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Kernel: Added unmount ability to VFS

It is now possible to unmount file systems from the VFS via `umount`.
It works via looking up the `fsid` of the filesystem from the `Inode`'s
metatdata so I'm not sure how fragile it is. It seems to work for now
though as something to get us going.
This commit is contained in:
Jesse Buhagiar 2019-08-11 23:56:39 +10:00 committed by Andreas Kling
parent f7251c74a9
commit bc22456f89
13 changed files with 98 additions and 3 deletions

22
Userland/umount.cpp Normal file
View file

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#include <LibCore/CArgsParser.h>
#include <stdio.h>
#include <unistd.h>
int main(int argc, char** argv)
{
CArgsParser args_parser("umount");
args_parser.add_arg("mountpoint", "mount point");
CArgsParserResult args = args_parser.parse(argc, argv);
if (argc == 2) {
if (umount(argv[1]) < 0) {
perror("umount");
return 1;
}
} else {
args_parser.print_usage();
return 0;
}
return 0;
}