fs/bcachefs/bcachefs_ioctl.h

27  * filesystem:
32  * For BCH_IOCTL_READ_SUPER: get superblock of a specific device, not filesystem
58 /* filesystem ioctls: */
89 /* ioctl below act on a particular file, not the filesystem as a whole: */
94  * BCH_IOCTL_QUERY_UUID: get filesystem UUID
97  * the filesystem's sysfs directory may be found under /sys/fs/bcachefs with
112  * BCH_IOCTL_DISK_ADD: add a new device to an existing filesystem
115  * will be an online member of the filesystem just like any other member.
120  * not claim to be a member of any existing filesystem - UUIDs on it will be
125  * BCH_IOCTL_DISK_REMOVE: permanently remove a member device from a filesystem
128  * removed from its slot in the filesystem's list of member devices. The device
137  * BCH_IOCTL_DISK_ONLINE: given a disk that is already a member of a filesystem
141  * exactly as if @dev was present when the filesystem was first mounted
146  * block device, without removing it from the filesystem (so it can be brought
165  * BCH_IOCTL_DISK_SET_STATE: modify state of a member device of a filesystem
196  * BCH_IOCTL_DATA: operations that walk and manipulate filesystem data (e.g.
261  * BCH_IOCTL_FS_USAGE: query filesystem disk space usage
323  * BCH_IOCTL_READ_SUPER: read filesystem superblock
345  * BCH_IOCTL_DISK_GET_IDX: give a path to a block device, query filesystem to
355  * BCH_IOCTL_DISK_RESIZE: resize filesystem on a device