Messages in this thread Patch in this message | | | Subject | [PATCH] netfs: Fix READ/WRITE confusion when calling iov_iter_xarray() | From | David Howells <> | Date | Thu, 23 Sep 2021 10:52:26 +0100 |
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Fix netfs_clear_unread() to pass READ to iov_iter_xarray() instead of WRITE (the flag is about the operation accessing the buffer, not what sort of access it is doing to the buffer).
Fixes: 3d3c95046742 ("netfs: Provide readahead and readpage netfs helpers") Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> cc: linux-cachefs@redhat.com cc: linux-afs@lists.infradead.org cc: ceph-devel@vger.kernel.org cc: linux-cifs@vger.kernel.org cc: linux-nfs@vger.kernel.org cc: v9fs-developer@lists.sourceforge.net cc: linux-fsdevel@vger.kernel.org cc: linux-mm@kvack.org Link: https://lore.kernel.org/r/162729351325.813557.9242842205308443901.stgit@warthog.procyon.org.uk/ ---
fs/netfs/read_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c index 2ad91f9e2a45..9320a42dfaf9 100644 --- a/fs/netfs/read_helper.c +++ b/fs/netfs/read_helper.c @@ -150,7 +150,7 @@ static void netfs_clear_unread(struct netfs_read_subrequest *subreq) { struct iov_iter iter; - iov_iter_xarray(&iter, WRITE, &subreq->rreq->mapping->i_pages, + iov_iter_xarray(&iter, READ, &subreq->rreq->mapping->i_pages, subreq->start + subreq->transferred, subreq->len - subreq->transferred); iov_iter_zero(iov_iter_count(&iter), &iter);
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