ext4: let fallocate handle inline data correctly

If we are punching hole in a file, we will return ENOTSUPP.
As for the fallocation of some extents, we will convert the
inline data to a normal extent based file first.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 4 insertions, 0 deletions

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 70dc6fc53a00..d45ff3faefc6 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4399,6 +4399,10 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
         if (mode & FALLOC_FL_PUNCH_HOLE)
                 return ext4_punch_hole(file, offset, len);
 
+        ret = ext4_convert_inline_data(inode);
+        if (ret)
+                return ret;
+
         trace_ext4_fallocate_enter(inode, offset, len, mode);
         map.m_lblk = offset >> blkbits;
         /*