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-rw-r--r--fs/ext4/mballoc.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index e29fce2fbf25..e2248083cdca 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4915,9 +4915,17 @@ do_more:
&sbi->s_flex_groups[flex_group].free_clusters);
}
- if (!(flags & EXT4_FREE_BLOCKS_NO_QUOT_UPDATE))
- dquot_free_block(inode, EXT4_C2B(sbi, count_clusters));
- percpu_counter_add(&sbi->s_freeclusters_counter, count_clusters);
+ /*
+ * on a bigalloc file system, defer the s_freeclusters_counter
+ * update to the caller (ext4_remove_space and friends) so they
+ * can determine if a cluster freed here should be rereserved
+ */
+ if (!(flags & EXT4_FREE_BLOCKS_RERESERVE_CLUSTER)) {
+ if (!(flags & EXT4_FREE_BLOCKS_NO_QUOT_UPDATE))
+ dquot_free_block(inode, EXT4_C2B(sbi, count_clusters));
+ percpu_counter_add(&sbi->s_freeclusters_counter,
+ count_clusters);
+ }
ext4_mb_unload_buddy(&e4b);