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Diffstat (limited to 'fs/btrfs/extent_map.h')
-rw-r--r--fs/btrfs/extent_map.h47
1 files changed, 24 insertions, 23 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index cd123b266b64..d4b81ee4d97b 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -108,8 +108,8 @@ struct extent_map_tree {
struct btrfs_inode;
-static inline void extent_map_set_compression(struct extent_map *em,
- enum btrfs_compression_type type)
+static inline void btrfs_extent_map_set_compression(struct extent_map *em,
+ enum btrfs_compression_type type)
{
if (type == BTRFS_COMPRESS_ZLIB)
em->flags |= EXTENT_FLAG_COMPRESS_ZLIB;
@@ -119,7 +119,8 @@ static inline void extent_map_set_compression(struct extent_map *em,
em->flags |= EXTENT_FLAG_COMPRESS_ZSTD;
}
-static inline enum btrfs_compression_type extent_map_compression(const struct extent_map *em)
+static inline enum btrfs_compression_type btrfs_extent_map_compression(
+ const struct extent_map *em)
{
if (em->flags & EXTENT_FLAG_COMPRESS_ZLIB)
return BTRFS_COMPRESS_ZLIB;
@@ -137,50 +138,50 @@ static inline enum btrfs_compression_type extent_map_compression(const struct ex
* More efficient way to determine if extent is compressed, instead of using
* 'extent_map_compression() != BTRFS_COMPRESS_NONE'.
*/
-static inline bool extent_map_is_compressed(const struct extent_map *em)
+static inline bool btrfs_extent_map_is_compressed(const struct extent_map *em)
{
return (em->flags & (EXTENT_FLAG_COMPRESS_ZLIB |
EXTENT_FLAG_COMPRESS_LZO |
EXTENT_FLAG_COMPRESS_ZSTD)) != 0;
}
-static inline int extent_map_in_tree(const struct extent_map *em)
+static inline int btrfs_extent_map_in_tree(const struct extent_map *em)
{
return !RB_EMPTY_NODE(&em->rb_node);
}
-static inline u64 extent_map_block_start(const struct extent_map *em)
+static inline u64 btrfs_extent_map_block_start(const struct extent_map *em)
{
if (em->disk_bytenr < EXTENT_MAP_LAST_BYTE) {
- if (extent_map_is_compressed(em))
+ if (btrfs_extent_map_is_compressed(em))
return em->disk_bytenr;
return em->disk_bytenr + em->offset;
}
return em->disk_bytenr;
}
-static inline u64 extent_map_end(const struct extent_map *em)
+static inline u64 btrfs_extent_map_end(const struct extent_map *em)
{
if (em->start + em->len < em->start)
return (u64)-1;
return em->start + em->len;
}
-void extent_map_tree_init(struct extent_map_tree *tree);
-struct extent_map *lookup_extent_mapping(struct extent_map_tree *tree,
- u64 start, u64 len);
-void remove_extent_mapping(struct btrfs_inode *inode, struct extent_map *em);
-int split_extent_map(struct btrfs_inode *inode, u64 start, u64 len, u64 pre,
- u64 new_logical);
-
-struct extent_map *alloc_extent_map(void);
-void free_extent_map(struct extent_map *em);
-int __init extent_map_init(void);
-void __cold extent_map_exit(void);
-int unpin_extent_cache(struct btrfs_inode *inode, u64 start, u64 len, u64 gen);
-void clear_em_logging(struct btrfs_inode *inode, struct extent_map *em);
-struct extent_map *search_extent_mapping(struct extent_map_tree *tree,
- u64 start, u64 len);
+void btrfs_extent_map_tree_init(struct extent_map_tree *tree);
+struct extent_map *btrfs_lookup_extent_mapping(struct extent_map_tree *tree,
+ u64 start, u64 len);
+void btrfs_remove_extent_mapping(struct btrfs_inode *inode, struct extent_map *em);
+int btrfs_split_extent_map(struct btrfs_inode *inode, u64 start, u64 len, u64 pre,
+ u64 new_logical);
+
+struct extent_map *btrfs_alloc_extent_map(void);
+void btrfs_free_extent_map(struct extent_map *em);
+int __init btrfs_extent_map_init(void);
+void __cold btrfs_extent_map_exit(void);
+int btrfs_unpin_extent_cache(struct btrfs_inode *inode, u64 start, u64 len, u64 gen);
+void btrfs_clear_em_logging(struct btrfs_inode *inode, struct extent_map *em);
+struct extent_map *btrfs_search_extent_mapping(struct extent_map_tree *tree,
+ u64 start, u64 len);
int btrfs_add_extent_mapping(struct btrfs_inode *inode,
struct extent_map **em_in, u64 start, u64 len);
void btrfs_drop_extent_map_range(struct btrfs_inode *inode,