aboutsummaryrefslogtreecommitdiffstats
path: root/fs/ext4/super.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r--fs/ext4/super.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 48ce561..0fcf672 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3507,7 +3507,12 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
percpu_counter_set(&sbi->s_dirtyblocks_counter, 0);
no_journal:
- EXT4_SB(sb)->dio_unwritten_wq = create_workqueue("ext4-dio-unwritten");
+ /*
+ * The maximum number of concurrent works can be high and
+ * concurrency isn't really necessary. Limit it to 1.
+ */
+ EXT4_SB(sb)->dio_unwritten_wq =
+ alloc_workqueue("ext4-dio-unwritten", WQ_MEM_RECLAIM, 1);
if (!EXT4_SB(sb)->dio_unwritten_wq) {
printk(KERN_ERR "EXT4-fs: failed to create DIO workqueue\n");
goto failed_mount_wq;