memchr

函数名称：memchr_inv - Find an unmatching character in an area of memory.*@start: The memory area*@c: Find a character other than c*@bytes: The size of the area.* returns the address of the first character other than @c, or %NULL

函数原型：void *memchr_inv(const void *start, int c, size_t bytes)

返回类型：void

参数：

类型	参数	名称
const void *	start
int	c
size_t	bytes

**调用者**
名称	描述
is_zeroed
do_test
do_remove_key	Try to remove an fscrypt master encryption key
fscrypt_ioctl_get_key_status	Retrieve the status of an fscrypt master encryption key
fscrypt_supported_policy
fsverity_ioctl_enable	sverity_ioctl_enable() - enable verity on a file* Enable fs-verity on a file. See the "FS_IOC_ENABLE_VERITY" section of* Documentation/filesystems/fsverity.rst for the documentation.* Return: 0 on success, -errno on failure
fsverity_create_info	Validate the given fsverity_descriptor and create a new fsverity_info from* it. The signature (if present) is also checked.
validate_xstate_header	Validate an xstate header supplied by userspace (ptrace or sigreturn)
ib_is_buffer_cleared
check_poison_mem
__keyctl_dh_compute
fscrypt_ioctl_add_key	Add a master encryption key to the filesystem, causing all files which were* encrypted with it to appear "unlocked" (decrypted) when accessed.* When adding a key for use by v1 encryption policies, this ioctl is
fscrypt_supported_policy	scrypt_supported_policy - check whether an encryption policy is supported* Given an encryption policy, check whether all its encryption modes and other* settings are supported by this kernel

函数逻辑报告