Daniel Lee
0ea221d236
This commit introduces a new read-only sysfs entry at /sys/fs/f2fs/<device>/effective_lookup_mode. This entry displays the actual directory lookup mode F2FS is currently using. This is needed for debugging and verification, as the behavior is determined by both on-disk flags and mount options. Bug: 432807936 (cherry picked from commit 1bd119da0b93d6d61891edf2b9d036800aba687f https: //git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev) Link: https://lore.kernel.org/linux-f2fs-devel/20250805065228.1473089-1-chullee@google.com/ Change-Id: Iabb9548bb9f73ef42d46ed0506a0372ec37e75d8 [chullee: resolved merge conflicts in the document] Signed-off-by: Daniel Lee <chullee@google.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>