'\" t
.\"     Title: blkdev_issue_discard
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Block Devices
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "BLKDEV_ISSUE_DISCARD" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Block Devices"
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.SH "NAME"
blkdev_issue_discard \- queue a discard
.SH "SYNOPSIS"
.HP \w'int\ blkdev_issue_discard('u
.BI "int blkdev_issue_discard(struct\ block_device\ *\ " "bdev" ", sector_t\ " "sector" ", sector_t\ " "nr_sects" ", gfp_t\ " "gfp_mask" ", unsigned\ long\ " "flags" ");"
.SH "ARGUMENTS"
.PP
\fIbdev\fR
.RS 4
blockdev to issue discard for
.RE
.PP
\fIsector\fR
.RS 4
start sector
.RE
.PP
\fInr_sects\fR
.RS 4
number of sectors to discard
.RE
.PP
\fIgfp_mask\fR
.RS 4
memory allocation flags (for bio_alloc)
.RE
.PP
\fIflags\fR
.RS 4
BLKDEV_IFL_* flags to control behaviour
.RE
.SH "DESCRIPTION"
.PP
Issue a discard request for the sectors in question\&.
.SH "COPYRIGHT"
.br