UBIFS: commit on sync_fs
Commit the journal when the FS is sync'ed. This will make
statfs provide better free space report. And we anyway
advice our users to sync the FS if they want better statfs
report.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index dae1c62..7e1f3ef 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -418,6 +418,7 @@
{
struct ubifs_info *c = sb->s_fs_info;
int i, ret = 0, err;
+ long long bud_bytes;
if (c->jheads)
for (i = 0; i < c->jhead_cnt; i++) {
@@ -425,6 +426,17 @@
if (err && !ret)
ret = err;
}
+
+ /* Commit the journal unless it has too few data */
+ spin_lock(&c->buds_lock);
+ bud_bytes = c->bud_bytes;
+ spin_unlock(&c->buds_lock);
+ if (bud_bytes > c->leb_size) {
+ err = ubifs_run_commit(c);
+ if (err)
+ return err;
+ }
+
/*
* We ought to call sync for c->ubi but it does not have one. If it had
* it would in turn call mtd->sync, however mtd operations are