Kernfs performance optimization. Hou Tao (1): kernfs: also call kernfs_set_rev() for positive dentry Ian Kent (6): kernfs: add a revision to identify directory node changes kernfs: use VFS negative dentry caching kernfs: switch kernfs to use an rwsem kernfs: use i_lock to protect concurrent inode updates kernfs: dont call d_splice_alias() under kernfs node lock kernfs: don't create a negative dentry if inactive node exists fs/kernfs/dir.c | 165 +++++++++++++++++++++--------------- fs/kernfs/file.c | 4 +- fs/kernfs/inode.c | 25 ++++-- fs/kernfs/kernfs-internal.h | 24 +++++- fs/kernfs/mount.c | 12 +-- fs/kernfs/symlink.c | 4 +- include/linux/kernfs.h | 7 +- 7 files changed, 150 insertions(+), 91 deletions(-) -- 2.39.2