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CE add rm command, implement remove () syscall
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Kamil Kowalczyk
2026-03-05 01:17:13 +01:00
parent 35d5bed433
commit a5f5dbf21f
12 changed files with 106 additions and 7 deletions
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21
kernel/fs/vfs.c
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@@ -62,6 +62,7 @@ int vfs_create_volume (const char* key, int fs_type, struct device* back_device,
volume->driver_ops.read_dir_entry = &tarfs_read_dir_entry;
volume->driver_ops.create_file = &tarfs_create_file;
volume->driver_ops.create_dir = &tarfs_create_dir;
volume->driver_ops.remove = &tarfs_remove;
break;
case VFS_FAT16:
volume->driver_ops.mount = &fatfs_mount;
@@ -72,6 +73,7 @@ int vfs_create_volume (const char* key, int fs_type, struct device* back_device,
volume->driver_ops.read_dir_entry = &fatfs_read_dir_entry;
volume->driver_ops.create_file = &fatfs_create_file;
volume->driver_ops.create_dir = &fatfs_create_dir;
volume->driver_ops.remove = &fatfs_remove;
break;
case VFS_FAT32:
volume->driver_ops.mount = &fatfs_mount;
@@ -82,6 +84,7 @@ int vfs_create_volume (const char* key, int fs_type, struct device* back_device,
volume->driver_ops.read_dir_entry = &fatfs_read_dir_entry;
volume->driver_ops.create_file = &fatfs_create_file;
volume->driver_ops.create_dir = &fatfs_create_dir;
volume->driver_ops.remove = &fatfs_remove;
break;
default:
free (volume);
@@ -300,6 +303,24 @@ int vfs_create_dir (struct proc* proc, const char* volume_name, const char* path
return volume->driver_ops.create_dir (volume, path);
}
int vfs_remove (struct proc* proc, const char* volume_name, const char* path) {
struct vfs_volume* volume = vfs_find_volume (volume_name);
if (volume == NULL)
return -ST_NOT_FOUND;
spin_lock (&volume->lock);
if (volume->locked && volume->owner != proc) {
spin_unlock (&volume->lock);
return -ST_PERMISSION_ERROR;
}
spin_unlock (&volume->lock);
return volume->driver_ops.remove (volume, path);
}
void vfs_init (void) {
memset (&volume_table, 0, sizeof (volume_table));