If an iomap_iter is available, use the IOMAP_WRITE flag instead of the
iterator direction.
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: Christoph Hellwig <hch@xxxxxx>
cc: Jens Axboe <axboe@xxxxxxxxx>
cc: Christian Brauner <christian@xxxxxxxxxx>
cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
cc: linux-block@xxxxxxxxxxxxxxx
cc: linux-fsdevel@xxxxxxxxxxxxxxx
---
fs/dax.c | 4 ++--
fs/iomap/direct-io.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/dax.c b/fs/dax.c
index 5c6ebe64a3fd..d49480675fc0 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -1438,7 +1438,7 @@ static loff_t dax_iomap_iter(const struct iomap_iter *iomi,
loff_t pos = iomi->pos;
struct dax_device *dax_dev = iomap->dax_dev;
loff_t end = pos + length, done = 0;
- bool write = iov_iter_rw(iter) == WRITE;
+ bool write = iomi->flags & IOMAP_WRITE;
bool cow = write && iomap->flags & IOMAP_F_SHARED;
ssize_t ret = 0;
size_t xfer;
@@ -1498,7 +1498,7 @@ static loff_t dax_iomap_iter(const struct iomap_iter *iomi,
map_len = dax_direct_access(dax_dev, pgoff, PHYS_PFN(size),
DAX_ACCESS, &kaddr, NULL);
- if (map_len == -EIO && iov_iter_rw(iter) == WRITE) {
+ if (map_len == -EIO && write) {
map_len = dax_direct_access(dax_dev, pgoff,
PHYS_PFN(size), DAX_RECOVERY_WRITE,
&kaddr, NULL);
diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index a56099470185..3095091af680 100644
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -587,7 +587,7 @@ __iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
* Revert iter to a state corresponding to that as some callers (such
* as the splice code) rely on it.
*/
- if (iov_iter_rw(iter) == READ && iomi.pos >= dio->i_size)
+ if (!(iomi.flags & IOMAP_WRITE) && iomi.pos >= dio->i_size)
iov_iter_revert(iter, iomi.pos - dio->i_size);
if (ret == -EFAULT && dio->size && (dio_flags & IOMAP_DIO_PARTIAL)) {
