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authorNick Desaulniers <ndesaulniers@google.com>2016-07-18 12:45:17 -0700
committerMoyster <oysterized@gmail.com>2016-11-07 13:44:29 +0100
commita4a6ce26710cc2abb5a2560d410608c2f0ee9c90 (patch)
treefe94ce50e55c51cc5adb8351b0ffb0d68ad67fc5
parent2f0e9a71b74fdaa06e33a50d0e6c3d7ec02c03e0 (diff)
fs: ext4: disable support for fallocate FALLOC_FL_PUNCH_HOLE
Bug: 28760453 Change-Id: I019c2de559db9e4b95860ab852211b456d78c4ca Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> (cherry picked from commit eb0c8de6ef9ec336f88ee49c4c37226f03089e9c)
-rw-r--r--fs/ext4/inode.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 7079935c2..5ee08a717 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3642,6 +3642,7 @@ int ext4_can_truncate(struct inode *inode)
int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
{
+#if 0
struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
ext4_lblk_t first_block, stop_block;
@@ -3827,6 +3828,12 @@ out_dio:
out_mutex:
mutex_unlock(&inode->i_mutex);
return ret;
+#else
+ /*
+ * Disabled as per b/28760453
+ */
+ return -EOPNOTSUPP;
+#endif
}
/*