On Thu, Jul 03, 2025 at 04:21:30PM +0800, Yuwen Chen wrote: > On the Android system, the file creation operation will call > the f2fs_lookup function. When there are too many files in a > directory, the generic_ci_match operation will be called > repeatedly in large quantities. In extreme cases, the file > creation speed will drop to three times per second. This files to explain what you are changing in detail, and why (except for the very highlevel problem statement here). > > Signed-off-by: Yuwen Chen <ywen.chen@xxxxxxxxxxx> > --- > fs/ext4/namei.c | 2 +- > fs/f2fs/dir.c | 24 +++++++++++++++++------- > fs/f2fs/f2fs.h | 3 ++- > fs/f2fs/inline.c | 3 ++- > fs/libfs.c | 32 +++++++++++++++++++++++++++++--- > include/linux/fs.h | 8 +++++++- Also please split generic infrastructure changes from f2fs ones.
