Fix afs_launder_page() to set the starting position of the StoreData RPC at
the offset into the page at which the modified data starts instead of at
the beginning of the page (the iov_iter is correctly offset).
The offset got lost during the conversion to passing an iov_iter into
afs_store_data().
Fixes: bd80d8a80e12 ("afs: Use ITER_XARRAY for writing")
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
Reviewed-by: Jeffrey Altman <jaltman@xxxxxxxxxxxx>
cc: linux-afs@xxxxxxxxxxxxxxxxxxx
Link: https://lore.kernel.org/r/162880783179.3421678.7795105718190440134.stgit@xxxxxxxxxxxxxxxxxxxxxx/
---
fs/afs/write.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/afs/write.c b/fs/afs/write.c
index fb7d5c1cabde..fff4c7d88e0d 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -950,8 +950,8 @@ int afs_launder_page(struct page *page)
iov_iter_bvec(&iter, WRITE, bv, 1, bv[0].bv_len);
trace_afs_page_dirty(vnode, tracepoint_string("launder"), page);
- ret = afs_store_data(vnode, &iter, (loff_t)page->index * PAGE_SIZE,
- true);
+ ret = afs_store_data(vnode, &iter,
+ (loff_t)page->index * PAGE_SIZE + f, true);
}
trace_afs_page_dirty(vnode, tracepoint_string("laundered"), page);
