memcpy

类型	参数	名称
void *	dest
const void *	src
size_t	len

**调用者**
名称	描述
strlcat	长字符串拼接
ip6_compressed_string
vsnprintf	vsnprintf - Format a string and place it in a buffer@buf: The buffer to place the result into@size: The size of the buffer, including the trailing null space@fmt: The format string to use@args: Arguments for the format string* This function generally
seq_buf_puts	简单字符串序列打印
seq_buf_putmem	seq_buf_putmem - write raw data into the sequenc buffer@s: seq_buf descriptor@mem: The raw memory to copy into the buffer@len: The length of the raw memory to copy (in bytes) There may be cases where raw memory needs to be written into the
fill_kobj_path
unlzo
match_strlcpy	match_strlcpy: - Copy the characters from a substring_t to a sized buffer@dest: where to copy to@src: &substring_t to copy@size: size of destination buffer Description: Copy the characters in &substring_t @src to the* c-style string @dest
sg_copy_buffer	sg_copy_buffer - Copy data between a linear buffer and an SG list@sgl: The SG list@nents: Number of SG entries@buf: Where to copy from@buflen: The number of bytes to copy@skip: Number of bytes to skip before copying@to_buffer: transfer direction
memcpy_from_page
memcpy_to_page
_copy_to_iter
ldt_dup_context	Called on fork from arch_dup_mmap(). Just copy the current LDT state,* the new task is not running, so nothing can be installed.
write_ldt
setup_arch	平台相关启动
__jump_label_set_jump_code
boot_params_data_read
setup_data_data_read
e820__update_table
e820__memory_setup_extended	Because of the small fixed size of struct boot_params, only the first* 128 E820 memory entries are passed to the kernel via boot_params.e820_table,* the remaining (if any) entries are passed via the SETUP_E820_EXT node of
e820__memory_setup	Calls e820__memory_setup_default() in essence to pick up the firmware/bootloader* E820 map - with an optional platform quirk available for virtual platforms* to override this method of boot environment processing:
add_nops	Use this to add nops to a buffer, then text_poke the whole buffer.
apply_alternatives	Replace instructions with better alternatives for this CPU type. This runs* before SMP is initialized to avoid SMP problems with self modifying code.* This implies that asymmetric systems where APs have less capabilities than
text_poke_early	xt_poke_early - Update instructions on a live kernel at boot time@addr: address to modify@opcode: source of the copy@len: length to copy When you use this code to patch more than one byte of an instruction
__text_poke
text_poke_loc_init
arch_dup_task_struct	his gets called so that we can store lazy state into memory and copy the* current task into the new thread.
fpu__copy
xstateregs_get
convert_from_fxsr	FXSR floating point environment conversions.
convert_to_fxsr
fpstate_sanitize_xstate	When executing XSAVEOPT (or other optimized XSAVE instructions), if* a processor implementation detects that an FPU state component is still* (or is again) in its initialized state, it may clear the corresponding* bit in the header
__copy_xstate_to_kernel	This is similar to user_regset_copyout(), but will not add offset to* the source data pointer or increment pos, count, kbuf, and ubuf.
copy_kernel_to_xstate	Convert from a ptrace standard-format kernel buffer to kernel XSAVES format* and copy to the target thread. This is called from xstateregs_set().
microcode_check	The microcode loader calls this upon late microcode load to recheck features,* only when microcode has been updated. Caller holds microcode_mutex and CPU* hotplug lock.
mce_gen_pool_add
apei_write_mce
apei_read_mce
generic_load_microcode
apply_microcode_early_amd	Early load occurs before we can vmalloc()
install_equiv_cpu_table
load_microcode_amd
smp_check_mpc	Read/parse the MPC
update_mp_table
setup_APIC_timer	Setup the local APIC timer for this CPU. Copy the initialized values* of the boot CPU and register the clock event in the framework.
mp_save_irq	Will be called in mpparse/acpi/sfi codes for saving IRQ info
machine_kexec	Do not allocate memory (or fail in any way) in machine_kexec().* We are past the point of no return, committed to rebooting now.
