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>

1 files changed, 18 insertions, 18 deletions

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 59806e67a175..1cfd9b72403d 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -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;
@@ -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);
@@ -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)
@@ -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) {
@@ -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;
 
@@ -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;
@@ -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);
 }
@@ -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;
@@ -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);
@@ -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);