diff options
| author | Tejun Heo <tj@kernel.org> | 2011-04-21 21:32:55 +0200 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2011-04-21 21:33:05 +0200 |
| commit | 9fd097b14918875bd6f125ed699d7bbbba5893ee (patch) | |
| tree | a7d58268cbcfaeeddc7fdf75bf0742dc63434a46 /drivers/cdrom | |
| parent | 91e8549bde9e5cc88c5a2e8c8114389279e240b5 (diff) | |
| download | lwn-9fd097b14918875bd6f125ed699d7bbbba5893ee.tar.gz lwn-9fd097b14918875bd6f125ed699d7bbbba5893ee.zip | |
block: unexport DISK_EVENT_MEDIA_CHANGE for legacy/fringe drivers
In-kernel disk event polling doesn't matter for legacy/fringe drivers
and may lead to infinite event loop if ->check_events() implementation
generates events on level condition instead of edge.
Now that block layer supports suppressing exporting unlisted events,
simply leaving disk->events cleared allows these drivers to keep the
internal revalidation behavior intact while avoiding weird
interactions with userland event handler.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/cdrom')
| -rw-r--r-- | drivers/cdrom/gdrom.c | 1 | ||||
| -rw-r--r-- | drivers/cdrom/viocd.c | 1 |
2 files changed, 0 insertions, 2 deletions
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c index b2b034fea34e..3ceaf006e7f0 100644 --- a/drivers/cdrom/gdrom.c +++ b/drivers/cdrom/gdrom.c @@ -803,7 +803,6 @@ static int __devinit probe_gdrom(struct platform_device *devptr) goto probe_fail_cdrom_register; } gd.disk->fops = &gdrom_bdops; - gd.disk->events = DISK_EVENT_MEDIA_CHANGE; /* latch on to the interrupt */ err = gdrom_set_interrupt_handlers(); if (err) diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c index 4e874c5fa605..e427fbe45999 100644 --- a/drivers/cdrom/viocd.c +++ b/drivers/cdrom/viocd.c @@ -626,7 +626,6 @@ static int viocd_probe(struct vio_dev *vdev, const struct vio_device_id *id) gendisk->queue = q; gendisk->fops = &viocd_fops; gendisk->flags = GENHD_FL_CD|GENHD_FL_REMOVABLE; - gendisk->events = DISK_EVENT_MEDIA_CHANGE; set_capacity(gendisk, 0); gendisk->private_data = d; d->viocd_disk = gendisk; |