add_e820_entry
setup_cmdline
setup_e820_entries
setup_boot_parameters
bzImage64_load
copy_oldmem_page	py_oldmem_page - copy one page from "oldmem"@pfn: page frame number to be copied@buf: target memory address for the copy; this can be in kernel address* space or user address space (see @userbuf)@csize: number of bytes to copy@offset: offset in bytes
__recover_probed_insn
__recover_optprobed_insn
arch_prepare_optimized_kprobe	Copy replacing target instructions* Target instructions MUST be relocatable (checked inside)* This is called when new aggr(opt)probe is allocated or reused.
arch_optimize_kprobes	Replace breakpoints (int3) with relative jumps.* Caller must call with locking kprobe_mutex and text_mutex.
arch_unoptimize_kprobe	Replace a relative jump with a breakpoint (int3).
dbg_set_reg
dbg_get_reg
save_v86_state
do_sys_vm86
paravirt_patch_insns
jailhouse_init_platform
emulate_umip_insn	mulate_umip_insn() - Emulate UMIP instructions and return dummy values@insn: Instruction structure with operands@umip_inst: A constant indicating the instruction to emulate@data: Buffer into which the dummy result is stored@data_size: Size of the
fixup_umip_exception	xup_umip_exception() - Fixup a general protection fault caused by UMIP@regs: Registers as saved when entering the #GP handler The instructions SGDT, SIDT, STR, SMSW and SLDT cause a general protection* fault if executed with CPL > 0 (i
copy_sighand	复制信号句柄
copy_signal	复制信号
proc_get_long	proc_get_long - reads an ASCII formatted integer from a user buffer@buf: a kernel buffer@size: size of the kernel buffer@val: this is where the number will be stored@neg: set to %TRUE if number is negative*@perm_tr: a vector which contains the allowed
SYSCALL_DEFINE1
SYSCALL_DEFINE1	Old cruft
SYSCALL_DEFINE1
SYSCALL_DEFINE2
SYSCALL_DEFINE2
SYSCALL_DEFINE2	Only setdomainname; getdomainname can be implemented by calling* uname()
prctl_set_auxv
notes_read
prepare_creds	prepare_creds - Prepare a new set of credentials for modification* Prepare a new set of task credentials for modification
get_recent_times
init_triggers
update_triggers
init_header_complete
mark_swapfiles	Saving part
save_image_lzo	save_image_lzo - Save the suspend image data compressed with LZO.@handle: Swap map handle to use for saving the image.@snapshot: Image to read data from.*@nr_to_write: Number of pages to save.
load_image_lzo	load_image_lzo - Load compressed image data and decompress them with LZO.@handle: Swap map handle to use for loading data.@snapshot: Image to copy uncompressed data into.*@nr_to_read: Number of pages to load.
swsusp_check	swsusp_check - Check for swsusp signature in the resume device
log_store	sert record into the buffer, discard old ones, update heads
setup_log_buf	日志缓冲设置
msg_print_text
cont_add
swiotlb_bounce	Bounce: copy the swiotlb buffer from or back to the original dma location
update_fast_timekeeper	pdate_fast_timekeeper - Update the fast and NMI safe monotonic timekeeper.@tkr: Timekeeping readout base from which we take the update We want to use this from any context including NMI and tracing /* instrumenting the timekeeping code itself.
halt_fast_timekeeper	halt_fast_timekeeper - Prevent fast timekeeper from accessing clocksource.@tk: Timekeeper to snapshot. It generally is unsafe to access the clocksource after timekeeping has been* suspended, so take a snapshot of the readout base of @tk and use it as the
timekeeping_update	must hold timekeeper_lock
timekeeping_advance	mekeeping_advance - Updates the timekeeper to the current time and* current NTP tick length
copy_module_elf	Persist Elf information about a module. Copy the Elf header,* section header table, section string table, and symtab section* index from info to mod->klp_info.
move_module
mod_verify_sig	Verify the signature on a module.
append_elf_note
crash_update_vmcoreinfo_safecopy
vmcoreinfo_append_str
kimage_load_normal_segment
kimage_load_crash_segment
crash_prepare_elf64_headers
elf_read_ehdr
compat_sig_setmask	sys_sigprocmask SIG_SETMASK sets the first (compat) word of the* blocked set of signals to the supplied signal set
find_css_set	d_css_set - return a new css_set with one cgroup updated@old_cset: the baseline css_set@cgrp: the cgroup to be updated* Return a new css_set that's equivalent to @old_cset, but with @cgrp* substituted into the appropriate hierarchy.
clone_uts_ns	Clone a new ns copying an original utsname, setting refcount to 1@old_ns: namespace to clone Return ERR_PTR(-ENOMEM) on error (failure to allocate), new ns otherwise
insert_extent	sert_extent - Safely insert a new idmap extent into struct uid_gid_map.* Takes care to allocate a 4K block of memory if the number of mappings exceeds* UID_GID_MAP_MAX_BASE_EXTENTS.
map_write
audit_make_reply
audit_receive_msg
audit_log_n_string	Format a string of no more than slen characters into the audit buffer,* enclosed in quote marks.
audit_unpack_string	Unpack a filter field's string representation from user-space* buffer.
audit_pack_string	Pack a filter field's string representation into data block.
audit_dupe_rule	Duplicate an audit rule. This will be a deep copy with the exception* of the watch - that pointer is carried over. The LSM specific fields* will be updated in the copy. The point is to be able to replace the old
__audit_mq_open	__audit_mq_open - record audit data for a POSIX MQ open@oflag: open flag@mode: mode bits*@attr: queue attributes
__audit_mq_sendrecv	__audit_mq_sendrecv - record audit data for a POSIX MQ timed send/receive@mqdes: MQ descriptor@msg_len: Message length@msg_prio: Message priority@abs_timeout: Message timeout in absolute time
__audit_socketcall	__audit_socketcall - record audit data for sys_socketcall@nargs: number of args, which should not be more than AUDITSC_ARGS.@args: args array
__audit_sockaddr	__audit_sockaddr - record audit data for sys_bind, sys_connect, sys_sendto@len: data length in user space@a: data address in kernel space* Returns 0 for success or NULL context or < 0 on error.
__audit_ptrace
audit_signal_info_syscall	audit_signal_info_syscall - record signal info for syscalls@t: task being signaled If the audit subsystem is being terminated, record the task (pid)* and uid that is doing that.
add_info	Associate a profiling data set with an existing node. Needs to be called* with node_lock held.
gcov_info_dup	gcov_info_dup - duplicate profiling data set@info: profiling data set to duplicate Return newly allocated duplicate on success, %NULL on error.
gcov_info_dup	gcov_info_dup - duplicate profiling data set@info: profiling data set to duplicate Return newly allocated duplicate on success, %NULL on error.
llvm_gcda_start_file
gcov_fn_info_dup
kcov_move_area
copy_kprobe	Keep all fields in the kprobe consistent
kdb_read	kdb_read* This function reads a string of characters, terminated by* a newline, or by reaching the end of the supplied buffer,* from the current kernel debugger console device.* Parameters:* Returns:* Returns a pointer to the buffer containing the received
kdb_defcmd2
kdb_defcmd
kdb_register_flags
kallsyms_symbol_complete	kallsyms_symbol_complete* Parameters:* prefix_name prefix of a symbol name to lookup* max_len maximum length that can be returned* Returns:* Number of symbols which match the given prefix
kdb_getphys	kdb_getphys - Read data from a physical address
proc_do_uts_string	Special case of dostring for the UTS structure. This has locks* to observe. Should this be in kernel/sys.c ????
fill_stats_for_tgid
taskstats_exit	Send pid data out on exit
func_add
account_global_scheduler_latency
__account_scheduler_latency	__account_scheduler_latency - record an occurred latency@tsk - the task struct of the task hitting the latency@usecs - the duration of the latency in microseconds@inter - 1 if the sleep was interruptible, 0 if uninterruptible This function is the main
ring_buffer_write	g_buffer_write - write data to the buffer without reserving*@buffer: The ring buffer to write to
ring_buffer_read_page	g_buffer_read_page - extract a page from the ring buffer@buffer: buffer to extract from@data_page: the page to use allocated from ring_buffer_alloc_read_page@len: amount to extract@cpu: the cpu of the buffer to extract
__trace_puts	__trace_puts - write a constant string into the trace buffer.@ip: The address of the caller@str: The constant string to write*@size: The size of the string.
