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bcachefs: Avoid setting j->write_work unnecessarily

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet
2024-01-31 11:24:37 -05:00
parent 656f05d8bd
commit a4e9233911
1 changed files with 11 additions and 13 deletions
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24
fs/bcachefs/journal.c
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@@ -416,9 +416,10 @@ static int journal_entry_open(struct journal *j)
} while ((v = atomic64_cmpxchg(&j->reservations.counter,
old.v, new.v)) != old.v);
mod_delayed_work(j->wq,
&j->write_work,
msecs_to_jiffies(c->opts.journal_flush_delay));
if (nr_unwritten_journal_entries(j) == 1)
mod_delayed_work(j->wq,
&j->write_work,
msecs_to_jiffies(c->opts.journal_flush_delay));
journal_wake(j);
if (j->early_journal_entries.nr)
@@ -443,19 +444,16 @@ static void journal_quiesce(struct journal *j)
static void journal_write_work(struct work_struct *work)
{
struct journal *j = container_of(work, struct journal, write_work.work);
long delta;
spin_lock(&j->lock);
if (!__journal_entry_is_open(j->reservations))
goto unlock;
if (__journal_entry_is_open(j->reservations)) {
long delta = journal_cur_buf(j)->expires - jiffies;
delta = journal_cur_buf(j)->expires - jiffies;
if (delta > 0)
mod_delayed_work(j->wq, &j->write_work, delta);
else
__journal_entry_close(j, JOURNAL_ENTRY_CLOSED_VAL, true);
unlock:
if (delta > 0)
mod_delayed_work(j->wq, &j->write_work, delta);
else
__journal_entry_close(j, JOURNAL_ENTRY_CLOSED_VAL, true);
}
spin_unlock(&j->lock);
}