f2fs: move internal functions into extent_cache.c

[ Upstream commit 3bac20a8f011b8ed4012b43f4f33010432b3c647 ]

No functional change.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Stable-dep-of: 043d2d00b443 ("f2fs: factor out victim_entry usage from general rb_tree use")
Signed-off-by: Sasha Levin <sashal@kernel.org>

fs/f2fs/extent_cache.c

@@ -15,6 +15,77 @@
 #include "node.h"
 #include <trace/events/f2fs.h>
 
+static void __set_extent_info(struct extent_info *ei,
+				unsigned int fofs, unsigned int len,
+				block_t blk, bool keep_clen)
+{
+	ei->fofs = fofs;
+	ei->blk = blk;
+	ei->len = len;
+
+	if (keep_clen)
+		return;
+
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	ei->c_len = 0;
+#endif
+}
+
+static bool f2fs_may_extent_tree(struct inode *inode)
+{
+	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+
+	/*
+	 * for recovered files during mount do not create extents
+	 * if shrinker is not registered.
+	 */
+	if (list_empty(&sbi->s_list))
+		return false;
+
+	if (!test_opt(sbi, READ_EXTENT_CACHE) ||
+			is_inode_flag_set(inode, FI_NO_EXTENT) ||
+			(is_inode_flag_set(inode, FI_COMPRESSED_FILE) &&
+			 !f2fs_sb_has_readonly(sbi)))
+		return false;
+
+	return S_ISREG(inode->i_mode);
+}
+
+static void __try_update_largest_extent(struct extent_tree *et,
+						struct extent_node *en)
+{
+	if (en->ei.len <= et->largest.len)
+		return;
+
+	et->largest = en->ei;
+	et->largest_updated = true;
+}
+
+static bool __is_extent_mergeable(struct extent_info *back,
+				struct extent_info *front)
+{
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	if (back->c_len && back->len != back->c_len)
+		return false;
+	if (front->c_len && front->len != front->c_len)
+		return false;
+#endif
+	return (back->fofs + back->len == front->fofs &&
+			back->blk + back->len == front->blk);
+}
+
+static bool __is_back_mergeable(struct extent_info *cur,
+				struct extent_info *back)
+{
+	return __is_extent_mergeable(back, cur);
+}
+
+static bool __is_front_mergeable(struct extent_info *cur,
+				struct extent_info *front)
+{
+	return __is_extent_mergeable(cur, front);
+}
+
 static struct rb_entry *__lookup_rb_tree_fast(struct rb_entry *cached_re,
 							unsigned int ofs)
 {
@@ -592,16 +663,16 @@ static void f2fs_update_extent_tree_range(struct inode *inode,
 
 		if (end < org_end && org_end - end >= F2FS_MIN_EXTENT_LEN) {
 			if (parts) {
-				set_extent_info(&ei, end,
+				__set_extent_info(&ei,
-						end - dei.fofs + dei.blk,
+					end, org_end - end,
-						org_end - end);
+					end - dei.fofs + dei.blk, false);
 				en1 = __insert_extent_tree(sbi, et, &ei,
 							NULL, NULL, true);
 				next_en = en1;
 			} else {
-				en->ei.fofs = end;
+				__set_extent_info(&en->ei,
-				en->ei.blk += end - dei.fofs;
+					end, en->ei.len - (end - dei.fofs),
-				en->ei.len -= end - dei.fofs;
+					en->ei.blk + (end - dei.fofs), true);
 				next_en = en;
 			}
 			parts++;
@@ -633,8 +704,7 @@ static void f2fs_update_extent_tree_range(struct inode *inode,
 
 	/* 3. update extent in extent cache */
 	if (blkaddr) {
-
+		__set_extent_info(&ei, fofs, len, blkaddr, false);
-		set_extent_info(&ei, fofs, blkaddr, len);
 		if (!__try_merge_extent_node(sbi, et, &ei, prev_en, next_en))
 			__insert_extent_tree(sbi, et, &ei,
 					insert_p, insert_parent, leftmost);
@@ -693,7 +763,7 @@ void f2fs_update_extent_tree_range_compressed(struct inode *inode,
 	if (en)
 		goto unlock_out;
 
