Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block

[~andy/linux] / fs / block_dev.c

diff --git a/fs/block_dev.c b/fs/block_dev.c
index dc7f9836fb5e69630dfd93b64202514476a033bd..2091db8cdd783a2287ce9165a7223cfe59cf5a2b 100644 (file)
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -27,6 +27,7 @@
 #include <linux/namei.h>
 #include <linux/log2.h>
 #include <linux/cleancache.h>
+#include <linux/aio.h>
 #include <asm/uaccess.h>
 #include "internal.h"
 
@@ -551,6 +552,7 @@ struct block_device *bdgrab(struct block_device *bdev)
        ihold(bdev->bd_inode);
        return bdev;
 }
+EXPORT_SYMBOL(bdgrab);
 
 long nr_blockdev_pages(void)
 {
@@ -616,11 +618,9 @@ void bd_forget(struct inode *inode)
        struct block_device *bdev = NULL;
 
        spin_lock(&bdev_lock);
-       if (inode->i_bdev) {
-               if (!sb_is_blkdev_sb(inode->i_sb))
-                       bdev = inode->i_bdev;
-               __bd_forget(inode);
-       }
+       if (!sb_is_blkdev_sb(inode->i_sb))
+               bdev = inode->i_bdev;
+       __bd_forget(inode);
        spin_unlock(&bdev_lock);
 
        if (bdev)
@@ -1046,7 +1046,7 @@ void bd_set_size(struct block_device *bdev, loff_t size)
 }
 EXPORT_SYMBOL(bd_set_size);
 
-static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part);
+static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part);
 
 /*
  * bd_mutex locking:
@@ -1401,9 +1401,8 @@ static int blkdev_open(struct inode * inode, struct file * filp)
        return blkdev_get(bdev, filp->f_mode, filp);
 }
 
-static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part)
+static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part)
 {
-       int ret = 0;
        struct gendisk *disk = bdev->bd_disk;
        struct block_device *victim = NULL;
 
@@ -1423,7 +1422,7 @@ static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part)
        }
        if (bdev->bd_contains == bdev) {
                if (disk->fops->release)
-                       ret = disk->fops->release(disk, mode);
+                       disk->fops->release(disk, mode);
        }
        if (!bdev->bd_openers) {
                struct module *owner = disk->fops->owner;
@@ -1442,10 +1441,9 @@ static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part)
        bdput(bdev);
        if (victim)
                __blkdev_put(victim, mode, 1);
-       return ret;
 }
 
-int blkdev_put(struct block_device *bdev, fmode_t mode)
+void blkdev_put(struct block_device *bdev, fmode_t mode)
 {
        mutex_lock(&bdev->bd_mutex);
 
@@ -1489,15 +1487,15 @@ int blkdev_put(struct block_device *bdev, fmode_t mode)
 
        mutex_unlock(&bdev->bd_mutex);
 
-       return __blkdev_put(bdev, mode, 0);
+       __blkdev_put(bdev, mode, 0);
 }
 EXPORT_SYMBOL(blkdev_put);
 
 static int blkdev_close(struct inode * inode, struct file * filp)
 {
        struct block_device *bdev = I_BDEV(filp->f_mapping->host);
-
-       return blkdev_put(bdev, filp->f_mode);
+       blkdev_put(bdev, filp->f_mode);
+       return 0;
 }
 
 static long block_ioctl(struct file *file, unsigned cmd, unsigned long arg)