f2fs: detect wrong layout
authorJaegeuk Kim <jaegeuk@kernel.org>
Mon, 5 Dec 2016 21:56:04 +0000 (13:56 -0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Wed, 7 Dec 2016 22:37:33 +0000 (14:37 -0800)
commit2040fce83fe17763b07c97c1f691da2bb85e4135
tree6a66cbd00dbefb98febc214b849b235ec91d0131
parentf455c8a5f0a24090e99249eb7280012376adec2c
f2fs: detect wrong layout

Previous mkfs.f2fs allows small partition inappropriately, so f2fs should detect
that as well.

Refer this in f2fs-tools.

mkfs.f2fs: detect small partition by overprovision ratio and # of segments

Reported-and-Tested-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/segment.h
fs/f2fs/super.c