X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_iomap.c;h=38e633bad8c2a2c919d1b1c9a4b9bda1d24d2ec4;hb=f46c5818b1570f58b1b7dc69e49060a6b9a1ac94;hp=ccb1dd0d509ef8f9d50f1fb0d51e6c4fe6712237;hpb=f9de73426c69ec3357c31a10af5f5acb037dbbaa;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index ccb1dd0d509e..38e633bad8c2 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -460,8 +460,7 @@ xfs_iomap_prealloc_size(
 	alloc_blocks = XFS_FILEOFF_MIN(roundup_pow_of_two(MAXEXTLEN),
 				       alloc_blocks);
 
-	xfs_icsb_sync_counters(mp, XFS_ICSB_LAZY_COUNT);
-	freesp = mp->m_sb.sb_fdblocks;
+	freesp = percpu_counter_read_positive(&mp->m_fdblocks);
 	if (freesp < mp->m_low_space[XFS_LOWSP_5_PCNT]) {
 		shift = 2;
 		if (freesp < mp->m_low_space[XFS_LOWSP_4_PCNT])