Namjae Jeon 6791b57284 ksmbd: set the range of bytes to zero without extending file size in FSCTL_ZERO_DATA
commit 18e39fb960e6a908ac5230b57e3d0d6c25232368 upstream.

generic/091, 263 test failed since commit f66f8b94e7f2 ("cifs: when
extending a file with falloc we should make files not-sparse").
FSCTL_ZERO_DATA sets the range of bytes to zero without extending file
size. The VFS_FALLOCATE_FL_KEEP_SIZE flag should be used even on
non-sparse files.

Cc: stable@vger.kernel.org
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-07 17:53:23 +02:00
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