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.

We also set the FS_WB_ERRSEQ flag just for completeness sake.
Not much is really using it at this point.

Signed-off-by: Jeff Layton <jlay...@redhat.com>
---
 fs/xfs/xfs_file.c  | 15 +++++++++++----
 fs/xfs/xfs_super.c |  2 +-
 2 files changed, 12 insertions(+), 5 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;
 }
 
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 455a575f101d..28d3be187025 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1758,7 +1758,7 @@ static struct file_system_type xfs_fs_type = {
        .name                   = "xfs",
        .mount                  = xfs_fs_mount,
        .kill_sb                = kill_block_super,
-       .fs_flags               = FS_REQUIRES_DEV,
+       .fs_flags               = FS_REQUIRES_DEV | FS_WB_ERRSEQ,
 };
 MODULE_ALIAS_FS("xfs");
 
-- 
2.13.0

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