trace_seq_to_buffer	TODO add a seq_buf_to_buffer()
__ftrace_trace_stack
trace_vbprintk	race_vbprintk - write binary msg to tracing buffer@ip: The address of the caller@fmt: The string format to write to the buffer*@args: Arguments for @fmt
__trace_array_vprintk
tracing_mark_write
tracing_mark_raw_write
__tracing_map_insert
ftrace_syscall_enter
trace_inject_entry
parse_entry	Caller is responsible to free the *pentry.
add_to_key
trace_kprobe_create
traceprobe_parse_probe_arg_body	String length checking wrapper
__uprobe_trace_func
bpf_prog_realloc
bpf_prog_calc_tag
bpf_patch_insn_single
bpf_prog_get_info_by_fd
bpf_map_get_info_by_fd
do_collect
shrink_lruvec
kstrdup	kstrdup - allocate space for and copy an existing string@s: the string to duplicate@gfp: the GFP mask used in the kmalloc() call when allocating memory* Return: newly allocated copy of @s or %NULL in case of error
kstrndup	kstrndup - allocate space for and copy an existing string@s: the string to duplicate@max: read at most @max chars from @s@gfp: the GFP mask used in the kmalloc() call when allocating memory Note: Use kmemdup_nul() instead if the size is known exactly
kmemdup	kmemdup - duplicate region of memory@src: memory region to duplicate@len: memory region length@gfp: GFP mask to use Return: newly allocated copy of @src or %NULL in case of error
kmemdup_nul	kmemdup_nul - Create a NUL-terminated string from unterminated data@s: The data to stringify@len: The size of the data@gfp: the GFP mask used in the kmalloc() call when allocating memory Return: newly allocated copy of @s with NUL-termination or %NULL
__do_krealloc
vread
vwrite
aligned_vread	small helper routine , copy contents to buf from addr.* If the page is not present, fill zero.
aligned_vwrite
memblock_double_array
zswap_frontswap_store	attempts to compress and store an single page
transfer_objects	Transfer objects in one arraycache to another.* Locking must be handled by the caller.* Return the number of entries transferred.
init_list	swap the static kmem_cache_node with kmalloced memory
cache_flusharray
bootstrap	Used for early kmem_cache structures that were allocated using* the page allocator. Allocate them properly then fix up the pointers* that may be pointing to the wrong kmem_cache structure.
proc_ipc_dointvec_minmax
proc_ipc_doulongvec_minmax
proc_ipc_auto_msgmni
proc_mq_dointvec
proc_mq_dointvec_minmax
bio_alloc_map_data
bio_copy_kern_endio_read
bio_copy_kern	_copy_kern - copy kernel address into bio@q: the struct request_queue for the bio@data: pointer to buffer to copy@len: length in bytes@gfp_mask: allocation flags for bio and page allocation@reading: data direction is READ copy the kernel address
blk_mq_realloc_hw_ctxs
blk_mq_realloc_tag_set_tags
add_partition	Must be called either with bd_mutex held, before a disk can be opened or* after all disk users are gone.
read_lba	ad_lba(): Read bytes from disk, starting at given LBA@state@lba@buffer@count* Description: Reads @count bytes from @state->bdev into @buffer.* Returns number of bytes read on success, 0 on error.
ldm_get_vstr	ldm_get_vstr - Read a length-prefixed string into a buffer@block: Pointer to the length marker@buffer: Location to copy string to@buflen: Size of the output buffer Many of the strings in the LDM Database are not NULL terminated. Instead
ldm_parse_vol5	ldm_parse_vol5 - Read a raw VBLK Volume object into a vblk structure@buffer: Block of data being worked on@buflen: Size of the block of data*@vb: In-memory vblk in which to return information
ldm_frag_add	ldm_frag_add - Add a VBLK fragment to a list@data: Raw fragment to be added to the list@size: Size of the raw fragment@frags: Linked list of VBLK fragments Fragmented VBLKs may not be consecutive in the database, so they are placed
find_label
find_vol1_partitions
read_lba	ad_lba(): Read bytes from disk, starting at given LBA@state: disk parsed partitions@lba: the Logical Block Address of the partition table@buffer: destination buffer@count: bytes to read* Description: Reads @count bytes from @state->bdev into @buffer.
