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yaml
---
r: 154241
b: refs/heads/master
c: db8fef4
h: refs/heads/master
i:
  154239: f0a9820
v: v3
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Mikulas Patocka authored and Alasdair G Kergon committed Jun 22, 2009
1 parent 290a01b commit 180eb29
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Showing 2 changed files with 19 additions and 19 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f6bd4eb73cdf2a5bf954e497972842f39cabb7e3
refs/heads/master: db8fef4fabe4a546ce74f80bff64fd43776e5912
36 changes: 18 additions & 18 deletions trunk/drivers/md/dm.c
Original file line number Diff line number Diff line change
Expand Up @@ -157,7 +157,7 @@ struct mapped_device {
* freeze/thaw support require holding onto a super block
*/
struct super_block *frozen_sb;
struct block_device *suspended_bdev;
struct block_device *bdev;

/* forced geometry settings */
struct hd_geometry geometry;
Expand Down Expand Up @@ -1214,9 +1214,9 @@ static void free_dev(struct mapped_device *md)
{
int minor = MINOR(disk_devt(md->disk));

if (md->suspended_bdev) {
if (md->bdev) {
unlock_fs(md);
bdput(md->suspended_bdev);
bdput(md->bdev);
}
destroy_workqueue(md->wq);
mempool_destroy(md->tio_pool);
Expand Down Expand Up @@ -1259,9 +1259,9 @@ static void __set_size(struct mapped_device *md, sector_t size)
{
set_capacity(md->disk, size);

mutex_lock(&md->suspended_bdev->bd_inode->i_mutex);
i_size_write(md->suspended_bdev->bd_inode, (loff_t)size << SECTOR_SHIFT);
mutex_unlock(&md->suspended_bdev->bd_inode->i_mutex);
mutex_lock(&md->bdev->bd_inode->i_mutex);
i_size_write(md->bdev->bd_inode, (loff_t)size << SECTOR_SHIFT);
mutex_unlock(&md->bdev->bd_inode->i_mutex);
}

static int __bind(struct mapped_device *md, struct dm_table *t)
Expand All @@ -1277,7 +1277,7 @@ static int __bind(struct mapped_device *md, struct dm_table *t)
if (size != get_capacity(md->disk))
memset(&md->geometry, 0, sizeof(md->geometry));

if (md->suspended_bdev)
if (md->bdev)
__set_size(md, size);

if (!size) {
Expand Down Expand Up @@ -1521,7 +1521,7 @@ int dm_swap_table(struct mapped_device *md, struct dm_table *table)
goto out;

/* without bdev, the device size cannot be changed */
if (!md->suspended_bdev)
if (!md->bdev)
if (get_capacity(md->disk) != dm_table_get_size(table))
goto out;

Expand All @@ -1543,7 +1543,7 @@ static int lock_fs(struct mapped_device *md)

WARN_ON(md->frozen_sb);

md->frozen_sb = freeze_bdev(md->suspended_bdev);
md->frozen_sb = freeze_bdev(md->bdev);
if (IS_ERR(md->frozen_sb)) {
r = PTR_ERR(md->frozen_sb);
md->frozen_sb = NULL;
Expand All @@ -1563,7 +1563,7 @@ static void unlock_fs(struct mapped_device *md)
if (!test_bit(DMF_FROZEN, &md->flags))
return;

thaw_bdev(md->suspended_bdev, md->frozen_sb);
thaw_bdev(md->bdev, md->frozen_sb);
md->frozen_sb = NULL;
clear_bit(DMF_FROZEN, &md->flags);
}
Expand Down Expand Up @@ -1603,8 +1603,8 @@ int dm_suspend(struct mapped_device *md, unsigned suspend_flags)

/* bdget() can stall if the pending I/Os are not flushed */
if (!noflush) {
md->suspended_bdev = bdget_disk(md->disk, 0);
if (!md->suspended_bdev) {
md->bdev = bdget_disk(md->disk, 0);
if (!md->bdev) {
DMWARN("bdget failed in dm_suspend");
r = -ENOMEM;
goto out;
Expand Down Expand Up @@ -1675,9 +1675,9 @@ int dm_suspend(struct mapped_device *md, unsigned suspend_flags)
set_bit(DMF_SUSPENDED, &md->flags);

out:
if (r && md->suspended_bdev) {
bdput(md->suspended_bdev);
md->suspended_bdev = NULL;
if (r && md->bdev) {
bdput(md->bdev);
md->bdev = NULL;
}

dm_table_put(map);
Expand Down Expand Up @@ -1708,9 +1708,9 @@ int dm_resume(struct mapped_device *md)

unlock_fs(md);

if (md->suspended_bdev) {
bdput(md->suspended_bdev);
md->suspended_bdev = NULL;
if (md->bdev) {
bdput(md->bdev);
md->bdev = NULL;
}

clear_bit(DMF_SUSPENDED, &md->flags);
Expand Down

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