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-rw-r--r--fs/btrfs/subpage.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/btrfs/subpage.h b/fs/btrfs/subpage.h
index 428fa9389fd4..44fff1f4eac4 100644
--- a/fs/btrfs/subpage.h
+++ b/fs/btrfs/subpage.h
@@ -137,6 +137,19 @@ DECLARE_BTRFS_SUBPAGE_OPS(writeback);
DECLARE_BTRFS_SUBPAGE_OPS(ordered);
DECLARE_BTRFS_SUBPAGE_OPS(checked);
+/*
+ * Helper for error cleanup, where a folio will have its dirty flag cleared,
+ * with writeback started and finished.
+ */
+static inline void btrfs_folio_clamp_finish_io(struct btrfs_fs_info *fs_info,
+ struct folio *locked_folio,
+ u64 start, u32 len)
+{
+ btrfs_folio_clamp_clear_dirty(fs_info, locked_folio, start, len);
+ btrfs_folio_clamp_set_writeback(fs_info, locked_folio, start, len);
+ btrfs_folio_clamp_clear_writeback(fs_info, locked_folio, start, len);
+}
+
bool btrfs_subpage_clear_and_test_dirty(const struct btrfs_fs_info *fs_info,
struct folio *folio, u64 start, u32 len);