__blk_queue_bounce
ioc_refresh_params
ioc_qos_write
ioc_cost_model_write
bio_integrity_clone	_integrity_clone - Callback for cloning bios with integrity metadata@bio: New bio@bio_src: Original bio@gfp_mask: Memory allocation mask Description: Called to allocate a bip when cloning a bio
add_token_bytestring
build_locking_range
build_locking_user
generic_get_table_info	see TCG SAS 5.3.2.3 for a description of the available columns* the result is provided in dev->resp->tok[4]
gen_key
start_auth_opal_session
internal_activate_user
set_new_pw
set_sid_cpin_pin
add_user_to_lr
key_set_index_key	Finalise an index key to include a part of the description actually in the* index key, to set the domain tag and to calculate the hash.
user_preparse	Preparse a user defined key payload
compat_keyctl_dh_compute	Perform the DH computation or DH based key derivation.* If successful, 0 will be returned.
proc_keys_show
big_key_preparse	Preparse a big key
osap	Create an object specific authorisation protocol (OSAP) session
oiap	Create an object independent authorisation protocol (oiap) session
tpm_seal	Have the TPM seal(encrypt) the trusted key, possibly based on* Platform Configuration Registers (PCRs). AUTH1 for sealing key.
tpm_unseal	se the AUTH2_COMMAND form of unseal, to authorize both key and blob
trusted_instantiate	rusted_instantiate - create a new trusted key* Unseal an existing trusted blob or, for a new key, get a* random key, then seal and create a trusted key-type key,* adding it to the specified keyring.* On success, return 0. Otherwise return errno.
trusted_update	rusted_update - reseal an existing key with new PCR values
tpm2_seal_trusted	pm2_seal_trusted() - seal the payload of a trusted key@chip: TPM chip to use@payload: the key data in clear and encrypted form@options: authentication values and other options Return: < 0 on error and 0 on success.
tpm2_unseal_cmd	pm2_unseal_cmd() - execute a TPM2_Unload command@chip: TPM chip to use@payload: the key data in clear and encrypted form@options: authentication values and other options@blob_handle: blob handle* Return: 0 on success* -EPERM on tpm error status* < 0
get_derived_key	Derive authentication/encryption key from trusted key
derived_key_encrypt	Before returning data to userspace, encrypt decrypted data.
derived_key_decrypt
__ekey_init
encrypted_instantiate	rypted_instantiate - instantiate an encrypted key* Decrypt an existing encrypted datablob or create a new encrypted key* based on a kernel random number.* On success, return 0. Otherwise return errno.
encrypted_update	rypted_update - update the master key description* Change the master key description for an existing encrypted key.* The next read will return an encrypted datablob using the new* master key description.* On success, return 0. Otherwise return errno.
cap_inode_getsecurity	getsecurity: We are called for security
cap_convert_nscap	User requested a write of security.capability. If needed, update the* xattr to change from v2 to v3, or to fixup the v3 rootid.* If all is ok, we return the new size, on error return < 0.
avc_copy_xperms_decision
avc_xperms_populate
avc_node_populate
avc_has_extended_perms	The avc extended permissions logic adds an additional 256 bits of* permissions to an avc node when extended permissions for that node are* specified in the avtab
avc_has_perm_noaudit	avc_has_perm_noaudit - Check permissions but perform no auditing
selinux_inode_listsecurity
sel_write_context
sel_write_create
sel_write_relabel
sel_write_user
sel_write_member
selinux_xfrm_alloc_user	Allocates a xfrm_sec_state and populates it using the supplied security* xfrm_user_sec_ctx context.
selinux_xfrm_state_alloc_acquire	LSM hook implementation that allocates a xfrm_sec_state and populates based* on a secid.
