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authorIngo Molnar <mingo@kernel.org>2019-09-16 14:04:28 +0200
committerIngo Molnar <mingo@kernel.org>2019-09-16 14:05:04 +0200
commit563c4f85f9f0d63b712081d5b4522152cdcb8b6b (patch)
tree92351ab2d60d5fd7ce5745d21c9a60ce6d46c5dd /fs/btrfs/ordered-data.c
parent4adcdcea717cb2d8436bef00dd689aa5bc76f11b (diff)
parent09c7e8b21d67c3c78ab9701dbc0fb1e9f14a0ba5 (diff)
downloadblackbird-op-linux-563c4f85f9f0d63b712081d5b4522152cdcb8b6b.tar.gz
blackbird-op-linux-563c4f85f9f0d63b712081d5b4522152cdcb8b6b.zip
Merge branch 'sched/rt' into sched/core, to pick up -rt changes
Pick up the first couple of patches working towards PREEMPT_RT. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/btrfs/ordered-data.c')
-rw-r--r--fs/btrfs/ordered-data.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 1744ba8b2754..ae7f64a8facb 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -985,13 +985,14 @@ void btrfs_lock_and_flush_ordered_range(struct extent_io_tree *tree,
struct extent_state **cached_state)
{
struct btrfs_ordered_extent *ordered;
- struct extent_state *cachedp = NULL;
+ struct extent_state *cache = NULL;
+ struct extent_state **cachedp = &cache;
if (cached_state)
- cachedp = *cached_state;
+ cachedp = cached_state;
while (1) {
- lock_extent_bits(tree, start, end, &cachedp);
+ lock_extent_bits(tree, start, end, cachedp);
ordered = btrfs_lookup_ordered_range(inode, start,
end - start + 1);
if (!ordered) {
@@ -1001,10 +1002,10 @@ void btrfs_lock_and_flush_ordered_range(struct extent_io_tree *tree,
* aren't exposing it outside of this function
*/
if (!cached_state)
- refcount_dec(&cachedp->refs);
+ refcount_dec(&cache->refs);
break;
}
- unlock_extent_cached(tree, start, end, &cachedp);
+ unlock_extent_cached(tree, start, end, cachedp);
btrfs_start_ordered_extent(&inode->vfs_inode, ordered, 1);
btrfs_put_ordered_extent(ordered);
}
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