[PATCH AUTOSEL 4.4 13/30] gfs2: Don't reject a supposedly full bitmap if we have blocks reserved

From: Bob Peterson [ Upstream commit e79e0e1428188b24c3b57309ffa54a33c4ae40c4 ] Before this patch, you could get into situations like this: 1. Process 1 searches for X free blocks, finds them, makes a reservation 2. Process 2 searches for free blocks in the same rgrp, but now the bitmap is

[PATCH AUTOSEL 4.4 13/30] gfs2: Don't reject a supposedly full bitmap if we have blocks reserved

From: Bob Peterson [ Upstream commit e79e0e1428188b24c3b57309ffa54a33c4ae40c4 ] Before this patch, you could get into situations like this: 1. Process 1 searches for X free blocks, finds them, makes a reservation 2. Process 2 searches for free blocks in the same rgrp, but now the bitmap is