Date: Tue, 30 Oct 2012 13:05:51 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r242359 - head/share/man/man9 Message-ID: <201210301305.q9UD5pui095947@svn.freebsd.org>
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Author: trasz Date: Tue Oct 30 13:05:50 2012 New Revision: 242359 URL: http://svn.freebsd.org/changeset/base/242359 Log: Document disk_resize(9). Modified: head/share/man/man9/Makefile head/share/man/man9/disk.9 Modified: head/share/man/man9/Makefile ============================================================================== --- head/share/man/man9/Makefile Tue Oct 30 12:52:41 2012 (r242358) +++ head/share/man/man9/Makefile Tue Oct 30 13:05:50 2012 (r242359) @@ -614,7 +614,8 @@ MLINKS+=devstat.9 devicestat.9 \ MLINKS+=disk.9 disk_alloc.9 \ disk.9 disk_create.9 \ disk.9 disk_destroy.9 \ - disk.9 disk_gone.9 + disk.9 disk_gone.9 \ + disk.9 disk_resize.9 MLINKS+=domain.9 DOMAIN_SET.9 \ domain.9 domain_add.9 \ domain.9 pfctlinput.9 \ Modified: head/share/man/man9/disk.9 ============================================================================== --- head/share/man/man9/disk.9 Tue Oct 30 12:52:41 2012 (r242358) +++ head/share/man/man9/disk.9 Tue Oct 30 13:05:50 2012 (r242359) @@ -27,7 +27,7 @@ .\" .\" $FreeBSD$ .\" -.Dd February 18, 2004 +.Dd October 30, 2012 .Dt DISK 9 .Os .Sh NAME @@ -43,6 +43,8 @@ .Fn disk_gone "struct disk *disk" .Ft void .Fn disk_destroy "struct disk *disk" +.Ft int +.Fn disk_resize "struct disk *disk" "int flags" .Sh DESCRIPTION The disk storage API permits kernel device drivers providing access to disk-like storage devices to advertise the device to other kernel @@ -67,6 +69,13 @@ function, fill in the fields and call .Fn disk_create when the device is ready to service requests. +.Fn disk_resize +can be called by the driver after modifying +.Va d_mediasize +to notify GEOM about the disk capacity change. +The +.Fa flags +field should be set to either M_WAITOK, or M_NOWAIT. .Fn disk_gone orphans all of the providers associated with the drive, setting an error condition of ENXIO in each one.
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