From: Kay Sievers Date: Sun, 9 Mar 2008 20:26:02 +0000 (+0100) Subject: block: send disk "change" event for rescan_partitions() X-Git-Tag: v2.6.26-rc1~1126^2~18 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6bcf19d02a5d7e627fa054f2f10e0a8d830df326;p=linux-2.6 block: send disk "change" event for rescan_partitions() Userspace likes to get notified that the disk may have changed, when rescan_partitions() is called after partitioning or media change. It will make it possible to update the state of the disk with the "change" event, before the following partition "add" events are handled. Cc: David Zeuthen Signed-off-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 03f808c5b7..6149e4b58c 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -473,6 +473,10 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) return 0; if (IS_ERR(state)) /* I/O error reading the partition table */ return -EIO; + + /* tell userspace that the media / partition table may have changed */ + kobject_uevent(&disk->dev.kobj, KOBJ_CHANGE); + for (p = 1; p < state->limit; p++) { sector_t size = state->parts[p].size; sector_t from = state->parts[p].from;