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| author | Daniel Stodden <daniel.stodden@citrix.com> | 2010-08-07 18:51:21 +0200 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-08-07 18:51:21 +0200 |
| commit | d54142c71f05b608b7360d80bdab74eed0f17a98 (patch) | |
| tree | 05bae4d49f360b4b18b8a69014f1489fae8a9fe5 /drivers | |
| parent | 7b32d1044ae791a1e53a53023bf2668438d5301b (diff) | |
| download | op-kernel-dev-d54142c71f05b608b7360d80bdab74eed0f17a98.zip op-kernel-dev-d54142c71f05b608b7360d80bdab74eed0f17a98.tar.gz | |
blkfront: Klog the unclean release path
Signed-off-by: Daniel Stodden <daniel.stodden@citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/xen-blkfront.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index b01167b..c6727b5 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -1120,6 +1120,10 @@ static int blkfront_remove(struct xenbus_device *xbdev) mutex_lock(&bdev->bd_mutex); info = disk->private_data; + dev_warn(disk_to_dev(disk), + "%s was hot-unplugged, %d stale handles\n", + xbdev->nodename, bdev->bd_openers); + if (info && !bdev->bd_openers) { xlvbd_release_gendisk(info); disk->private_data = NULL; @@ -1191,6 +1195,7 @@ static int blkif_release(struct gendisk *disk, fmode_t mode) if (xbdev && xbdev->state == XenbusStateClosing) { /* pending switch to state closed */ + dev_info(disk_to_dev(bdev->bd_disk), "releasing disk\n"); xlvbd_release_gendisk(info); xenbus_frontend_closed(info->xbdev); } @@ -1199,6 +1204,7 @@ static int blkif_release(struct gendisk *disk, fmode_t mode) if (!xbdev) { /* sudden device removal */ + dev_info(disk_to_dev(bdev->bd_disk), "releasing disk\n"); xlvbd_release_gendisk(info); disk->private_data = NULL; kfree(info); |
