disable-punch-for-inline-data

libext2fs: disable punch for inline data

From: Zheng Liu <wenqing.lz@taobao.com>

Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 lib/ext2fs/inline_data.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/ext2fs/inline_data.c b/lib/ext2fs/inline_data.c
index c9746bf..9f173a2 100644
--- a/lib/ext2fs/inline_data.c
+++ b/lib/ext2fs/inline_data.c
@@ -485,6 +485,10 @@ errcode_t ext2fs_punch_inline_data(ext2_filsys fs, ext2_ino_t ino,
 	void *value;
 	unsigned int inline_size, value_len;
 
+	/* punching hole for inline_data is not supported */
+	if (end != ~0U)
+		return EXT2_ET_OP_NOT_SUPPORTED;
+
 	retval = ext2fs_get_mem(EXT2_INODE_SIZE(fs->super), &inode);
 	if (retval)
 		return retval;