[PATCH] nfs: fix nfs_swap_rw for large-folio swap

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As of Linux 6.10-rc the MM can swap out larger than page size chunks.
NFS has all code ready to handle this, but has a VM_BUG_ON that
triggers when this happens.  Simply remove the VM_BUG_ON to fix this
use case.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 fs/nfs/direct.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index bb2f583eb28bf1..90079ca134dd3c 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -141,8 +141,6 @@ int nfs_swap_rw(struct kiocb *iocb, struct iov_iter *iter)
 {
 	ssize_t ret;
 
-	VM_BUG_ON(iov_iter_count(iter) != PAGE_SIZE);
-
 	if (iov_iter_rw(iter) == READ)
 		ret = nfs_file_direct_read(iocb, iter, true);
 	else
-- 
2.43.0





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