fs: ext4: disable support for fallocate FALLOC_FL_PUNCH_HOLE
Bug: 28760453
Change-Id: I019c2de559db9e4b95860ab852211b456d78c4ca
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Git-repo: https://android.googlesource.com/kernel/msm.git
Git-commit: 8cdac916476ae01959b559a0dfae9f8b155fc9f3
Signed-off-by: Dennis Cagle <d-cagle@codeaurora.org>
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 42723b2..3300cdb 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3979,6 +3979,7 @@
int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
{
+#if 0
struct super_block *sb = inode->i_sb;
ext4_lblk_t first_block, stop_block;
struct address_space *mapping = inode->i_mapping;
@@ -4107,6 +4108,12 @@
out_mutex:
inode_unlock(inode);
return ret;
+#else
+ /*
+ * Disabled as per b/28760453
+ */
+ return -EOPNOTSUPP;
+#endif
}
int ext4_inode_attach_jinode(struct inode *inode)