smack_inode_listsecurity	smack_inode_listsecurity - list the Smack attributes@inode: the object@buffer: where they go*@buffer_size: size of buffer
dump_common_audit_data	dump_common_audit_data - helper to dump common audit data*@a : common audit data
tomoyo_assign_domain	moyo_assign_domain - Create a domain or a namespace.@domainname: The name of domain.@transit: True if transit to domain found or created.* Returns pointer to "struct tomoyo_domain_info" on success, NULL otherwise.* Caller holds tomoyo_read_lock().
tomoyo_dump_page	moyo_dump_page - Dump a page to buffer.@bprm: Pointer to "struct linux_binprm".@pos: Location to dump.@dump: Poiner to "struct tomoyo_page_dump". Returns true on success, false otherwise.
query_data	query_data - queries a policy and writes its data to buf@buf: the resulting data is stored here (NOT NULL)@buf_len: size of buf@query: query string used to retrieve data@query_len: size of query including second NUL byte
deflate_decompress
prepend	modified from dcache.c
kvmemdup
deflate_compress
apparmor_setprocattr
param_set_aaintbool
param_get_aaintbool
parse_efi_signature_list	parse_efi_signature_list - Parse an EFI signature list for certificates@source: The source of the key@data: The data blob to parse@size: The size of the data blob@get_handler_for_guid: Get the handler func for the sig type (or NULL)
uefi_blacklist_hash	Blacklist a hash.
ima_pcr_extend	Return the amount of memory required for serializing the* entire binary_runtime_measurement list, including the ima_kexec_hdr* structure.
ima_add_template_entry	Add template entry to the measurement list and hash table, and* extend the pcr.* On systems which support carrying the IMA measurement list across* kexec, maintain the total memory size required for serializing the* binary_runtime_measurements.
ima_calc_field_array_hash_tfm	Calculate the hash of template data
ima_store_template	ma_store_template - store ima template measurements* Calculate the hash of a template entry, add the template entry* to an ordered list of measurement entries maintained inside the kernel,* and also update the aggregate integrity value (maintained inside
ima_collect_measurement	ma_collect_measurement - collect file measurement* Calculate the file hash, if it doesn't already exist,* storing the measurement and i_version in the iint.* Must be called with iint->mutex held.* Return 0 on success, error code otherwise
ima_lsm_copy_rule
template_desc_init_fields
ima_restore_template_data
ima_restore_measurement_list	Restore the serialized binary measurement list without extending PCRs.
ima_write_template_field_data
ima_eventdigest_init_common
ima_read_modsig	ma_read_modsig - Read modsig from buf.* Return: 0 on success, error code otherwise.
evm_set_key	vm_set_key() - set EVM HMAC key from the kernel@key: pointer to a buffer with the key data@size: length of the key data* This function allows setting the EVM HMAC key from the kernel* without using the "encrypted" key subsystem keys
pipe_set_size	Allocate a new array of pipe buffers and copy the info over. Returns the* pipe size if successful, or return -ERROR on error.
getname_kernel
__nd_alloc_stack
__page_symlink	The nofs argument instructs pagecache_write_begin to pass AOP_FLAG_NOFS
take_dentry_name_snapshot
__d_alloc	__d_alloc - allocate a dcache entry@sb: filesystem it will belong to@name: qstr of the name* Allocates a dentry. It returns %NULL if there is insufficient memory* available. On a success the dentry is returned. The name passed in is
swap_names
copy_name
copy_fd_bitmaps	Copy 'count' fd bits from the old table to the new table and clear the extra* space if any. This does not copy the file pointers. Called with the files* spinlock held for write.
copy_fdtable	Copy all file descriptors from the old table to the new, expanded table and* clear the extra space. Called with the files spinlock held for write.
seq_puts
seq_write	seq_write - write arbitrary data to buffer@seq: seq_file identifying the buffer to which data should be written@data: data address@len: number of bytes Return 0 on success, non-zero otherwise.
xattr_getsecurity
generic_listxattr	Combine the results of the list() operation from every xattr_handler in the* list.
simple_xattr_alloc	Allocate new xattr and copy in the value; but leave the name to callers.
