函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\partition-generic.c Create Date:2022-07-27 18:55:47
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:disk_name() is used by partition check code and the genhd driver.* It formats the devicename of the indicated disk into* the supplied buffer (of size at least 32), and returns* a pointer to that same buffer (for convenience).

函数原型:char *disk_name(struct gendisk *hd, int partno, char *buf)

返回类型:char

参数:

类型参数名称
struct gendisk *hd
intpartno
char *buf
37  如果非partnosnprintf - 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*@
39  否则如果isdigit( name of major driver [strlen( name of major driver ) - 1])则snprintf - 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*@
41  否则snprintf - 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*@
44  返回:buf
调用者
名称描述
printk_all_partitionsprint a full list of all partitions - intended for places where the root* filesystem can't be mounted and thus to give the victim some idea of what* went wrong
show_partition
diskstats_showaggregate disk stat collector. Uses the same stats that the sysfs* entries do, above, but makes them available through one seq_file.* The output looks suspiciously like /proc/partitions with a bunch of* extra fields.
bdevname
bio_devname
check_partition