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ns-ntifs-_fsctl_offload_read_input.md

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UID title description tech.root ms.date keywords ms.keywords req.header req.include-header req.target-type req.target-min-winverclnt req.target-min-winversvr req.kmdf-ver req.umdf-ver req.ddi-compliance req.unicode-ansi req.idl req.max-support req.namespace req.assembly req.type-library req.lib req.dll req.irql targetos req.typenames f1_keywords topic_type api_type api_location api_name
NS:ntifs._FSCTL_OFFLOAD_READ_INPUT
FSCTL_OFFLOAD_READ_INPUT (ntifs.h)
Learn more about the FSCTL_OFFLOAD_READ_INPUT structure.
ifsk
05/24/2022
FSCTL_OFFLOAD_READ_INPUT structure
*PFSCTL_OFFLOAD_READ_INPUT, FSCTL_OFFLOAD_READ_INPUT, FSCTL_OFFLOAD_READ_INPUT structure [Installable File System Drivers], PFSCTL_OFFLOAD_READ_INPUT, PFSCTL_OFFLOAD_READ_INPUT structure pointer [Installable File System Drivers], _FSCTL_OFFLOAD_READ_INPUT, ifsk.fsctl_offload_read_input, ntifs/FSCTL_OFFLOAD_READ_INPUT, ntifs/PFSCTL_OFFLOAD_READ_INPUT
ntifs.h
Ntifs.h, Fltkernel.h
Windows
Windows 8
Windows
FSCTL_OFFLOAD_READ_INPUT, *PFSCTL_OFFLOAD_READ_INPUT
_FSCTL_OFFLOAD_READ_INPUT
ntifs/_FSCTL_OFFLOAD_READ_INPUT
PFSCTL_OFFLOAD_READ_INPUT
ntifs/PFSCTL_OFFLOAD_READ_INPUT
FSCTL_OFFLOAD_READ_INPUT
ntifs/FSCTL_OFFLOAD_READ_INPUT
APIRef
kbSyntax
HeaderDef
ntifs.h
_FSCTL_OFFLOAD_READ_INPUT
PFSCTL_OFFLOAD_READ_INPUT
FSCTL_OFFLOAD_READ_INPUT

FSCTL_OFFLOAD_READ_INPUT structure

-description

The FSCTL_OFFLOAD_READ_INPUT structure contains the input for the FSCTL_OFFLOAD_READ control code request.

-struct-fields

-field Size

The size in bytes of this structure. Set this member to sizeof(FSCTL_OFFLOAD_READ_INPUT).

-field Flags

This member is not used. Set to 0.

-field TokenTimeToLive

The time, in milliseconds, for which the read operation remains valid. The default time-to-live is 0. The recommended value for time-to-live is also 0.

-field Reserved

Reserved.

-field FileOffset

The position in the file to start reading from. The offset value must be aligned to a logical sector boundary on the volume.

-field CopyLength

The length, in bytes, of data to read, starting at FileOffset. The length value must align to a logical sector boundary on the volume, except when the length matches end-of-file.

-remarks

The storage device's copy provider retains the data read for the duration in TokenTimeToLive. Multiple writes with the same token can be performed until the time in TokenTimeToLive expires.

-see-also

FSCTL_OFFLOAD_READ

FSCTL_OFFLOAD_READ_OUTPUT