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-rw-r--r--fs/ubifs/super.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 0d7564b95f8e..89556ee72518 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -432,12 +432,19 @@ static int ubifs_sync_fs(struct super_block *sb, int wait)
int i, err;
struct ubifs_info *c = sb->s_fs_info;
struct writeback_control wbc = {
- .sync_mode = wait ? WB_SYNC_ALL : WB_SYNC_HOLD,
+ .sync_mode = wait ? WB_SYNC_ALL : WB_SYNC_NONE,
.range_start = 0,
.range_end = LLONG_MAX,
.nr_to_write = LONG_MAX,
};
+ /*
+ * Note by akpm about WB_SYNC_NONE used above: zero @wait is just an
+ * advisory thing to help the file system shove lots of data into the
+ * queues. If some gets missed then it'll be picked up on the second
+ * '->sync_fs()' call, with non-zero @wait.
+ */
+
if (sb->s_flags & MS_RDONLY)
return 0;