-	set_extent_info(&ei, fofs, blkaddr, llen);
+	__set_extent_info(&ei, fofs, llen, blkaddr, true);
 	ei.c_len = c_len;
 
 	if (!__try_merge_extent_node(sbi, et, &ei, prev_en, next_en))

fs/f2fs/f2fs.h

@@ -618,7 +618,7 @@ struct rb_entry {
 struct extent_info {
 	unsigned int fofs;		/* start offset in a file */
 	unsigned int len;		/* length of the extent */
-	u32 blk;			/* start block address of the extent */
+	block_t blk;			/* start block address of the extent */
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 	unsigned int c_len;		/* physical extent length of compressed blocks */
 #endif
@@ -842,17 +842,6 @@ static inline void set_raw_read_extent(struct extent_info *ext,
 	i_ext->len = cpu_to_le32(ext->len);
 }
 
-static inline void set_extent_info(struct extent_info *ei, unsigned int fofs,
-						u32 blk, unsigned int len)
-{
-	ei->fofs = fofs;
-	ei->blk = blk;
-	ei->len = len;
-#ifdef CONFIG_F2FS_FS_COMPRESSION
-	ei->c_len = 0;
-#endif
-}
-
 static inline bool __is_discard_mergeable(struct discard_info *back,
 			struct discard_info *front, unsigned int max_len)
 {
@@ -872,41 +861,6 @@ static inline bool __is_discard_front_mergeable(struct discard_info *cur,
 	return __is_discard_mergeable(cur, front, max_len);
 }
 
-static inline bool __is_extent_mergeable(struct extent_info *back,
-						struct extent_info *front)
-{
-#ifdef CONFIG_F2FS_FS_COMPRESSION
-	if (back->c_len && back->len != back->c_len)
-		return false;
-	if (front->c_len && front->len != front->c_len)
-		return false;
-#endif
-	return (back->fofs + back->len == front->fofs &&
-			back->blk + back->len == front->blk);
-}
-
-static inline bool __is_back_mergeable(struct extent_info *cur,
-						struct extent_info *back)
-{
-	return __is_extent_mergeable(back, cur);
-}
-
-static inline bool __is_front_mergeable(struct extent_info *cur,
-						struct extent_info *front)
-{
-	return __is_extent_mergeable(cur, front);
-}
-
-extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync);
-static inline void __try_update_largest_extent(struct extent_tree *et,
-						struct extent_node *en)
-{
-	if (en->ei.len > et->largest.len) {
-		et->largest = en->ei;
-		et->largest_updated = true;
-	}
-}
-
 /*
  * For free nid management
  */
@@ -2578,6 +2532,7 @@ static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi)
 	return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum);
 }
 
+extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync);
 static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
 					struct inode *inode, bool is_inode)
 {
@@ -4400,26 +4355,6 @@ F2FS_FEATURE_FUNCS(casefold, CASEFOLD);
 F2FS_FEATURE_FUNCS(compression, COMPRESSION);
 F2FS_FEATURE_FUNCS(readonly, RO);
 
-static inline bool f2fs_may_extent_tree(struct inode *inode)
-{
-	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
-
-	if (!test_opt(sbi, READ_EXTENT_CACHE) ||
-			is_inode_flag_set(inode, FI_NO_EXTENT) ||
-			(is_inode_flag_set(inode, FI_COMPRESSED_FILE) &&
-			 !f2fs_sb_has_readonly(sbi)))
-		return false;
-
-	/*
-	 * for recovered files during mount do not create extents
-	 * if shrinker is not registered.
-	 */
-	if (list_empty(&sbi->s_list))
-		return false;
-
-	return S_ISREG(inode->i_mode);
-}
-
 #ifdef CONFIG_BLK_DEV_ZONED
 static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi,
 				    block_t blkaddr)