ocfs2: Reserve 1 more cluster in expanding_inline_dir for indexed dir.
ocfs2: Reserve 1 more cluster in expanding_inline_dir for indexed dir.

In ocfs2_expand_inline_dir, we calculate whether we need 1 extra
cluster if we can't store the dx inline the root and save it in
dx_alloc. So add it when we call ocfs2_reserve_clusters.

Signed-off-by: Tao Ma <0490dca64807924fd58df0b0ee32b99ba7004a61@oracle.com>
Signed-off-by: Mark Fasheh <8f0bc92cac940f3e83deb53ced7a1f201bce5732@suse.com>

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