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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 10:48:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 10:48:32 -0700
commitd6fb1db02e02aea98f2d7e121fd30e24c84639d6 (patch)
tree865546f0388c40d52cf98febe2c6d21039915ea2 /drivers/block/loop.c
parentb4e6b09738fde057ce885703705f71cc953d0512 (diff)
parenta1b3f594dc5faab91d3a218c7019e9b5edd9fe1a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (38 commits) net: Expose all network devices in a namespaces in sysfs hotplug: netns aware uevent_helper kobj: Send hotplug events in the proper namespace. netlink: Implment netlink_broadcast_filtered net/sysfs: Fix the bitrot in network device kobject namespace support netns: Teach network device kobjects which namespace they are in. kobject: Send hotplug events in all network namespaces driver-core: fix Typo in drivers/base/core.c for CONFIG_MODULE pci: check caps from sysfs file open to read device dependent config space sysfs: add struct file* to bin_attr callbacks sysfs: Remove usage of S_BIAS to avoid merge conflict with the vfs tree sysfs: Don't use enums in inline function declaration. sysfs-namespaces: add a high-level Documentation file sysfs: Comment sysfs directory tagging logic driver core: Implement ns directory support for device classes. sysfs: Implement sysfs_delete_link sysfs: Add support for tagged directories with untagged members. sysfs: Implement sysfs tagged directory support. kobj: Add basic infrastructure for dealing with namespaces. sysfs: Remove double free sysfs_get_sb ...
Diffstat (limited to 'drivers/block/loop.c')
-rw-r--r--drivers/block/loop.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 8546d123b9a..a90e83c9be9 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -835,6 +835,8 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
set_capacity(lo->lo_disk, size);
bd_set_size(bdev, size << 9);
+ /* let user-space know about the new size */
+ kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
set_blocksize(bdev, lo_blocksize);
@@ -858,6 +860,7 @@ out_clr:
set_capacity(lo->lo_disk, 0);
invalidate_bdev(bdev);
bd_set_size(bdev, 0);
+ kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
mapping_set_gfp_mask(mapping, lo->old_gfp_mask);
lo->lo_state = Lo_unbound;
out_putf:
@@ -944,8 +947,11 @@ static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev)
if (bdev)
invalidate_bdev(bdev);
set_capacity(lo->lo_disk, 0);
- if (bdev)
+ if (bdev) {
bd_set_size(bdev, 0);
+ /* let user-space know about this change */
+ kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
+ }
mapping_set_gfp_mask(filp->f_mapping, gfp);
lo->lo_state = Lo_unbound;
/* This is safe: open() is still holding a reference. */
@@ -1189,6 +1195,8 @@ static int loop_set_capacity(struct loop_device *lo, struct block_device *bdev)
sz <<= 9;
mutex_lock(&bdev->bd_mutex);
bd_set_size(bdev, sz);
+ /* let user-space know about the new size */
+ kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
mutex_unlock(&bdev->bd_mutex);
out: