Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\ioctl.c Create Date:2022-07-28 17:16:27
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:Is it an unrecognized ioctl? The correct returns are either* ENOTTY (final) or ENOIOCTLCMD ("I don't know this one, try a* fallback"). ENOIOCTLCMD gets turned into ENOTTY by the ioctl* code before returning.

Proto:static inline int is_unrecognized_ioctl(int ret)

Type:int

Parameter:

TypeParameterName
intret
393  Return ret == -EINVAL || ret == -ENOTTY || ret == -No ioctl command
Caller
NameDescribe
blkdev_flushbuf
blkdev_roset