summaryrefslogtreecommitdiff
path: root/fs/xfs/xfs_zone_gc.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/xfs_zone_gc.c')
-rw-r--r--fs/xfs/xfs_zone_gc.c81
1 files changed, 46 insertions, 35 deletions
diff --git a/fs/xfs/xfs_zone_gc.c b/fs/xfs/xfs_zone_gc.c
index 064cd1a857a0..109877d9a6bf 100644
--- a/fs/xfs/xfs_zone_gc.c
+++ b/fs/xfs/xfs_zone_gc.c
@@ -491,21 +491,6 @@ xfs_zone_gc_select_victim(
struct xfs_rtgroup *victim_rtg = NULL;
unsigned int bucket;
- if (xfs_is_shutdown(mp))
- return false;
-
- if (iter->victim_rtg)
- return true;
-
- /*
- * Don't start new work if we are asked to stop or park.
- */
- if (kthread_should_stop() || kthread_should_park())
- return false;
-
- if (!xfs_zoned_need_gc(mp))
- return false;
-
spin_lock(&zi->zi_used_buckets_lock);
for (bucket = 0; bucket < XFS_ZONE_USED_BUCKETS; bucket++) {
victim_rtg = xfs_zone_gc_pick_victim_from(mp, bucket);
@@ -975,6 +960,27 @@ xfs_zone_gc_reset_zones(
} while (next);
}
+static bool
+xfs_zone_gc_should_start_new_work(
+ struct xfs_zone_gc_data *data)
+{
+ if (xfs_is_shutdown(data->mp))
+ return false;
+ if (!xfs_zone_gc_space_available(data))
+ return false;
+
+ if (!data->iter.victim_rtg) {
+ if (kthread_should_stop() || kthread_should_park())
+ return false;
+ if (!xfs_zoned_need_gc(data->mp))
+ return false;
+ if (!xfs_zone_gc_select_victim(data))
+ return false;
+ }
+
+ return true;
+}
+
/*
* Handle the work to read and write data for GC and to reset the zones,
* including handling all completions.
@@ -982,7 +988,7 @@ xfs_zone_gc_reset_zones(
* Note that the order of the chunks is preserved so that we don't undo the
* optimal order established by xfs_zone_gc_query().
*/
-static bool
+static void
xfs_zone_gc_handle_work(
struct xfs_zone_gc_data *data)
{
@@ -996,30 +1002,22 @@ xfs_zone_gc_handle_work(
zi->zi_reset_list = NULL;
spin_unlock(&zi->zi_reset_list_lock);
- if (!xfs_zone_gc_select_victim(data) ||
- !xfs_zone_gc_space_available(data)) {
- if (list_empty(&data->reading) &&
- list_empty(&data->writing) &&
- list_empty(&data->resetting) &&
- !reset_list)
- return false;
- }
-
- __set_current_state(TASK_RUNNING);
- try_to_freeze();
-
- if (reset_list)
+ if (reset_list) {
+ set_current_state(TASK_RUNNING);
xfs_zone_gc_reset_zones(data, reset_list);
+ }
list_for_each_entry_safe(chunk, next, &data->resetting, entry) {
if (READ_ONCE(chunk->state) != XFS_GC_BIO_DONE)
break;
+ set_current_state(TASK_RUNNING);
xfs_zone_gc_finish_reset(chunk);
}
list_for_each_entry_safe(chunk, next, &data->writing, entry) {
if (READ_ONCE(chunk->state) != XFS_GC_BIO_DONE)
break;
+ set_current_state(TASK_RUNNING);
xfs_zone_gc_finish_chunk(chunk);
}
@@ -1027,15 +1025,18 @@ xfs_zone_gc_handle_work(
list_for_each_entry_safe(chunk, next, &data->reading, entry) {
if (READ_ONCE(chunk->state) != XFS_GC_BIO_DONE)
break;
+ set_current_state(TASK_RUNNING);
xfs_zone_gc_write_chunk(chunk);
}
blk_finish_plug(&plug);
- blk_start_plug(&plug);
- while (xfs_zone_gc_start_chunk(data))
- ;
- blk_finish_plug(&plug);
- return true;
+ if (xfs_zone_gc_should_start_new_work(data)) {
+ set_current_state(TASK_RUNNING);
+ blk_start_plug(&plug);
+ while (xfs_zone_gc_start_chunk(data))
+ ;
+ blk_finish_plug(&plug);
+ }
}
/*
@@ -1059,8 +1060,18 @@ xfs_zoned_gcd(
for (;;) {
set_current_state(TASK_INTERRUPTIBLE | TASK_FREEZABLE);
xfs_set_zonegc_running(mp);
- if (xfs_zone_gc_handle_work(data))
+
+ xfs_zone_gc_handle_work(data);
+
+ /*
+ * Only sleep if nothing set the state to running. Else check for
+ * work again as someone might have queued up more work and woken
+ * us in the meantime.
+ */
+ if (get_current_state() == TASK_RUNNING) {
+ try_to_freeze();
continue;
+ }
if (list_empty(&data->reading) &&
list_empty(&data->writing) &&