block: read i_size with i_size_read()

[pandora-kernel.git] / block / ioctl.c

diff --git a/block/ioctl.c b/block/ioctl.c
index d8052f0..38aa194 100644 (file)
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -62,7 +62,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
 
                        /* all seems OK */
                        part = add_partition(disk, partno, start, length,
-                                            ADDPART_FLAG_NONE);
+                                            ADDPART_FLAG_NONE, NULL);
                        mutex_unlock(&bdev->bd_mutex);
                        return IS_ERR(part) ? PTR_ERR(part) : 0;
                case BLKPG_DEL_PARTITION:
@@ -116,7 +116,7 @@ static int blkdev_reread_part(struct block_device *bdev)
 static int blk_ioctl_discard(struct block_device *bdev, uint64_t start,
                             uint64_t len, int secure)
 {
-       unsigned long flags = BLKDEV_IFL_WAIT;
+       unsigned long flags = 0;
 
        if (start & 511)
                return -EINVAL;
@@ -125,10 +125,10 @@ static int blk_ioctl_discard(struct block_device *bdev, uint64_t start,
        start >>= 9;
        len >>= 9;
 
-       if (start + len > (bdev->bd_inode->i_size >> 9))
+       if (start + len > (i_size_read(bdev->bd_inode) >> 9))
                return -EINVAL;
        if (secure)
-               flags |= BLKDEV_IFL_SECURE;
+               flags |= BLKDEV_DISCARD_SECURE;
        return blkdev_issue_discard(bdev, start, len, GFP_KERNEL, flags);
 }
 
@@ -307,12 +307,12 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
                ret = blkdev_reread_part(bdev);
                break;
        case BLKGETSIZE:
-               size = bdev->bd_inode->i_size;
+               size = i_size_read(bdev->bd_inode);
                if ((size >> 9) > ~0UL)
                        return -EFBIG;
                return put_ulong(arg, size >> 9);
        case BLKGETSIZE64:
-               return put_u64(arg, bdev->bd_inode->i_size);
+               return put_u64(arg, i_size_read(bdev->bd_inode));
        case BLKTRACESTART:
        case BLKTRACESTOP:
        case BLKTRACESETUP: