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sync: temporary thing for testing; not a proper sync

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This commit is contained in:
K. Lange 2021-11-14 16:04:54 +09:00
parent ea2a4a2faf
commit 8994db92f3
3 changed files with 24 additions and 1 deletions
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9
apps/sync.c Normal file
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@ -0,0 +1,9 @@
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
int main(int argc, char * argv[]) {
int fd = open(".",O_RDONLY|O_DIRECTORY);
return ioctl(fd, IOCTLSYNC, NULL);
}

2
base/usr/include/sys/ioctl.h
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@ -10,6 +10,8 @@
#define IOCTLTTYNAME 0x4F01
#define IOCTLTTYLOGIN 0x4F02
#define IOCTLSYNC 0x4F03
#define IOCTL_PACKETFS_QUEUED 0x5050

14
modules/ext2.c
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@ -16,6 +16,8 @@
#include <kernel/tokenize.h>
#include <kernel/module.h>
#include <sys/ioctl.h>
#define debug_print(lvl, str, ...) do { if (this->flags & EXT2_FLAG_LOUD) { printf("ext2: %s: " str "\n", #lvl __VA_OPT__(,) __VA_ARGS__); } } while (0)
#define EXT2_SUPER_MAGIC 0xEF53
@ -1559,7 +1561,17 @@ static ssize_t readlink_ext2(fs_node_t * node, char * buf, size_t size) {
return read_size;
}
static int ioctl_ext2(fs_node_t * node, unsigned long request, void * argp) {
ext2_fs_t * this = (ext2_fs_t *)node->device;
switch (request) {
case IOCTLSYNC:
return ext2_sync(this);
default:
return -EINVAL;
}
}
static int node_from_file(ext2_fs_t * this, ext2_inodetable_t *inode, ext2_dir_t *direntry, fs_node_t *fnode) {
if (!fnode) {
@ -1629,7 +1641,7 @@ static int node_from_file(ext2_fs_t * this, ext2_inodetable_t *inode, ext2_dir_t
fnode->chmod = chmod_ext2;
fnode->open = open_ext2;
fnode->close = close_ext2;
fnode->ioctl = NULL;
fnode->ioctl = ioctl_ext2;
return 1;
}