUG_RETURN(files);
if (!(tmp= (struct st_my_file_info*) my_malloc(sizeof(*tmp) * files,
MYF(MY_WME))))
DBUG_RETURN(MY_NFILE);
/* Copy any initialized files */
memcpy((char*) tmp, (char*) my_file_info,
sizeof(*tmp) * min(my_file_limit, files));
bzero((char*) (tmp + my_file_limit),
max((int) (files- my_file_limit), 0)*sizeof(*tmp));
my_free_open_file_info(); /* Free if already allocated */
my_file_info= tmp;
my_file_limit= files;
DBUG_PRINT("exit",("files: %u", files));
DBUG_RETURN(files);
}
int unionfs_opt_proc(void *data, const char *arg, int key, struct fuse_args *outargs) {
(void)data;
int res = 0; // for general purposes
switch (key) {
case FUSE_OPT_KEY_NONOPT:
res = parse_branches(arg);
if (res > 0) return 0;
uopt.retval = 1;
return 1;
case KEY_DIRS:
// skip the "dirs="
res = parse_branches(arg+5);
if (res > 0) return 0;
uopt.retval = 1;
return 1;
case KEY_CHROOT:
uopt.chroot = get_opt_str(arg, "chroot");
return 0;
case KEY_COW:
uopt.cow_enabled = true;
return 0;
case KEY_DEBUG_FILE:
uopt.dbgpath = get_opt_str(arg, "debug_file");
uopt.debug = true;
return 0;
case KEY_HELP:
print_help(outargs->argv[0]);
fuse_opt_add_arg(outargs, "-ho");
uopt.doexit = 1;
return 0;
case KEY_HIDE_META_FILES:
case KEY_HIDE_METADIR:
uopt.hide_meta_files = true;
return 0;
case KEY_MAX_FILES:
set_max_open_files(arg);
return 0;
case KEY_NOINITGROUPS:
// option only for compatibility with older versions
return 0;
case KEY_STATFS_OMIT_RO:
uopt.statfs_omit_ro = true;
return 0;
case KEY_RELAXED_PERMISSIONS:
uopt.relaxed_permissions = true;
return 0;
case KEY_VERSION:
printf("unionfs-fuse version: "VERSION"\n");
#ifdef HAVE_XATTR
printf("(compiled with xattr support)\n");
#endif
uopt.doexit = 1;
return 1;
default:
uopt.retval = 1;
return 1;
}
}
int unionfs_opt_proc(void *data, const char *arg, int key, struct fuse_args *outargs) {
(void)data;
int res = 0; // for general purposes
switch (key) {
case FUSE_OPT_KEY_NONOPT:
res = parse_branches(arg);
if (res > 0) return 0;
uopt.retval = 1;
return 1;
case KEY_STATS:
uopt.stats_enabled = 1;
return 0;
case KEY_COW:
uopt.cow_enabled = true;
return 0;
case KEY_STATFS_OMIT_RO:
uopt.statfs_omit_ro = true;
return 0;
case KEY_NOINITGROUPS:
// option only for compatibility with older versions
return 0;
case KEY_CHROOT:
uopt.chroot = get_chroot(arg);
return 0;
case KEY_MAX_FILES:
set_max_open_files(arg);
return 0;
case KEY_HELP:
print_help(outargs->argv[0]);
fuse_opt_add_arg(outargs, "-ho");
uopt.doexit = 1;
return 0;
case KEY_VERSION:
printf("unionfs-fuse version: "VERSION"\n");
uopt.doexit = 1;
return 1;
default:
uopt.retval = 1;
return 1;
}
}
