diff options
Diffstat (limited to 'drivers/ide/ide-gd.c')
| -rw-r--r-- | drivers/ide/ide-gd.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c index 35c4b43585e..70ea8763567 100644 --- a/drivers/ide/ide-gd.c +++ b/drivers/ide/ide-gd.c @@ -285,11 +285,12 @@ static int ide_gd_getgeo(struct block_device *bdev, struct hd_geometry *geo) return 0; } -static int ide_gd_media_changed(struct gendisk *disk) +static unsigned int ide_gd_check_events(struct gendisk *disk, + unsigned int clearing) { struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj); ide_drive_t *drive = idkp->drive; - int ret; + bool ret; /* do not scan partitions twice if this is a removable device */ if (drive->dev_flags & IDE_DFLAG_ATTACH) { @@ -297,10 +298,16 @@ static int ide_gd_media_changed(struct gendisk *disk) return 0; } - ret = !!(drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED); + /* + * The following is used to force revalidation on the first open on + * removeable devices, and never gets reported to userland as + * genhd->events is 0. This is intended as removeable ide disk + * can't really detect MEDIA_CHANGE events. + */ + ret = drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED; drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED; - return ret; + return ret ? DISK_EVENT_MEDIA_CHANGE : 0; } static void ide_gd_unlock_native_capacity(struct gendisk *disk) @@ -318,7 +325,7 @@ static int ide_gd_revalidate_disk(struct gendisk *disk) struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj); ide_drive_t *drive = idkp->drive; - if (ide_gd_media_changed(disk)) + if (ide_gd_check_events(disk, 0)) drive->disk_ops->get_capacity(drive); set_capacity(disk, ide_gd_capacity(drive)); @@ -340,7 +347,7 @@ static const struct block_device_operations ide_gd_ops = { .release = ide_gd_release, .ioctl = ide_gd_ioctl, .getgeo = ide_gd_getgeo, - .media_changed = ide_gd_media_changed, + .check_events = ide_gd_check_events, .unlock_native_capacity = ide_gd_unlock_native_capacity, .revalidate_disk = ide_gd_revalidate_disk }; |