Messages in this thread Patch in this message | | | From | Tejun Heo <> | Subject | [PATCH 12/16] i2o_block: convert to bdops->check_events() | Date | Tue, 28 Dec 2010 18:29:08 +0100 |
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Convert from ->media_changed() to ->check_events().
i2o_block buffers media changed state and clears it after reporting. It will behave correctly with kernel event polling.
Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Jens Axboe <axboe@kernel.dk> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Markus Lidel <Markus.Lidel@shadowconnect.com> --- drivers/message/i2o/i2o_block.c | 11 +++++++---- 1 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c index f87a9d4..729d3b6 100644 --- a/drivers/message/i2o/i2o_block.c +++ b/drivers/message/i2o/i2o_block.c @@ -695,20 +695,22 @@ static int i2o_block_ioctl(struct block_device *bdev, fmode_t mode, }; /** - * i2o_block_media_changed - Have we seen a media change? + * i2o_block_check_events - Have we seen a media change? * @disk: gendisk which should be verified + * @clearing: events being cleared * * Verifies if the media has changed. * * Returns 1 if the media was changed or 0 otherwise. */ -static int i2o_block_media_changed(struct gendisk *disk) +static unsigned int i2o_block_check_events(struct gendisk *disk, + unsigned int clearing) { struct i2o_block_device *p = disk->private_data; if (p->media_change_flag) { p->media_change_flag = 0; - return 1; + return DISK_EVENT_MEDIA_CHANGE; } return 0; } @@ -950,7 +952,7 @@ static const struct block_device_operations i2o_block_fops = { .ioctl = i2o_block_ioctl, .compat_ioctl = i2o_block_ioctl, .getgeo = i2o_block_getgeo, - .media_changed = i2o_block_media_changed + .check_events = i2o_block_check_events, }; /** @@ -1002,6 +1004,7 @@ static struct i2o_block_device *i2o_block_device_alloc(void) gd->major = I2O_MAJOR; gd->queue = queue; gd->fops = &i2o_block_fops; + gd->events = DISK_EVENT_MEDIA_CHANGE; gd->private_data = dev; dev->gd = gd; -- 1.7.1
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