[PATCH 4.4 01/44] ext4: prevent right-shifting extents beyond EXT_MAX_BLOCKS

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Eric Biggers commit 349fa7d6e1935f49bf4161c4900711b2989180a9 upstream. During the "insert range" fallocate operation, extents starting at the range offset are shifted

[PATCH 4.4 01/44] ext4: prevent right-shifting extents beyond EXT_MAX_BLOCKS

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Eric Biggers commit 349fa7d6e1935f49bf4161c4900711b2989180a9 upstream. During the "insert range" fallocate operation, extents starting at the range offset are shifted "right" (to a higher file