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-rw-r--r--fs/btrfs/discard.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/fs/btrfs/discard.c b/fs/btrfs/discard.c
index 36431d7e1334..d641f451f840 100644
--- a/fs/btrfs/discard.c
+++ b/fs/btrfs/discard.c
@@ -477,13 +477,6 @@ static void btrfs_discard_workfn(struct work_struct *work)
discard_ctl->discard_extent_bytes += trimmed;
}
- /*
- * Updated without locks as this is inside the workfn and nothing else
- * is reading the values
- */
- discard_ctl->prev_discard = trimmed;
- discard_ctl->prev_discard_time = ktime_get_ns();
-
/* Determine next steps for a block_group */
if (block_group->discard_cursor >= btrfs_block_group_end(block_group)) {
if (discard_state == BTRFS_DISCARD_BITMAPS) {
@@ -499,7 +492,10 @@ static void btrfs_discard_workfn(struct work_struct *work)
}
}
+ now = ktime_get_ns();
spin_lock(&discard_ctl->lock);
+ discard_ctl->prev_discard = trimmed;
+ discard_ctl->prev_discard_time = now;
discard_ctl->block_group = NULL;
spin_unlock(&discard_ctl->lock);