[PATCH 3/6] ext4: Rename {ext,idx}_pblock and inline small extent functions

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Cleanup namespace leaks from fs/ext4 and the inline trivial functions
ext4_{ext,idx}_pblock() and ext4_{ext,idx}_store_pblock() since the
code size actually shrinks when we make these functions inline,
they're so trivial.

Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
---
 fs/ext4/ext4_extents.h |   55 ++++++++++++++++-
 fs/ext4/extents.c      |  160 +++++++++++++++++-------------------------------
 fs/ext4/migrate.c      |    2 +-
 fs/ext4/move_extent.c  |   22 +++---
 4 files changed, 121 insertions(+), 118 deletions(-)

diff --git a/fs/ext4/ext4_extents.h b/fs/ext4/ext4_extents.h
index e427082..28ce70f 100644
--- a/fs/ext4/ext4_extents.h
+++ b/fs/ext4/ext4_extents.h
@@ -225,11 +225,60 @@ static inline void ext4_ext_mark_initialized(struct ext4_extent *ext)
 	ext->ee_len = cpu_to_le16(ext4_ext_get_actual_len(ext));
 }
 
+/*
+ * ext4_ext_pblock:
+ * combine low and high parts of physical block number into ext4_fsblk_t
+ */
+static inline ext4_fsblk_t ext4_ext_pblock(struct ext4_extent *ex)
+{
+	ext4_fsblk_t block;
+
+	block = le32_to_cpu(ex->ee_start_lo);
+	block |= ((ext4_fsblk_t) le16_to_cpu(ex->ee_start_hi) << 31) << 1;
+	return block;
+}
+
+/*
+ * ext4_idx_pblock:
+ * combine low and high parts of a leaf physical block number into ext4_fsblk_t
+ */
+static inline ext4_fsblk_t ext4_idx_pblock(struct ext4_extent_idx *ix)
+{
+	ext4_fsblk_t block;
+
+	block = le32_to_cpu(ix->ei_leaf_lo);
+	block |= ((ext4_fsblk_t) le16_to_cpu(ix->ei_leaf_hi) << 31) << 1;
+	return block;
+}
+
+/*
+ * ext4_ext_store_pblock:
+ * stores a large physical block number into an extent struct,
+ * breaking it into parts
+ */
+static inline void ext4_ext_store_pblock(struct ext4_extent *ex,
+					 ext4_fsblk_t pb)
+{
+	ex->ee_start_lo = cpu_to_le32((unsigned long) (pb & 0xffffffff));
+	ex->ee_start_hi = cpu_to_le16((unsigned long) ((pb >> 31) >> 1) &
+				      0xffff);
+}
+
+/*
+ * ext4_idx_store_pblock:
+ * stores a large physical block number into an index struct,
+ * breaking it into parts
+ */
+static inline void ext4_idx_store_pblock(struct ext4_extent_idx *ix,
+					 ext4_fsblk_t pb)
+{
+	ix->ei_leaf_lo = cpu_to_le32((unsigned long) (pb & 0xffffffff));
+	ix->ei_leaf_hi = cpu_to_le16((unsigned long) ((pb >> 31) >> 1) &
+				     0xffff);
+}
+
 extern int ext4_ext_calc_metadata_amount(struct inode *inode,
 					 sector_t lblocks);
-extern ext4_fsblk_t ext_pblock(struct ext4_extent *ex);
-extern ext4_fsblk_t idx_pblock(struct ext4_extent_idx *);
-extern void ext4_ext_store_pblock(struct ext4_extent *, ext4_fsblk_t);
 extern int ext4_extent_tree_init(handle_t *, struct inode *);
 extern int ext4_ext_calc_credits_for_single_extent(struct inode *inode,
 						   int num,
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index bd95375..20e6c3c 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -44,55 +44,6 @@
 #include "ext4_jbd2.h"
 #include "ext4_extents.h"
 
