[PATCH v7 21/22] xfs: minimal conversion to errseq_t writeback error reporting

[Jeff Layton <jlayton@redhat.com>]

Just check and advance the data errseq_t in struct file before
before returning from fsync on normal files. Internal filemap_*
callers are left as-is.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
---
 fs/xfs/xfs_file.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 5fb5a0958a14..bc3b1575e8db 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -134,7 +134,7 @@ xfs_file_fsync(
 	struct inode		*inode = file->f_mapping->host;
 	struct xfs_inode	*ip = XFS_I(inode);
 	struct xfs_mount	*mp = ip->i_mount;
-	int			error = 0;
+	int			error = 0, err2;
 	int			log_flushed = 0;
 	xfs_lsn_t		lsn = 0;
 
@@ -142,10 +142,12 @@ xfs_file_fsync(
 
 	error = filemap_write_and_wait_range(inode->i_mapping, start, end);
 	if (error)
-		return error;
+		goto out;
 
-	if (XFS_FORCED_SHUTDOWN(mp))
-		return -EIO;
+	if (XFS_FORCED_SHUTDOWN(mp)) {
+		error = -EIO;
+		goto out;
+	}
 
 	xfs_iflags_clear(ip, XFS_ITRUNCATED);
 
@@ -197,6 +199,11 @@ xfs_file_fsync(
 	    mp->m_logdev_targp == mp->m_ddev_targp)
 		xfs_blkdev_issue_flush(mp->m_ddev_targp);
 
+out:
+	err2 = filemap_report_wb_err(file);
+	if (!error)
+		error = err2;
+
 	return error;
 }
 
-- 
2.13.0