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[1/2] btrfs: add separate helper for unlock_extent_cached with GFP_ATOMIC

Message ID 0292929e56c245741cb1ac3ba574a8240391d3af.1513112255.git.dsterba@suse.com (mailing list archive)
State New, archived
Headers show

Commit Message

David Sterba Dec. 12, 2017, 9:01 p.m. UTC 
There's only one instance where we pass different gfp mask to
unlock_extent_cached. Add a separate helper for that and then we can
drop the gfp parameter from unlock_extent_cached.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/extent_io.c | 2 +-
 fs/btrfs/extent_io.h | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 6cd3da16f114..90ecccbf0211 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2492,7 +2492,7 @@  endio_readpage_release_extent(struct extent_io_tree *tree, u64 start, u64 len,
 
 	if (uptodate && tree->track_uptodate)
 		set_extent_uptodate(tree, start, end, &cached, GFP_ATOMIC);
-	unlock_extent_cached(tree, start, end, &cached, GFP_ATOMIC);
+	unlock_extent_cached_atomic(tree, start, end, &cached);
 }
 
 /*
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index db2558b0cad4..978351e8e8dc 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -318,6 +318,13 @@  static inline int unlock_extent_cached(struct extent_io_tree *tree, u64 start,
 				mask, NULL);
 }
 
+static inline int unlock_extent_cached_atomic(struct extent_io_tree *tree,
+		u64 start, u64 end, struct extent_state **cached)
+{
+	return __clear_extent_bit(tree, start, end, EXTENT_LOCKED, 1, 0, cached,
+				GFP_ATOMIC, NULL);
+}
+
 static inline int clear_extent_bits(struct extent_io_tree *tree, u64 start,
 		u64 end, unsigned bits)
 {