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SuperBlock

arcbox_ext4::types

Struct SuperBlock 

Source 
pub struct SuperBlock {
Show 98 fields
    pub inodes_count: u32,
    pub blocks_count_lo: u32,
    pub r_blocks_count_lo: u32,
    pub free_blocks_count_lo: u32,
    pub free_inodes_count: u32,
    pub first_data_block: u32,
    pub log_block_size: u32,
    pub log_cluster_size: u32,
    pub blocks_per_group: u32,
    pub clusters_per_group: u32,
    pub inodes_per_group: u32,
    pub mtime: u32,
    pub wtime: u32,
    pub mount_count: u16,
    pub max_mount_count: u16,
    pub magic: u16,
    pub state: u16,
    pub errors: u16,
    pub minor_rev_level: u16,
    pub lastcheck: u32,
    pub check_interval: u32,
    pub creator_os: u32,
    pub rev_level: u32,
    pub def_resuid: u16,
    pub def_resgid: u16,
    pub first_ino: u32,
    pub inode_size: u16,
    pub block_group_nr: u16,
    pub feature_compat: u32,
    pub feature_incompat: u32,
    pub feature_ro_compat: u32,
    pub uuid: [u8; 16],
    pub volume_name: [u8; 16],
    pub last_mounted: [u8; 64],
    pub algorithm_usage_bitmap: u32,
    pub prealloc_blocks: u8,
    pub prealloc_dir_blocks: u8,
    pub reserved_gdt_blocks: u16,
    pub journal_uuid: [u8; 16],
    pub journal_inum: u32,
    pub journal_dev: u32,
    pub last_orphan: u32,
    pub hash_seed: [u32; 4],
    pub def_hash_version: u8,
    pub journal_backup_type: u8,
    pub desc_size: u16,
    pub default_mount_opts: u32,
    pub first_meta_bg: u32,
    pub mkfs_time: u32,
    pub journal_blocks: [u32; 17],
    pub blocks_count_hi: u32,
    pub r_blocks_count_hi: u32,
    pub free_blocks_count_hi: u32,
    pub min_extra_isize: u16,
    pub want_extra_isize: u16,
    pub flags: u32,
    pub raid_stride: u16,
    pub mmp_interval: u16,
    pub mmp_block: u64,
    pub raid_stripe_width: u32,
    pub log_groups_per_flex: u8,
    pub checksum_type: u8,
    pub reserved_pad: u16,
    pub kbytes_written: u64,
    pub snapshot_inum: u32,
    pub snapshot_id: u32,
    pub snapshot_r_blocks_count: u64,
    pub snapshot_list: u32,
    pub error_count: u32,
    pub first_error_time: u32,
    pub first_error_ino: u32,
    pub first_error_block: u64,
    pub first_error_func: [u8; 32],
    pub first_error_line: u32,
    pub last_error_time: u32,
    pub last_error_ino: u32,
    pub last_error_line: u32,
    pub last_error_block: u64,
    pub last_error_func: [u8; 32],
    pub mount_opts: [u8; 64],
    pub usr_quota_inum: u32,
    pub grp_quota_inum: u32,
    pub overhead_blocks: u32,
    pub backup_bgs: [u32; 2],
    pub encrypt_algos: [u8; 4],
    pub encrypt_pw_salt: [u8; 16],
    pub lpf_ino: u32,
    pub prj_quota_inum: u32,
    pub checksum_seed: u32,
    pub wtime_hi: u8,
    pub mtime_hi: u8,
    pub mkfs_time_hi: u8,
    pub lastcheck_hi: u8,
    pub first_error_time_hi: u8,
    pub last_error_time_hi: u8,
    pub pad: [u8; 2],
    pub reserved: [u32; 96],
    pub checksum: u32,

}

Fields§

§inodes_count: u32§blocks_count_lo: u32§r_blocks_count_lo: u32§free_blocks_count_lo: u32§free_inodes_count: u32§first_data_block: u32§log_block_size: u32§log_cluster_size: u32§blocks_per_group: u32§clusters_per_group: u32§inodes_per_group: u32§mtime: u32§wtime: u32§mount_count: u16§max_mount_count: u16§magic: u16§state: u16§errors: u16§minor_rev_level: u16§lastcheck: u32§check_interval: u32§creator_os: u32§rev_level: u32§def_resuid: u16§def_resgid: u16§first_ino: u32§inode_size: u16§block_group_nr: u16§feature_compat: u32§feature_incompat: u32§feature_ro_compat: u32§uuid: [u8; 16]§volume_name: [u8; 16]§last_mounted: [u8; 64]§algorithm_usage_bitmap: u32§prealloc_blocks: u8§prealloc_dir_blocks: u8§reserved_gdt_blocks: u16§journal_uuid: [u8; 16]§journal_inum: u32§journal_dev: u32§last_orphan: u32§hash_seed: [u32; 4]§def_hash_version: u8§journal_backup_type: u8§desc_size: u16§default_mount_opts: u32§first_meta_bg: u32§mkfs_time: u32§journal_blocks: [u32; 17]§blocks_count_hi: u32§r_blocks_count_hi: u32§free_blocks_count_hi: u32§min_extra_isize: u16§want_extra_isize: u16§flags: u32§raid_stride: u16§mmp_interval: u16§mmp_block: u64§raid_stripe_width: u32§log_groups_per_flex: u8§checksum_type: u8§reserved_pad: u16§kbytes_written: u64§snapshot_inum: u32§snapshot_id: u32§snapshot_r_blocks_count: u64§snapshot_list: u32§error_count: u32§first_error_time: u32§first_error_ino: u32§first_error_block: u64§first_error_func: [u8; 32]§first_error_line: u32§last_error_time: u32§last_error_ino: u32§last_error_line: u32§last_error_block: u64§last_error_func: [u8; 32]§mount_opts: [u8; 64]§usr_quota_inum: u32§grp_quota_inum: u32§overhead_blocks: u32§backup_bgs: [u32; 2]§encrypt_algos: [u8; 4]§encrypt_pw_salt: [u8; 16]§lpf_ino: u32§prj_quota_inum: u32§checksum_seed: u32§wtime_hi: u8§mtime_hi: u8§mkfs_time_hi: u8§lastcheck_hi: u8§first_error_time_hi: u8§last_error_time_hi: u8§pad: [u8; 2]§reserved: [u32; 96]§checksum: u32

Implementations§

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impl SuperBlock

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pub const SIZE: usize = SUPERBLOCK_SIZE

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pub fn read_from(buf: &[u8]) -> Self

Deserialize a superblock from a 1024-byte buffer.

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pub fn write_to(&self, buf: &mut [u8])

Serialize this superblock into a 1024-byte buffer.

Trait Implementations§

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impl Clone for SuperBlock

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fn clone(&self) -> SuperBlock

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for SuperBlock

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

Formats the value using the given formatter. Read more
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impl Default for SuperBlock

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fn default() -> Self

Returns the “default value” for a type. Read more

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.