xfs: translate fsdax media errors into file "data lost" errors when convenient

Translate fsdax persistent failure notifications into file data loss
events when it's convenient, aka when the inode is already incore.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Link: https://patch.msgid.link/176826402673.3490369.1672039530408369208.stgit@frogsfrogsfrogs
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/fs/xfs/xfs_notify_failure.c b/fs/xfs/xfs_notify_failure.c
index b1767288994206b35eb1276d3e0cfcd823c29c55..6d5002413c2cb4ace3405597126c2f7ee6262212 100644 (file)
--- a/fs/xfs/xfs_notify_failure.c
+++ b/fs/xfs/xfs_notify_failure.c
@@ -26,6 +26,7 @@
 #include <linux/mm.h>
 #include <linux/dax.h>
 #include <linux/fs.h>
+#include <linux/fserror.h>
 
 struct xfs_failure_info {
        xfs_agblock_t           startblock;
@@ -116,6 +117,9 @@ xfs_dax_failure_fn(
                invalidate_inode_pages2_range(mapping, pgoff,
                                              pgoff + pgcnt - 1);
 
+       fserror_report_data_lost(VFS_I(ip), (u64)pgoff << PAGE_SHIFT,
+                       (u64)pgcnt << PAGE_SHIFT, GFP_NOFS);
+
        xfs_irele(ip);
        return error;
 }