iomap: fix a regression for partial write errors

When write* wrote some data it should return the amount of written data
and not the error code that caused it to stop.  Fix a recent regression
in iomap_file_buffered_write that caused it to return the errno instead.

Fixes: 219580eea1ee ("iomap: update ki_pos in iomap_file_buffered_write")
Reported-by: kernel test robot <[email protected]>
Reported-by: Cyril Hrubis <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Darrick J. Wong <[email protected]>
Reviewed-by: Ritesh Harjani (IBM) <[email protected]>

0 files changed, 0 insertions, 0 deletions