simple_xattr_get	xattr GET operation for in-memory/pseudo filesystems
xattr_list_one
memory_read_from_buffer	memory_read_from_buffer - copy data from the buffer@to: the kernel space buffer to read to@count: the maximum number of bytes to read@ppos: the current position in the buffer@from: the buffer to read from@available: the size of the buffer The
prepend
dynamic_dname	Helper function for dentry_operations.d_dname() members
do_statfs_native
do_statfs64
legacy_parse_param	Add a parameter to a legacy config. We build up a comma-separated list of* options.
copy_fid_to_user
ioctx_add_table
io_req_map_rw
io_sendmsg
io_recvmsg
io_connect
fscrypt_generate_iv
fname_encrypt	ame_encrypt() - encrypt a filename* The output buffer must be at least as large as the input buffer.* Any extra space is filled with NUL padding before encryption.* Return: 0 on success, -errno on failure
fscrypt_fname_disk_to_usr	scrypt_fname_disk_to_usr() - converts a filename from disk space to user* space* The caller must have allocated sufficient memory for the @oname string.* If the key is available, we'll decrypt the disk name; otherwise, we'll encode* it for presentation
fscrypt_hkdf_expand	HKDF-Expand (RFC 5869 section 2
move_master_key_secret
fscrypt_verify_key_added	Verify that the current user has added a master key with the given identifier* (returns -ENOKEY if not)
setup_per_mode_key
setup_file_encryption_key	Find the master key, then set up the inode's actual encryption key.* If the master key is found in the filesystem-level keyring, then the* corresponding 'struct key' is returned in master_key_ret with ->mk_secret_sem read-locked
fscrypt_get_encryption_info
find_or_insert_direct_key	Find/insert the given key into the fscrypt_direct_keys table. If found, it* is returned with elevated refcount, and 'to_insert' is freed if non-NULL. If* not found, 'to_insert' is inserted and returned if it's non-NULL; otherwise* NULL is returned.
fscrypt_get_direct_key	Prepare to encrypt directly using the master key in the given mode
fscrypt_new_context_from_policy
fscrypt_policy_from_context
build_merkle_tree	Build the Merkle tree for the given inode using the given parameters, and* return the root hash in @root_hash.* The tree is written to a filesystem-specific location as determined by the* ->write_merkle_tree_block() method
fsverity_prepare_hash_state	sverity_prepare_hash_state() - precompute the initial hash state@alg: hash algorithm@salt: a salt which is to be prepended to all data to be hashed@salt_size: salt size in bytes, possibly 0 Return: NULL if the salt is empty, otherwise the kmalloc()'ed
fsverity_create_info	Validate the given fsverity_descriptor and create a new fsverity_info from* it. The signature (if present) is also checked.
extract_hash	Extract a hash from a hash page
fsverity_verify_signature	sverity_verify_signature() - check a verity file's signature* If the file's fs-verity descriptor includes a signature of the file* measurement, verify it against the certificates in the fs-verity keyring
iomap_read_inline_data
iomap_write_end_inline
iomap_swapfile_activate_actor	Accumulate iomaps for this swap file. We have to accumulate iomaps because* swap only cares about contiguous page-aligned physical extents and makes no* distinction between written and unwritten extents.
print_shadow_for_address
__mem_cgroup_usage_register_event
__zs_map_object
__zs_unmap_object
zs_object_copy
zs_pool_stats
compact_single_buddy
z3fold_page_migrate
copy_from_early_mem
tpm_buf_append
xfrm_flowi_addr_get
xfrm_mark_get
fscrypt_new_context_from_policy	scrypt_new_context_from_policy - create a new fscrypt_context from a policy* Create an fscrypt_context for an inode that is being assigned the given* encryption policy. A new nonce is randomly generated.* Return: the size of the new context in bytes.
fscrypt_policy_from_context	scrypt_policy_from_context - convert an fscrypt_context to an fscrypt_policy* Given an fscrypt_context, build the corresponding fscrypt_policy.* Return: 0 on success, or -EINVAL if the fscrypt_context has an unrecognized* version number or size.

函数逻辑报告