-
-/*
- * ext_pblock:
- * combine low and high parts of physical block number into ext4_fsblk_t
- */
-ext4_fsblk_t ext_pblock(struct ext4_extent *ex)
-{
-	ext4_fsblk_t block;
-
-	block = le32_to_cpu(ex->ee_start_lo);
-	block |= ((ext4_fsblk_t) le16_to_cpu(ex->ee_start_hi) << 31) << 1;
-	return block;
-}
-
-/*
- * idx_pblock:
- * combine low and high parts of a leaf physical block number into ext4_fsblk_t
- */
-ext4_fsblk_t idx_pblock(struct ext4_extent_idx *ix)
-{
-	ext4_fsblk_t block;
-
-	block = le32_to_cpu(ix->ei_leaf_lo);
-	block |= ((ext4_fsblk_t) le16_to_cpu(ix->ei_leaf_hi) << 31) << 1;
-	return block;
-}
-
-/*
- * ext4_ext_store_pblock:
- * stores a large physical block number into an extent struct,
- * breaking it into parts
- */
-void ext4_ext_store_pblock(struct ext4_extent *ex, ext4_fsblk_t pb)
-{
-	ex->ee_start_lo = cpu_to_le32((unsigned long) (pb & 0xffffffff));
-	ex->ee_start_hi = cpu_to_le16((unsigned long) ((pb >> 31) >> 1) & 0xffff);
-}
-
-/*
- * ext4_idx_store_pblock:
- * stores a large physical block number into an index struct,
- * breaking it into parts
- */
-static void ext4_idx_store_pblock(struct ext4_extent_idx *ix, ext4_fsblk_t pb)
-{
-	ix->ei_leaf_lo = cpu_to_le32((unsigned long) (pb & 0xffffffff));
-	ix->ei_leaf_hi = cpu_to_le16((unsigned long) ((pb >> 31) >> 1) & 0xffff);
-}
-
 static int ext4_ext_truncate_extend_restart(handle_t *handle,
 					    struct inode *inode,
 					    int needed)
@@ -169,7 +120,8 @@ static ext4_fsblk_t ext4_ext_find_goal(struct inode *inode,
 		/* try to predict block placement */
 		ex = path[depth].p_ext;
 		if (ex)
-			return ext_pblock(ex)+(block-le32_to_cpu(ex->ee_block));
+			return (ext4_ext_pblock(ex) +
+				(block - le32_to_cpu(ex->ee_block)));
 
 		/* it looks like index is empty;
 		 * try to find starting block from index itself */
@@ -354,7 +306,7 @@ ext4_ext_max_entries(struct inode *inode, int depth)
 
 static int ext4_valid_extent(struct inode *inode, struct ext4_extent *ext)
 {
-	ext4_fsblk_t block = ext_pblock(ext);
+	ext4_fsblk_t block = ext4_ext_pblock(ext);
 	int len = ext4_ext_get_actual_len(ext);
 
 	return ext4_data_block_valid(EXT4_SB(inode->i_sb), block, len);
@@ -363,7 +315,7 @@ static int ext4_valid_extent(struct inode *inode, struct ext4_extent *ext)
 static int ext4_valid_extent_idx(struct inode *inode,
 				struct ext4_extent_idx *ext_idx)
 {
-	ext4_fsblk_t block = idx_pblock(ext_idx);
+	ext4_fsblk_t block = ext4_idx_pblock(ext_idx);
 
