@@ -336,6 +336,11 @@ static void wait_on_dquot(struct dquot *dquot)
mutex_unlock(&dquot->dq_lock);
}
+static inline int dquot_active(struct dquot *dquot)
+{
+ return test_bit(DQ_ACTIVE_B, &dquot->dq_flags);
+}
+
static inline int dquot_dirty(struct dquot *dquot)
{
return test_bit(DQ_MOD_B, &dquot->dq_flags);
@@ -351,14 +356,14 @@ int dquot_mark_dquot_dirty(struct dquot *dquot)
{
int ret = 1;
- if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags))
+ if (!dquot_active(dquot))
return 0;
if (sb_dqopt(dquot->dq_sb)->flags & DQUOT_NOLIST_DIRTY)
return test_and_set_bit(DQ_MOD_B, &dquot->dq_flags);
/* If quota is dirty already, we don't have to acquire dq_list_lock */
- if (test_bit(DQ_MOD_B, &dquot->dq_flags))
+ if (dquot_dirty(dquot))
return 1;
spin_lock(&dq_list_lock);
@@ -440,7 +445,7 @@ int dquot_acquire(struct dquot *dquot)
smp_mb__before_atomic();
set_bit(DQ_READ_B, &dquot->dq_flags);
/* Instantiate dquot if needed */
- if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags) && !dquot->dq_off) {
+ if (!dquot_active(dquot) && !dquot->dq_off) {
ret = dqopt->ops[dquot->dq_id.type]->commit_dqblk(dquot);
/* Write the info if needed */
if (info_dirty(&dqopt->info[dquot->dq_id.type])) {
@@ -482,7 +487,7 @@ int dquot_commit(struct dquot *dquot)
goto out_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))
+ if (dquot_active(dquot))
ret = dqopt->ops[dquot->dq_id.type]->commit_dqblk(dquot);
else
ret = -EIO;
@@ -597,7 +602,7 @@ int dquot_scan_active(struct super_block *sb,
spin_lock(&dq_list_lock);
list_for_each_entry(dquot, &inuse_list, dq_inuse) {
- if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags))
+ if (!dquot_active(dquot))
continue;
if (dquot->dq_sb != sb)
continue;
@@ -612,7 +617,7 @@ int dquot_scan_active(struct super_block *sb,
* outstanding call and recheck the DQ_ACTIVE_B after that.
*/
wait_on_dquot(dquot);
- if (test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) {
+ if (dquot_active(dquot)) {
ret = fn(dquot, priv);
if (ret < 0)
goto out;
@@ -663,7 +668,7 @@ int dquot_writeback_dquots(struct super_block *sb, int type)
dquot = list_first_entry(&dirty, struct dquot,
dq_dirty);
- WARN_ON(!test_bit(DQ_ACTIVE_B, &dquot->dq_flags));
+ WARN_ON(!dquot_active(dquot));
/* Now we have active dquot from which someone is
* holding reference so we can safely just increase
@@ -800,7 +805,7 @@ void dqput(struct dquot *dquot)
dquot_write_dquot(dquot);
goto we_slept;
}
- if (test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) {
+ if (dquot_active(dquot)) {
spin_unlock(&dq_list_lock);
dquot->dq_sb->dq_op->release_dquot(dquot);
goto we_slept;
@@ -901,7 +906,7 @@ struct dquot *dqget(struct super_block *sb, struct kqid qid)
* already finished or it will be canceled due to dq_count > 1 test */
wait_on_dquot(dquot);
/* Read the dquot / allocate space in quota file */
- if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) {
+ if (!dquot_active(dquot)) {
int err;
err = sb->dq_op->acquire_dquot(dquot);
Add new helper function dquot_active() to make the code more concise. Signed-off-by: Baokun Li <libaokun1@huawei.com> --- V2->V3: No change. fs/quota/dquot.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-)