UBIFS: re-calculate min_idx_size after the commit

When we commit, but before we try to write anything to the flash
media, @c->min_idx_size is inaccurate, because we do not re-calculate
it after the commit. Do not forget to do this.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

diff --git a/fs/ubifs/tnc_commit.c b/fs/ubifs/tnc_commit.c
index 3c0af45..fde8d12 100644 (file)
--- a/fs/ubifs/tnc_commit.c
+++ b/fs/ubifs/tnc_commit.c
@@ -802,8 +802,10 @@ int ubifs_tnc_start_commit(struct ubifs_info *c, struct ubifs_zbranch *zroot)
         * budgeting subsystem to assume the index is already committed,
         * even though it is not.
         */
+       ubifs_assert(c->min_idx_lebs == ubifs_calc_min_idx_lebs(c));
        c->old_idx_sz = c->calc_idx_sz;
        c->budg_uncommitted_idx = 0;
+       c->min_idx_lebs = ubifs_calc_min_idx_lebs(c);
        spin_unlock(&c->space_lock);
        mutex_unlock(&c->tnc_mutex);