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Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r--fs/btrfs/ctree.h30
1 files changed, 22 insertions, 8 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 365c4e1dde04..0469263e327e 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2406,8 +2406,8 @@ int btrfs_find_last_root(struct btrfs_root *root, u64 objectid, struct
btrfs_root_item *item, struct btrfs_key *key);
int btrfs_find_dead_roots(struct btrfs_root *root, u64 objectid);
int btrfs_find_orphan_roots(struct btrfs_root *tree_root);
-int btrfs_set_root_node(struct btrfs_root_item *item,
- struct extent_buffer *node);
+void btrfs_set_root_node(struct btrfs_root_item *item,
+ struct extent_buffer *node);
void btrfs_check_and_init_root_item(struct btrfs_root_item *item);
/* dir-item.c */
@@ -2523,6 +2523,14 @@ struct extent_map *btrfs_get_extent_fiemap(struct inode *inode, struct page *pag
#define PageChecked PageFsMisc
#endif
+/* This forces readahead on a given range of bytes in an inode */
+static inline void btrfs_force_ra(struct address_space *mapping,
+ struct file_ra_state *ra, struct file *file,
+ pgoff_t offset, unsigned long req_size)
+{
+ page_cache_sync_readahead(mapping, ra, file, offset, req_size);
+}
+
struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry);
int btrfs_set_inode_index(struct inode *dir, u64 *index);
int btrfs_unlink_inode(struct btrfs_trans_handle *trans,
@@ -2551,9 +2559,6 @@ int btrfs_create_subvol_root(struct btrfs_trans_handle *trans,
int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
size_t size, struct bio *bio, unsigned long bio_flags);
-unsigned long btrfs_force_ra(struct address_space *mapping,
- struct file_ra_state *ra, struct file *file,
- pgoff_t offset, pgoff_t last_index);
int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);
int btrfs_readpage(struct file *file, struct page *page);
void btrfs_evict_inode(struct inode *inode);
@@ -2648,12 +2653,21 @@ do { \
/* acl.c */
#ifdef CONFIG_BTRFS_FS_POSIX_ACL
struct posix_acl *btrfs_get_acl(struct inode *inode, int type);
-#else
-#define btrfs_get_acl NULL
-#endif
int btrfs_init_acl(struct btrfs_trans_handle *trans,
struct inode *inode, struct inode *dir);
int btrfs_acl_chmod(struct inode *inode);
+#else
+#define btrfs_get_acl NULL
+static inline int btrfs_init_acl(struct btrfs_trans_handle *trans,
+ struct inode *inode, struct inode *dir)
+{
+ return 0;
+}
+static inline int btrfs_acl_chmod(struct inode *inode)
+{
+ return 0;
+}
+#endif
/* relocation.c */
int btrfs_relocate_block_group(struct btrfs_root *root, u64 group_start);