From: Darrick J. Wong <djwong@xxxxxxxxxx>
Add more hooks to report directio IO errors to the filesystem.
Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
---
fs/iomap/direct-io.c | 4 ++++
include/linux/iomap.h | 2 ++
2 files changed, 6 insertions(+)
diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index dd521f4edf55ac..f572be18490b0a 100644
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -100,6 +100,10 @@ ssize_t iomap_dio_complete(struct iomap_dio *dio)
if (dops && dops->end_io)
ret = dops->end_io(iocb, dio->size, ret, dio->flags);
+ if (dio->error && dops && dops->ioerror)
+ dops->ioerror(file_inode(iocb->ki_filp),
+ (dio->flags & IOMAP_DIO_WRITE) ? WRITE : READ,
+ offset, dio->size, dio->error);
if (likely(!ret)) {
ret = dio->size;
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index afa0917cf43705..69c8b45bd9b935 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -439,6 +439,8 @@ struct iomap_dio_ops {
unsigned flags);
void (*submit_io)(const struct iomap_iter *iter, struct bio *bio,
loff_t file_offset);
+ void (*ioerror)(struct inode *inode, int direction, loff_t pos,
+ u64 len, int error);
/*
* Filesystems wishing to attach private information to a direct io bio
