[PATCH] ext4: fix credit calculation in ext4_ext_calc_credits_for_insert
[PATCH] ext4: fix credit calculation in ext4_ext_calc_credits_for_insert

Fix a nit in ext4_ext_calc_credits_for_insert().  Besides, credits for the
new root are already added in the index split accounting.

Signed-off-by: Johann Lombardi <ea3b341c05f4fbc48dcf990d0a867085209b1dda@bull.net>
Signed-off-by: Alex Tomas <60c6d277a8bd81de7fdde19201bf9c58a3df08f4@clusterfs.com>
Cc: <1269efedfb983ffa0fcddcd77de5cd0e558a37da@vger.kernel.org>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@osdl.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@osdl.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas