Btrfs: constify dentry_operations

[safe/jmp/linux-2.6] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index dbdada5..36a19cd 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -691,17 +691,17 @@ struct btrfs_space_info {
 
        struct list_head list;
 
+       /* for controlling how we free up space for allocations */
+       wait_queue_head_t allocate_wait;
+       wait_queue_head_t flush_wait;
+       int allocating_chunk;
+       int flushing;
+
        /* for block groups in our same type */
        struct list_head block_groups;
        spinlock_t lock;
        struct rw_semaphore groups_sem;
        atomic_t caching_threads;
-
-       int allocating_chunk;
-       wait_queue_head_t wait;
-
-       int flushing;
-       wait_queue_head_t flush_wait;
 };
 
 /*
@@ -918,6 +918,7 @@ struct btrfs_fs_info {
        struct btrfs_workers endio_meta_write_workers;
        struct btrfs_workers endio_write_workers;
        struct btrfs_workers submit_workers;
+       struct btrfs_workers enospc_workers;
        /*
         * fixup workers take dirty pages that didn't properly go through
         * the cow mechanism and make them safe to write.  It happens
@@ -1009,6 +1010,8 @@ struct btrfs_root {
        atomic_t log_commit[2];
        unsigned long log_transid;
        unsigned long log_batch;
+       pid_t log_start_pid;
+       bool log_multiple_pids;
 
        u64 objectid;
        u64 last_trans;
@@ -2327,7 +2330,7 @@ int btrfs_orphan_del(struct btrfs_trans_handle *trans, struct inode *inode);
 void btrfs_orphan_cleanup(struct btrfs_root *root);
 int btrfs_cont_expand(struct inode *inode, loff_t size);
 int btrfs_invalidate_inodes(struct btrfs_root *root);
-extern struct dentry_operations btrfs_dentry_operations;
+extern const struct dentry_operations btrfs_dentry_operations;
 
 /* ioctl.c */
 long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);