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-rw-r--r--fs/block_dev.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 677cb364d33f..9c073dbdc1b0 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1972,6 +1972,9 @@ ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (bdev_read_only(I_BDEV(bd_inode)))
return -EPERM;
+ if (IS_SWAPFILE(bd_inode))
+ return -ETXTBSY;
+
if (!iov_iter_count(from))
return 0;