'\" t
.\"     Title: bdev_stack_limits
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: June 2017
.\"    Manual: Block Devices
.\"    Source: Kernel Hackers Manual 4.11.3
.\"  Language: English
.\"
.TH "BDEV_STACK_LIMITS" "9" "June 2017" "Kernel Hackers Manual 4\&.11\&" "Block Devices"
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.SH "NAME"
bdev_stack_limits \- adjust queue limits for stacked drivers
.SH "SYNOPSIS"
.HP \w'int\ bdev_stack_limits('u
.BI "int bdev_stack_limits(struct\ queue_limits\ *\ " "t" ", struct\ block_device\ *\ " "bdev" ", sector_t\ " "start" ");"
.SH "ARGUMENTS"
.PP
\fIstruct queue_limits * t\fR
.RS 4
the stacking driver limits (top device)
.RE
.PP
\fIstruct block_device * bdev\fR
.RS 4
the component block_device (bottom)
.RE
.PP
\fIsector_t start\fR
.RS 4
first data sector within component device
.RE
.SH "DESCRIPTION"
.PP
Merges queue limits for a top device and a block_device\&. Returns 0 if alignment didn\*(Aqt change\&. Returns \-1 if adding the bottom device caused misalignment\&.
.SH "COPYRIGHT"
.br