 	return ext4_data_block_valid(EXT4_SB(inode->i_sb), block, 1);
 }
@@ -463,13 +415,13 @@ static void ext4_ext_show_path(struct inode *inode, struct ext4_ext_path *path)
 	for (k = 0; k <= l; k++, path++) {
 		if (path->p_idx) {
 		  ext_debug("  %d->%llu", le32_to_cpu(path->p_idx->ei_block),
-			    idx_pblock(path->p_idx));
+			    ext4_idx_pblock(path->p_idx));
 		} else if (path->p_ext) {
 			ext_debug("  %d:[%d]%d:%llu ",
 				  le32_to_cpu(path->p_ext->ee_block),
 				  ext4_ext_is_uninitialized(path->p_ext),
 				  ext4_ext_get_actual_len(path->p_ext),
-				  ext_pblock(path->p_ext));
+				  ext4_ext_pblock(path->p_ext));
 		} else
 			ext_debug("  []");
 	}
@@ -494,7 +446,7 @@ static void ext4_ext_show_leaf(struct inode *inode, struct ext4_ext_path *path)
 	for (i = 0; i < le16_to_cpu(eh->eh_entries); i++, ex++) {
 		ext_debug("%d:[%d]%d:%llu ", le32_to_cpu(ex->ee_block),
 			  ext4_ext_is_uninitialized(ex),
-			  ext4_ext_get_actual_len(ex), ext_pblock(ex));
+			  ext4_ext_get_actual_len(ex), ext4_ext_pblock(ex));
 	}
 	ext_debug("\n");
 }
@@ -545,7 +497,7 @@ ext4_ext_binsearch_idx(struct inode *inode,
 
 	path->p_idx = l - 1;
 	ext_debug("  -> %d->%lld ", le32_to_cpu(path->p_idx->ei_block),
-		  idx_pblock(path->p_idx));
+		  ext4_idx_pblock(path->p_idx));
 
 #ifdef CHECK_BINSEARCH
 	{
@@ -614,7 +566,7 @@ ext4_ext_binsearch(struct inode *inode,
 	path->p_ext = l - 1;
 	ext_debug("  -> %d:%llu:[%d]%d ",
 			le32_to_cpu(path->p_ext->ee_block),
-			ext_pblock(path->p_ext),
+			ext4_ext_pblock(path->p_ext),
 			ext4_ext_is_uninitialized(path->p_ext),
 			ext4_ext_get_actual_len(path->p_ext));
 
@@ -682,7 +634,7 @@ ext4_ext_find_extent(struct inode *inode, ext4_lblk_t block,
 			  ppos, le16_to_cpu(eh->eh_entries), le16_to_cpu(eh->eh_max));
 
 		ext4_ext_binsearch_idx(inode, path + ppos, block);
-		path[ppos].p_block = idx_pblock(path[ppos].p_idx);
+		path[ppos].p_block = ext4_idx_pblock(path[ppos].p_idx);
 		path[ppos].p_depth = i;
 		path[ppos].p_ext = NULL;
 
@@ -721,7 +673,7 @@ ext4_ext_find_extent(struct inode *inode, ext4_lblk_t block,
 	ext4_ext_binsearch(inode, path + ppos, block);
 	/* if not an empty leaf */
 	if (path[ppos].p_ext)
-		path[ppos].p_block = ext_pblock(path[ppos].p_ext);
+		path[ppos].p_block = ext4_ext_pblock(path[ppos].p_ext);
 
 	ext4_ext_show_path(inode, path);
 
@@ -917,7 +869,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
 			EXT_MAX_EXTENT(path[depth].p_hdr)) {
 		ext_debug("move %d:%llu:[%d]%d in new leaf %llu\n",
 				le32_to_cpu(path[depth].p_ext->ee_block),
-				ext_pblock(path[depth].p_ext),
+				ext4_ext_pblock(path[depth].p_ext),
 				ext4_ext_is_uninitialized(path[depth].p_ext),
 				ext4_ext_get_actual_len(path[depth].p_ext),
 				newblock);
@@ -1007,7 +959,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
 		while (path[i].p_idx <= EXT_MAX_INDEX(path[i].p_hdr)) {
 			ext_debug("%d: move %d:%llu in new index %llu\n", i,
 					le32_to_cpu(path[i].p_idx->ei_block),
-					idx_pblock(path[i].p_idx),
+					ext4_idx_pblock(path[i].p_idx),
 					newblock);
 			/*memmove(++fidx, path[i].p_idx++,
 					sizeof(struct ext4_extent_idx));
@@ -1146,7 +1098,7 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
 	ext_debug("new root: num %d(%d), lblock %d, ptr %llu\n",
 		  le16_to_cpu(neh->eh_entries), le16_to_cpu(neh->eh_max),
 		  le32_to_cpu(EXT_FIRST_INDEX(neh)->ei_block),
-		  idx_pblock(EXT_FIRST_INDEX(neh)));
+		  ext4_idx_pblock(EXT_FIRST_INDEX(neh)));
 
