The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 3cfef1b612e15a0c2f5b1c9d3f3f31ad72d56fcd Mon Sep 17 00:00:00 2001
From: Jeffle Xu jefflexu@linux.alibaba.com Date: Tue, 7 Dec 2021 11:14:49 +0800 Subject: [PATCH] netfs: fix parameter of cleanup()
The order of these two parameters is just reversed. gcc didn't warn on that, probably because 'void *' can be converted from or to other pointer types without warning.
Cc: stable@vger.kernel.org Fixes: 3d3c95046742 ("netfs: Provide readahead and readpage netfs helpers") Fixes: e1b1240c1ff5 ("netfs: Add write_begin helper") Signed-off-by: Jeffle Xu jefflexu@linux.alibaba.com Signed-off-by: David Howells dhowells@redhat.com Reviewed-by: Jeff Layton jlayton@redhat.com Link: https://lore.kernel.org/r/20211207031449.100510-1-jefflexu@linux.alibaba.com... # v1
diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c index 7c6e199618af..75c76cbb27cc 100644 --- a/fs/netfs/read_helper.c +++ b/fs/netfs/read_helper.c @@ -955,7 +955,7 @@ int netfs_readpage(struct file *file, rreq = netfs_alloc_read_request(ops, netfs_priv, file); if (!rreq) { if (netfs_priv) - ops->cleanup(netfs_priv, folio_file_mapping(folio)); + ops->cleanup(folio_file_mapping(folio), netfs_priv); folio_unlock(folio); return -ENOMEM; } @@ -1186,7 +1186,7 @@ int netfs_write_begin(struct file *file, struct address_space *mapping, goto error; have_folio_no_wait: if (netfs_priv) - ops->cleanup(netfs_priv, mapping); + ops->cleanup(mapping, netfs_priv); *_folio = folio; _leave(" = 0"); return 0; @@ -1197,7 +1197,7 @@ int netfs_write_begin(struct file *file, struct address_space *mapping, folio_unlock(folio); folio_put(folio); if (netfs_priv) - ops->cleanup(netfs_priv, mapping); + ops->cleanup(mapping, netfs_priv); _leave(" = %d", ret); return ret; }