diff options
| -rw-r--r-- | fs/quota/dquot.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 0393581fe1a3..93adcdd6a260 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -381,12 +381,15 @@ static inline void dqput_all(struct dquot **dquot) dqput(dquot[cnt]); } -/* This function needs dq_list_lock */ static inline int clear_dquot_dirty(struct dquot *dquot) { - if (!test_and_clear_bit(DQ_MOD_B, &dquot->dq_flags)) + spin_lock(&dq_list_lock); + if (!test_and_clear_bit(DQ_MOD_B, &dquot->dq_flags)) { + spin_unlock(&dq_list_lock); return 0; + } list_del_init(&dquot->dq_dirty); + spin_unlock(&dq_list_lock); return 1; } @@ -451,12 +454,8 @@ int dquot_commit(struct dquot *dquot) struct quota_info *dqopt = sb_dqopt(dquot->dq_sb); mutex_lock(&dquot->dq_lock); - spin_lock(&dq_list_lock); - if (!clear_dquot_dirty(dquot)) { - spin_unlock(&dq_list_lock); + if (!clear_dquot_dirty(dquot)) goto out_lock; - } - spin_unlock(&dq_list_lock); /* Inactive dquot can be only if there was error during read/init * => we have better not writing it */ if (test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) @@ -772,9 +771,7 @@ we_slept: * We clear dirty bit anyway, so that we avoid * infinite loop here */ - spin_lock(&dq_list_lock); clear_dquot_dirty(dquot); - spin_unlock(&dq_list_lock); } goto we_slept; } |