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-rw-r--r--fs/btrfs/ctree.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 82491ba..5e1d4e3 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -784,7 +784,14 @@ struct btrfs_fs_info {
struct list_head dirty_cowonly_roots;
struct btrfs_fs_devices *fs_devices;
+
+ /*
+ * the space_info list is almost entirely read only. It only changes
+ * when we add a new raid type to the FS, and that happens
+ * very rarely. RCU is used to protect it.
+ */
struct list_head space_info;
+
spinlock_t delalloc_lock;
spinlock_t new_trans_lock;
u64 delalloc_bytes;
@@ -1797,6 +1804,8 @@ int btrfs_cleanup_reloc_trees(struct btrfs_root *root);
int btrfs_reloc_clone_csums(struct inode *inode, u64 file_pos, u64 len);
u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags);
void btrfs_set_inode_space_info(struct btrfs_root *root, struct inode *ionde);
+void btrfs_clear_space_info_full(struct btrfs_fs_info *info);
+
int btrfs_check_metadata_free_space(struct btrfs_root *root);
int btrfs_check_data_free_space(struct btrfs_root *root, struct inode *inode,
u64 bytes);
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