函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\blkdev.h Create Date:2022-07-27 06:47:13
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：bdev_io_opt

函数原型：static inline int bdev_io_opt(struct block_device *bdev)

返回类型：int

参数：

类型参数名称
struct block_device *bdev
1336  返回:queue_io_opt(bdev_get_queue(bdev))
调用者
名称描述
blkdev_ioctlalways keep this in sync with compat_blkdev_ioctl()
compat_blkdev_ioctlMost of the generic ioctls are handled in the normal fallback path.This assumes the blkdev's low level compat_ioctl always returnsENOIOCTLCMD for unknown ioctls.