dm: rename suspended_bdev to bdev
Rename suspended_bdev to bdev.
This patch doesn't change any functionality, just renames the variable.
In the next patch, the variable will be used even for non-suspended device.
(Pre-requisite for the per-target barrier support patches.)
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 59806e6..1cfd9b7 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -157,7 +157,7 @@
* 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;
@@ -1214,9 +1214,9 @@
{
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);
@@ -1259,9 +1259,9 @@
{
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)
@@ -1277,7 +1277,7 @@
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) {
@@ -1521,7 +1521,7 @@
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;
@@ -1543,7 +1543,7 @@
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;
@@ -1563,7 +1563,7 @@
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);
}
@@ -1603,8 +1603,8 @@
/* 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;
@@ -1675,9 +1675,9 @@
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);
@@ -1708,9 +1708,9 @@
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);