 	neh->eh_depth = cpu_to_le16(path->p_depth + 1);
 	err = ext4_ext_dirty(handle, inode, curp);
@@ -1286,7 +1238,7 @@ static int ext4_ext_search_left(struct inode *inode,
 	}
 
 	*logical = le32_to_cpu(ex->ee_block) + ee_len - 1;
-	*phys = ext_pblock(ex) + ee_len - 1;
+	*phys = ext4_ext_pblock(ex) + ee_len - 1;
 	return 0;
 }
 
@@ -1342,7 +1294,7 @@ static int ext4_ext_search_right(struct inode *inode,
 			}
 		}
 		*logical = le32_to_cpu(ex->ee_block);
-		*phys = ext_pblock(ex);
+		*phys = ext4_ext_pblock(ex);
 		return 0;
 	}
 
@@ -1357,7 +1309,7 @@ static int ext4_ext_search_right(struct inode *inode,
 		/* next allocated block in this leaf */
 		ex++;
 		*logical = le32_to_cpu(ex->ee_block);
-		*phys = ext_pblock(ex);
+		*phys = ext4_ext_pblock(ex);
 		return 0;
 	}
 
@@ -1376,7 +1328,7 @@ got_index:
 	 * follow it and find the closest allocated
 	 * block to the right */
 	ix++;
-	block = idx_pblock(ix);
+	block = ext4_idx_pblock(ix);
 	while (++depth < path->p_depth) {
 		bh = sb_bread(inode->i_sb, block);
 		if (bh == NULL)
@@ -1388,7 +1340,7 @@ got_index:
 			return -EIO;
 		}
 		ix = EXT_FIRST_INDEX(eh);
-		block = idx_pblock(ix);
+		block = ext4_idx_pblock(ix);
 		put_bh(bh);
 	}
 
@@ -1402,7 +1354,7 @@ got_index:
 	}
 	ex = EXT_FIRST_EXTENT(eh);
 	*logical = le32_to_cpu(ex->ee_block);
-	*phys = ext_pblock(ex);
+	*phys = ext4_ext_pblock(ex);
 	put_bh(bh);
 	return 0;
 }
@@ -1573,7 +1525,7 @@ ext4_can_extents_be_merged(struct inode *inode, struct ext4_extent *ex1,
 		return 0;
 #endif
 
