Btrfs: consolidate btrfs_error() to btrfs_std_error()

[cascardo/linux.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index aac314e..a86051e 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1300,7 +1300,7 @@ struct btrfs_block_group_cache {
        /* for raid56, this is a full stripe, without parity */
        unsigned long full_stripe_len;
 
-       unsigned int ro:1;
+       unsigned int ro;
        unsigned int iref:1;
        unsigned int has_caching_ctl:1;
        unsigned int removed:1;
@@ -1518,12 +1518,6 @@ struct btrfs_fs_info {
         */
        struct mutex ordered_operations_mutex;
 
-       /*
-        * Same as ordered_operations_mutex except this is for ordered extents
-        * and not the operations.
-        */
-       struct mutex ordered_extent_flush_mutex;
-
        struct rw_semaphore commit_root_sem;
 
        struct rw_semaphore cleanup_work_sem;
@@ -3437,6 +3431,8 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
                             struct btrfs_root *root, u64 group_start,
                             struct extent_map *em);
 void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info);
+void btrfs_get_block_group_trimming(struct btrfs_block_group_cache *cache);
+void btrfs_put_block_group_trimming(struct btrfs_block_group_cache *cache);
 void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans,
                                       struct btrfs_root *root);
 u64 btrfs_get_alloc_profile(struct btrfs_root *root, int data);
@@ -3495,9 +3491,9 @@ int btrfs_cond_migrate_bytes(struct btrfs_fs_info *fs_info,
 void btrfs_block_rsv_release(struct btrfs_root *root,
                             struct btrfs_block_rsv *block_rsv,
                             u64 num_bytes);
-int btrfs_set_block_group_ro(struct btrfs_root *root,
+int btrfs_inc_block_group_ro(struct btrfs_root *root,
                             struct btrfs_block_group_cache *cache);
-void btrfs_set_block_group_rw(struct btrfs_root *root,
+void btrfs_dec_block_group_ro(struct btrfs_root *root,
                              struct btrfs_block_group_cache *cache);
 void btrfs_put_block_group_cache(struct btrfs_fs_info *info);
 u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo);
@@ -4008,8 +4004,8 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans,
 /* sysfs.c */
 int btrfs_init_sysfs(void);
 void btrfs_exit_sysfs(void);
-int btrfs_sysfs_add_one(struct btrfs_fs_info *fs_info);
-void btrfs_sysfs_remove_one(struct btrfs_fs_info *fs_info);
+int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info);
+void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info);
 
 /* xattr.c */
 ssize_t btrfs_listxattr(struct dentry *dentry, char *buffer, size_t size);
@@ -4073,6 +4069,7 @@ __cold
 void __btrfs_std_error(struct btrfs_fs_info *fs_info, const char *function,
                     unsigned int line, int errno, const char *fmt, ...);
 
+const char *btrfs_decode_error(int errno);
 
 __cold
 void __btrfs_abort_transaction(struct btrfs_trans_handle *trans,
@@ -4130,14 +4127,7 @@ do {                                                             \
                                  __LINE__, (errno));           \
 } while (0)
 
-#define btrfs_std_error(fs_info, errno)                                \
-do {                                                           \
-       if ((errno))                                            \
-               __btrfs_std_error((fs_info), __func__,          \
-                                  __LINE__, (errno), NULL);    \
-} while (0)
-
-#define btrfs_error(fs_info, errno, fmt, args...)              \
+#define btrfs_std_error(fs_info, errno, fmt, args...)          \
 do {                                                           \
        __btrfs_std_error((fs_info), __func__, __LINE__,        \
                          (errno), fmt, ##args);                \
@@ -4185,8 +4175,7 @@ int btrfs_reloc_clone_csums(struct inode *inode, u64 file_pos, u64 len);
 int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,
                          struct btrfs_root *root, struct extent_buffer *buf,
                          struct extent_buffer *cow);
-void btrfs_reloc_pre_snapshot(struct btrfs_trans_handle *trans,
-                             struct btrfs_pending_snapshot *pending,
+void btrfs_reloc_pre_snapshot(struct btrfs_pending_snapshot *pending,
                              u64 *bytes_to_reserve);
 int btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans,
                              struct btrfs_pending_snapshot *pending);