BACKPORT: f2fs: sanity check log_blocks_per_seg
f2fs currently only supports 4KB block size and 2MB segment size.
Sanity check log_blocks_per_seg == 9, i.e. 2MB/4KB = (1 << 9)
Partially
(cherry-picked from commit 9a59b62fd88196844cee5fff851bee2cfd7afb6e)
f2fs: do more integrity verification for superblock
Do more sanity check for superblock during ->mount.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Bug: 36817013
Signed-off-by: Jin Qian <jinqian@google.com>
(cherry picked from commit 98423462286e5d73c6dc1c215b3173833f91271d)
Signed-off-by: Bernie Thompson <bhthompson@google.com>
BUG=b:64448309
TEST=None
Change-Id: I0be52e54fba82083068337ceb9f7ad985a87319f
Reviewed-on: https://chromium-review.googlesource.com/625057
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Commit-Queue: Bernie Thompson <bhthompson@chromium.org>
Tested-by: Bernie Thompson <bhthompson@chromium.org>
1 file changed
