Since we have two trees for recording pinned extents, we need to go through
both of them to make sure that we've done everything clean.
Signed-off-by: Liu Bo <liubo2009@xxxxxxxxxxxxxx>
---
fs/btrfs/disk-io.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 046a737..144f019 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3548,8 +3548,10 @@ static int btrfs_destroy_pinned_extent(struct btrfs_root *root,
u64 start;
u64 end;
int ret;
+ bool loop = true;
unpin = pinned_extents;
+again:
while (1) {
ret = find_first_extent_bit(unpin, 0, &start, &end,
EXTENT_DIRTY);
@@ -3567,6 +3569,15 @@ static int btrfs_destroy_pinned_extent(struct btrfs_root *root,
cond_resched();
}
+ if (loop) {
+ if (unpin == &root->fs_info->freed_extents[0])
+ unpin = &root->fs_info->freed_extents[1];
+ else
+ unpin = &root->fs_info->freed_extents[0];
+ loop = false;
+ goto again;
+ }
+
return 0;
}
--
1.6.5.2
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