From: Borislav Petkov <petkovbb@gmail.com>
Date: Sun, 2 Nov 2008 20:40:10 +0000 (+0100)
Subject: ide-gd: re-get capacity on revalidate
X-Git-Tag: v2.6.28-rc3~1^2
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?p=linux-2.6-omap-h63xx.git;a=commitdiff_plain;h=52ebb438e952c674e5a5c131292589db9bcf169b

ide-gd: re-get capacity on revalidate

We need to re-get a removable media's capacity when revalidating the
disk so that its partitions get rescanned by the block layer.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: axboe@kernel.dk
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---

diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index 7b666285437..b8078b3231f 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -281,7 +281,12 @@ static int ide_gd_media_changed(struct gendisk *disk)
 static int ide_gd_revalidate_disk(struct gendisk *disk)
 {
 	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
-	set_capacity(disk, ide_gd_capacity(idkp->drive));
+	ide_drive_t *drive = idkp->drive;
+
+	if (ide_gd_media_changed(disk))
+		drive->disk_ops->get_capacity(drive);
+
+	set_capacity(disk, ide_gd_capacity(drive));
 	return 0;
 }