tree c1b4ceed96d58f999d2d5c2725bd0429d876756a
parent a125702326d9c3b753fe9c9b9727d3b3dd1cba4a
author Jaegeuk Kim <jaegeuk@kernel.org> 1444246121 -0700
committer Jaegeuk Kim <jaegeuk@kernel.org> 1444682282 -0700

f2fs: fix SSA updates resulting in corruption

The f2fs_collapse_range and f2fs_insert_range changes the block addresses
directly. But that can cause uncovered SSA updates.
In that case, we need to give up to change the block addresses and do buffered
writes to keep filesystem consistency.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>