Since 5.10, splice() or sendfile() return EINVAL. This was
caused by commit 36e2c7421f02 ("fs: don't allow splice read/write
without explicit ops").
This patch initializes the splice_write field in file_operations, like
most file systems do, to restore the functionality.
Signed-off-by: Yangtao Li <frank.li@xxxxxxxx>
---
fs/ecryptfs/file.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 18d5b91cb573..d070ca0fac2b 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -421,4 +421,5 @@ const struct file_operations ecryptfs_main_fops = {
.fsync = ecryptfs_fsync,
.fasync = ecryptfs_fasync,
.splice_read = generic_file_splice_read,
+ .splice_write = iter_file_splice_write,
};
--
2.25.1
