Revert "fs: remove dio_end_io()"
This reverts commit b75b7ca7c27dfd61dba368f390b7d4dc20b3a8cb.
The patch restores a helper that was not necessary after direct IO port
to iomap infrastructure, which gets reverted.
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/direct-io.c b/fs/direct-io.c
index c44d60f..00b4d15 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -386,6 +386,25 @@
spin_unlock_irqrestore(&dio->bio_lock, flags);
}
+/**
+ * dio_end_io - handle the end io action for the given bio
+ * @bio: The direct io bio thats being completed
+ *
+ * This is meant to be called by any filesystem that uses their own dio_submit_t
+ * so that the DIO specific endio actions are dealt with after the filesystem
+ * has done it's completion work.
+ */
+void dio_end_io(struct bio *bio)
+{
+ struct dio *dio = bio->bi_private;
+
+ if (dio->is_async)
+ dio_bio_end_aio(bio);
+ else
+ dio_bio_end_io(bio);
+}
+EXPORT_SYMBOL_GPL(dio_end_io);
+
static inline void
dio_bio_alloc(struct dio *dio, struct dio_submit *sdio,
struct block_device *bdev,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index e84623d..366c533 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3187,6 +3187,8 @@
DIO_SKIP_HOLES = 0x02,
};
+void dio_end_io(struct bio *bio);
+
ssize_t __blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
struct block_device *bdev, struct iov_iter *iter,
get_block_t get_block,
