ext4: add fast_commit feature and handling for extended mount options
authorHarshad Shirwadkar <harshadshirwadkar@gmail.com>
Thu, 15 Oct 2020 20:37:54 +0000 (13:37 -0700)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 22 Oct 2020 03:22:26 +0000 (23:22 -0400)
commit995a3ed67fc8c0e3301a770016fb66f1bbf15ec8
treeaf8c37a9fed1588a0465a0784e32e87915d49f81
parentf5b8b297b04208e101c1f92fe804cd4e66df30e8
ext4: add fast_commit feature and handling for extended mount options

We are running out of mount option bits. Add handling for using
s_mount_opt2. Add ext4 and jbd2 fast commit feature flag and also add
ability to turn off the fast commit feature in Ext4.

Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201015203802.3597742-3-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/ext4.h
fs/ext4/super.c
include/linux/jbd2.h