[RFC PATCH 2/4] dax: set errors in mapping when writeback fails
From: Jeff Layton <hidden>
Date: 2017-03-31 19:26:07
Also in:
linux-fsdevel, lkml
Subsystem:
filesystem direct access (dax), filesystems (vfs and infrastructure), the rest · Maintainers:
Dan Williams, Alexander Viro, Christian Brauner, Linus Torvalds
In order to get proper error codes from fsync, we must set an error in the mapping range when writeback fails. Signed-off-by: Jeff Layton <redacted> --- fs/dax.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/dax.c b/fs/dax.c
index de622d4282a6..b76b3ffc141a 100644
--- a/fs/dax.c
+++ b/fs/dax.c@@ -892,8 +892,10 @@ int dax_writeback_mapping_range(struct address_space *mapping, ret = dax_writeback_one(bdev, mapping, indices[i], pvec.pages[i]); - if (ret < 0) + if (ret < 0) { + filemap_set_wb_error(mapping, ret); return ret; + } } } return 0;
--
2.9.3