1 files changed, 21 insertions, 10 deletions

diff --git a/fs/block_dev.c b/fs/block_dev.c
index f45dbc18dd17..3a6d4fb2a329 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -25,6 +25,7 @@
 #include <linux/uio.h>
 #include <linux/namei.h>
 #include <linux/log2.h>
+#include <linux/kmemleak.h>
 #include <asm/uaccess.h>
 #include "internal.h"
 
@@ -76,7 +77,7 @@ int set_blocksize(struct block_device *bdev, int size)
                 return -EINVAL;
 
         /* Size cannot be smaller than the size supported by the device */
-        if (size < bdev_hardsect_size(bdev))
+        if (size < bdev_logical_block_size(bdev))
                 return -EINVAL;
 
         /* Don't change the size if it is same as current */
@@ -106,7 +107,7 @@ EXPORT_SYMBOL(sb_set_blocksize);
 
 int sb_min_blocksize(struct super_block *sb, int size)
 {
-        int minsize = bdev_hardsect_size(sb->s_bdev);
+        int minsize = bdev_logical_block_size(sb->s_bdev);
         if (size < minsize)
                 size = minsize;
         return sb_set_blocksize(sb, size);
@@ -175,17 +176,22 @@ blkdev_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
                                 iov, offset, nr_segs, blkdev_get_blocks, NULL);
 }
 
+int __sync_blockdev(struct block_device *bdev, int wait)
+{
+        if (!bdev)
+                return 0;
+        if (!wait)
+                return filemap_flush(bdev->bd_inode->i_mapping);
+        return filemap_write_and_wait(bdev->bd_inode->i_mapping);
+}
+
 /*
  * Write out and wait upon all the dirty data associated with a block
  * device via its mapping.  Does not take the superblock lock.
  */
 int sync_blockdev(struct block_device *bdev)
 {
-        int ret = 0;
-
-        if (bdev)
-                ret = filemap_write_and_wait(bdev->bd_inode->i_mapping);
-        return ret;
+        return __sync_blockdev(bdev, 1);
 }
 EXPORT_SYMBOL(sync_blockdev);
 
@@ -198,7 +204,7 @@ int fsync_bdev(struct block_device *bdev)
 {
         struct super_block *sb = get_super(bdev);
         if (sb) {
-                int res = fsync_super(sb);
+                int res = sync_filesystem(sb);
                 drop_super(sb);
                 return res;
         }
@@ -240,7 +246,7 @@ struct super_block *freeze_bdev(struct block_device *bdev)
                 sb->s_frozen = SB_FREEZE_WRITE;
                 smp_wmb();
 
-                __fsync_super(sb);
+                sync_filesystem(sb);
 
                 sb->s_frozen = SB_FREEZE_TRANS;
                 smp_wmb();
@@ -492,6 +498,11 @@ void __init bdev_cache_init(void)
         bd_mnt = kern_mount(&bd_type);
         if (IS_ERR(bd_mnt))
                 panic("Cannot create bdev pseudo-fs");
+        /*
+         * This vfsmount structure is only used to obtain the
+         * blockdev_superblock, so tell kmemleak not to report it.
+         */
+        kmemleak_not_leak(bd_mnt);
         blockdev_superblock = bd_mnt->mnt_sb;   /* For writeback */
 }
 
@@ -1111,7 +1122,7 @@ EXPORT_SYMBOL(check_disk_change);
 
 void bd_set_size(struct block_device *bdev, loff_t size)
 {
-        unsigned bsize = bdev_hardsect_size(bdev);
+        unsigned bsize = bdev_logical_block_size(bdev);
 
         bdev->bd_inode->i_size = size;
         while (bsize < PAGE_CACHE_SIZE) {