Struct ext4_buf

#[repr(C)]
pub struct ext4_buf {

    pub flags: c_int,
    pub lba: u64,
    pub data: *mut u8,
    pub lru_prio: u32,
    pub lru_id: u32,
    pub refctr: u32,
    pub bc: *mut ext4_bcache,
    pub on_dirty_list: bool,
    pub lba_node: ext4_buf__bindgen_ty_1,
    pub lru_node: ext4_buf__bindgen_ty_2,
    pub dirty_node: ext4_buf__bindgen_ty_3,
    pub end_write: Option<unsafe extern "C" fn(bc: *mut ext4_bcache, buf: *mut ext4_buf, res: c_int, arg: *mut c_void)>,
    pub end_write_arg: *mut c_void,
}

@brief Single block descriptor

Fields

flags: c_int

@brief Flags

lba: u64

@brief Logical block address

data: *mut u8

@brief Data buffer.

lru_prio: u32

@brief LRU priority. (unused)

lru_id: u32

@brief LRU id.

refctr: u32

@brief Reference count table

bc: *mut ext4_bcache

@brief The block cache this buffer belongs to.

on_dirty_list: bool

@brief Whether or not buffer is on dirty list.

lba_node: ext4_buf__bindgen_ty_1

@brief LBA tree node

lru_node: ext4_buf__bindgen_ty_2

@brief LRU tree node

dirty_node: ext4_buf__bindgen_ty_3

@brief Dirty list node

end_write: Option<unsafe extern "C" fn(bc: *mut ext4_bcache, buf: *mut ext4_buf, res: c_int, arg: *mut c_void)>

@brief Callback routine after a disk-write operation. @param bc block cache descriptor @param buf buffer descriptor @param standard error code returned by bdev->bwrite() @param arg argument passed to this routine

end_write_arg: *mut c_void

@brief argument passed to end_write() callback.

Trait Implementations

impl Clone for ext4_buf

fn clone(&self) -> ext4_buf

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ext4_buf

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for ext4_buf