fs: simplify the generic_write_sync prototype

[cascardo/linux.git] / fs / block_dev.c

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 3172c4e..a063d4d 100644 (file)
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -162,15 +162,15 @@ static struct inode *bdev_file_inode(struct file *file)
 }
 
 static ssize_t
-blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
+blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
 {
        struct file *file = iocb->ki_filp;
        struct inode *inode = bdev_file_inode(file);
 
        if (IS_DAX(inode))
-               return dax_do_io(iocb, inode, iter, offset, blkdev_get_block,
+               return dax_do_io(iocb, inode, iter, blkdev_get_block,
                                NULL, DIO_SKIP_DIO_COUNT);
-       return __blockdev_direct_IO(iocb, inode, I_BDEV(inode), iter, offset,
+       return __blockdev_direct_IO(iocb, inode, I_BDEV(inode), iter,
                                    blkdev_get_block, NULL, NULL,
                                    DIO_SKIP_DIO_COUNT);
 }
@@ -331,7 +331,7 @@ static int blkdev_write_end(struct file *file, struct address_space *mapping,
        ret = block_write_end(file, mapping, pos, len, copied, page, fsdata);
 
        unlock_page(page);
-       page_cache_release(page);
+       put_page(page);
 
        return ret;
 }
@@ -1149,7 +1149,7 @@ void bd_set_size(struct block_device *bdev, loff_t size)
        inode_lock(bdev->bd_inode);
        i_size_write(bdev->bd_inode, size);
        inode_unlock(bdev->bd_inode);
-       while (bsize < PAGE_CACHE_SIZE) {
+       while (bsize < PAGE_SIZE) {
                if (size & bsize)
                        break;
                bsize <<= 1;
@@ -1660,12 +1660,8 @@ ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from)
 
        blk_start_plug(&plug);
        ret = __generic_file_write_iter(iocb, from);
-       if (ret > 0) {
-               ssize_t err;
-               err = generic_write_sync(file, iocb->ki_pos - ret, ret);
-               if (err < 0)
-                       ret = err;
-       }
+       if (ret > 0)
+               ret = generic_write_sync(iocb, ret);
        blk_finish_plug(&plug);
        return ret;
 }