-	if (ext_pblock(ex1) + ext1_ee_len == ext_pblock(ex2))
+	if (ext4_ext_pblock(ex1) + ext1_ee_len == ext4_ext_pblock(ex2))
 		return 1;
 	return 0;
 }
@@ -1706,11 +1658,12 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
 	if (ex && !(flag & EXT4_GET_BLOCKS_PRE_IO)
 		&& ext4_can_extents_be_merged(inode, ex, newext)) {
 		ext_debug("append [%d]%d block to %d:[%d]%d (from %llu)\n",
-				ext4_ext_is_uninitialized(newext),
-				ext4_ext_get_actual_len(newext),
-				le32_to_cpu(ex->ee_block),
-				ext4_ext_is_uninitialized(ex),
-				ext4_ext_get_actual_len(ex), ext_pblock(ex));
+			  ext4_ext_is_uninitialized(newext),
+			  ext4_ext_get_actual_len(newext),
+			  le32_to_cpu(ex->ee_block),
+			  ext4_ext_is_uninitialized(ex),
+			  ext4_ext_get_actual_len(ex),
+			  ext4_ext_pblock(ex));
 		err = ext4_ext_get_access(handle, inode, path + depth);
 		if (err)
 			return err;
@@ -1780,7 +1733,7 @@ has_space:
 		/* there is no extent in this leaf, create first one */
 		ext_debug("first extent in the leaf: %d:%llu:[%d]%d\n",
 				le32_to_cpu(newext->ee_block),
-				ext_pblock(newext),
+				ext4_ext_pblock(newext),
 				ext4_ext_is_uninitialized(newext),
 				ext4_ext_get_actual_len(newext));
 		path[depth].p_ext = EXT_FIRST_EXTENT(eh);
@@ -1794,7 +1747,7 @@ has_space:
 			ext_debug("insert %d:%llu:[%d]%d after: nearest 0x%p, "
 					"move %d from 0x%p to 0x%p\n",
 					le32_to_cpu(newext->ee_block),
-					ext_pblock(newext),
+					ext4_ext_pblock(newext),
 					ext4_ext_is_uninitialized(newext),
 					ext4_ext_get_actual_len(newext),
 					nearex, len, nearex + 1, nearex + 2);
@@ -1808,7 +1761,7 @@ has_space:
 		ext_debug("insert %d:%llu:[%d]%d before: nearest 0x%p, "
 				"move %d from 0x%p to 0x%p\n",
 				le32_to_cpu(newext->ee_block),
-				ext_pblock(newext),
+				ext4_ext_pblock(newext),
 				ext4_ext_is_uninitialized(newext),
 				ext4_ext_get_actual_len(newext),
 				nearex, len, nearex + 1, nearex + 2);
@@ -1819,7 +1772,7 @@ has_space:
 	le16_add_cpu(&eh->eh_entries, 1);
 	nearex = path[depth].p_ext;
 	nearex->ee_block = newext->ee_block;
-	ext4_ext_store_pblock(nearex, ext_pblock(newext));
+	ext4_ext_store_pblock(nearex, ext4_ext_pblock(newext));
 	nearex->ee_len = newext->ee_len;
 
 merge:
@@ -1923,7 +1876,7 @@ static int ext4_ext_walk_space(struct inode *inode, ext4_lblk_t block,
 		} else {
 			cbex.ec_block = le32_to_cpu(ex->ee_block);
 			cbex.ec_len = ext4_ext_get_actual_len(ex);
-			cbex.ec_start = ext_pblock(ex);
+			cbex.ec_start = ext4_ext_pblock(ex);
 			cbex.ec_type = EXT4_EXT_CACHE_EXTENT;
 		}
 
@@ -2073,7 +2026,7 @@ static int ext4_ext_rm_idx(handle_t *handle, struct inode *inode,
 
 	/* free index block */
 	path--;
-	leaf = idx_pblock(path->p_idx);
+	leaf = ext4_idx_pblock(path->p_idx);
 	if (unlikely(path->p_hdr->eh_entries == 0)) {
 		EXT4_ERROR_INODE(inode, "path->p_hdr->eh_entries == 0");
 		return -EIO;
@@ -2181,7 +2134,7 @@ static int ext4_remove_blocks(handle_t *handle, struct inode *inode,
 		ext4_fsblk_t start;
 
 		num = le32_to_cpu(ex->ee_block) + ee_len - from;
-		start = ext_pblock(ex) + ee_len - num;
+		start = ext4_ext_pblock(ex) + ee_len - num;
 		ext_debug("free last %u blocks starting %llu\n", num, start);
 		ext4_free_blocks(handle, inode, 0, start, num, flags);
 	} else if (from == le32_to_cpu(ex->ee_block)
@@ -2310,7 +2263,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
 			goto out;
 
 		ext_debug("new extent: %u:%u:%llu\n", block, num,
-				ext_pblock(ex));
+				ext4_ext_pblock(ex));
 		ex--;
 		ex_ee_block = le32_to_cpu(ex->ee_block);
 		ex_ee_len = ext4_ext_get_actual_len(ex);
@@ -2421,9 +2374,9 @@ again:
 			struct buffer_head *bh;
 			/* go to the next level */
 			ext_debug("move to level %d (block %llu)\n",
-				  i + 1, idx_pblock(path[i].p_idx));
+				  i + 1, ext4_idx_pblock(path[i].p_idx));
 			memset(path + i + 1, 0, sizeof(*path));
-			bh = sb_bread(sb, idx_pblock(path[i].p_idx));
+			bh = sb_bread(sb, ext4_idx_pblock(path[i].p_idx));
 			if (!bh) {
 				/* should we reset i_size? */
 				err = -EIO;
@@ -2543,7 +2496,7 @@ static int ext4_ext_zeroout(struct inode *inode, struct ext4_extent *ex)
 	int ret;
 
 	ee_len    = ext4_ext_get_actual_len(ex);
-	ee_pblock = ext_pblock(ex);
+	ee_pblock = ext4_ext_pblock(ex);
 
 	ret = sb_issue_zeroout(inode->i_sb, ee_pblock, ee_len,
 			       GFP_NOFS, BLKDEV_IFL_WAIT);
@@ -2596,12 +2549,12 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 	ee_block = le32_to_cpu(ex->ee_block);
 	ee_len = ext4_ext_get_actual_len(ex);
 	allocated = ee_len - (map->m_lblk - ee_block);
-	newblock = map->m_lblk - ee_block + ext_pblock(ex);
+	newblock = map->m_lblk - ee_block + ext4_ext_pblock(ex);
 
 	ex2 = ex;
 	orig_ex.ee_block = ex->ee_block;
 	orig_ex.ee_len   = cpu_to_le16(ee_len);
-	ext4_ext_store_pblock(&orig_ex, ext_pblock(ex));
+	ext4_ext_store_pblock(&orig_ex, ext4_ext_pblock(ex));
 
 	/*
 	 * It is safe to convert extent to initialized via explicit
@@ -2620,7 +2573,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 		/* update the extent length and mark as initialized */
 		ex->ee_block = orig_ex.ee_block;
 		ex->ee_len   = orig_ex.ee_len;
-		ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
+		ext4_ext_store_pblock(ex, ext4_ext_pblock(&orig_ex));
 		ext4_ext_dirty(handle, inode, path + depth);
 		/* zeroed the full extent */
 		return allocated;
@@ -2655,7 +2608,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 			ex->ee_block = orig_ex.ee_block;
 			ex->ee_len   = cpu_to_le16(ee_len - allocated);
 			ext4_ext_mark_uninitialized(ex);
-			ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
+			ext4_ext_store_pblock(ex, ext4_ext_pblock(&orig_ex));
 			ext4_ext_dirty(handle, inode, path + depth);
 
 			ex3 = &newex;
@@ -2670,7 +2623,8 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 					goto fix_extent_len;
 				ex->ee_block = orig_ex.ee_block;
 				ex->ee_len   = orig_ex.ee_len;
-				ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
+				ext4_ext_store_pblock(ex,
+					ext4_ext_pblock(&orig_ex));
 				ext4_ext_dirty(handle, inode, path + depth);
 				/* blocks available from map->m_lblk */
 				return allocated;
@@ -2727,7 +2681,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 			/* update the extent length and mark as initialized */
 			ex->ee_block = orig_ex.ee_block;
 			ex->ee_len   = orig_ex.ee_len;
-			ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
+			ext4_ext_store_pblock(ex, ext4_ext_pblock(&orig_ex));
 			ext4_ext_dirty(handle, inode, path + depth);
 			/* zeroed the full extent */
 			/* blocks available from map->m_lblk */
@@ -2778,7 +2732,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 			/* update the extent length and mark as initialized */
 			ex->ee_block = orig_ex.ee_block;
 			ex->ee_len   = orig_ex.ee_len;
-			ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
+			ext4_ext_store_pblock(ex, ext4_ext_pblock(&orig_ex));
 			ext4_ext_dirty(handle, inode, path + depth);
 			/* zero out the first half */
 			/* blocks available from map->m_lblk */
@@ -2847,7 +2801,7 @@ insert:
 		/* update the extent length and mark as initialized */
 		ex->ee_block = orig_ex.ee_block;
 		ex->ee_len   = orig_ex.ee_len;
-		ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
+		ext4_ext_store_pblock(ex, ext4_ext_pblock(&orig_ex));
 		ext4_ext_dirty(handle, inode, path + depth);
 		/* zero out the first half */
 		return allocated;
@@ -2860,7 +2814,7 @@ out:
 fix_extent_len:
 	ex->ee_block = orig_ex.ee_block;
 	ex->ee_len   = orig_ex.ee_len;
-	ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
+	ext4_ext_store_pblock(ex, ext4_ext_pblock(&orig_ex));
 	ext4_ext_mark_uninitialized(ex);
 	ext4_ext_dirty(handle, inode, path + depth);
 	return err;
@@ -2918,12 +2872,12 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 	ee_block = le32_to_cpu(ex->ee_block);
 	ee_len = ext4_ext_get_actual_len(ex);
 	allocated = ee_len - (map->m_lblk - ee_block);
-	newblock = map->m_lblk - ee_block + ext_pblock(ex);
+	newblock = map->m_lblk - ee_block + ext4_ext_pblock(ex);
 
 	ex2 = ex;
 	orig_ex.ee_block = ex->ee_block;
 	orig_ex.ee_len   = cpu_to_le16(ee_len);
-	ext4_ext_store_pblock(&orig_ex, ext_pblock(ex));
+	ext4_ext_store_pblock(&orig_ex, ext4_ext_pblock(ex));
 
 	/*
 	 * It is safe to convert extent to initialized via explicit
@@ -2972,7 +2926,7 @@ static int ext4_split_unwritten_extents(handle_t *handle,
 			/* update the extent length and mark as initialized */
 			ex->ee_block = orig_ex.ee_block;
 			ex->ee_len   = orig_ex.ee_len;
-			ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
+			ext4_ext_store_pblock(ex, ext4_ext_pblock(&orig_ex));
 			ext4_ext_dirty(handle, inode, path + depth);
 			/* zeroed the full extent */
 			/* blocks available from map->m_lblk */
@@ -3044,7 +2998,7 @@ insert:
 		/* update the extent length and mark as initialized */
 		ex->ee_block = orig_ex.ee_block;
 		ex->ee_len   = orig_ex.ee_len;
-		ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
+		ext4_ext_store_pblock(ex, ext4_ext_pblock(&orig_ex));
 		ext4_ext_dirty(handle, inode, path + depth);
 		/* zero out the first half */
 		return allocated;
@@ -3057,7 +3011,7 @@ out:
 fix_extent_len:
 	ex->ee_block = orig_ex.ee_block;
 	ex->ee_len   = orig_ex.ee_len;
-	ext4_ext_store_pblock(ex, ext_pblock(&orig_ex));
+	ext4_ext_store_pblock(ex, ext4_ext_pblock(&orig_ex));
 	ext4_ext_mark_uninitialized(ex);
 	ext4_ext_dirty(handle, inode, path + depth);
 	return err;
@@ -3347,7 +3301,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
 			/* block is already allocated */
 			newblock = map->m_lblk
 				   - le32_to_cpu(newex.ee_block)
-				   + ext_pblock(&newex);
+				   + ext4_ext_pblock(&newex);
 			/* number of remaining blocks in the extent */
 			allocated = ext4_ext_get_actual_len(&newex) -
 				(map->m_lblk - le32_to_cpu(newex.ee_block));
@@ -3385,7 +3339,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
 	ex = path[depth].p_ext;
 	if (ex) {
 		ext4_lblk_t ee_block = le32_to_cpu(ex->ee_block);
-		ext4_fsblk_t ee_start = ext_pblock(ex);
+		ext4_fsblk_t ee_start = ext4_ext_pblock(ex);
 		unsigned short ee_len;
 
 		/*
@@ -3513,13 +3467,13 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
 		/* not a good idea to call discard here directly,
 		 * but otherwise we'd need to call it every free() */
 		ext4_discard_preallocations(inode);
-		ext4_free_blocks(handle, inode, 0, ext_pblock(&newex),
+		ext4_free_blocks(handle, inode, 0, ext4_ext_pblock(&newex),
 				 ext4_ext_get_actual_len(&newex), 0);
 		goto out2;
 	}
 
 	/* previous routine could use block we allocated */
-	newblock = ext_pblock(&newex);
+	newblock = ext4_ext_pblock(&newex);
 	allocated = ext4_ext_get_actual_len(&newex);
 	if (allocated > map->m_len)
 		allocated = map->m_len;
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index 1765c2c..25f3a97 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -412,7 +412,7 @@ static int free_ext_idx(handle_t *handle, struct inode *inode,
 	struct buffer_head *bh;
 	struct ext4_extent_header *eh;
 
-	block = idx_pblock(ix);
+	block = ext4_idx_pblock(ix);
 	bh = sb_bread(inode->i_sb, block);
 	if (!bh)
 		return -EIO;
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 5f1ed9f..b9f3e78 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -85,7 +85,7 @@ mext_next_extent(struct inode *inode, struct ext4_ext_path *path,
 	if (EXT_LAST_EXTENT(path[ppos].p_hdr) > path[ppos].p_ext) {
 		/* leaf block */
 		*extent = ++path[ppos].p_ext;
-		path[ppos].p_block = ext_pblock(path[ppos].p_ext);
+		path[ppos].p_block = ext4_ext_pblock(path[ppos].p_ext);
 		return 0;
 	}
 
@@ -96,7 +96,7 @@ mext_next_extent(struct inode *inode, struct ext4_ext_path *path,
 
 			/* index block */
 			path[ppos].p_idx++;
-			path[ppos].p_block = idx_pblock(path[ppos].p_idx);
+			path[ppos].p_block = ext4_idx_pblock(path[ppos].p_idx);
 			if (path[ppos+1].p_bh)
 				brelse(path[ppos+1].p_bh);
 			path[ppos+1].p_bh =
@@ -111,7 +111,7 @@ mext_next_extent(struct inode *inode, struct ext4_ext_path *path,
 				path[cur_ppos].p_idx =
 					EXT_FIRST_INDEX(path[cur_ppos].p_hdr);
 				path[cur_ppos].p_block =
-					idx_pblock(path[cur_ppos].p_idx);
+					ext4_idx_pblock(path[cur_ppos].p_idx);
 				if (path[cur_ppos+1].p_bh)
 					brelse(path[cur_ppos+1].p_bh);
 				path[cur_ppos+1].p_bh = sb_bread(inode->i_sb,
@@ -133,7 +133,7 @@ mext_next_extent(struct inode *inode, struct ext4_ext_path *path,
 			path[leaf_ppos].p_ext = *extent =
 				EXT_FIRST_EXTENT(path[leaf_ppos].p_hdr);
 			path[leaf_ppos].p_block =
-					ext_pblock(path[leaf_ppos].p_ext);
+					ext4_ext_pblock(path[leaf_ppos].p_ext);
 			return 0;
 		}
 	}
@@ -249,7 +249,7 @@ mext_insert_across_blocks(handle_t *handle, struct inode *orig_inode,
 			 */
 			o_end->ee_block = end_ext->ee_block;
 			o_end->ee_len = end_ext->ee_len;
-			ext4_ext_store_pblock(o_end, ext_pblock(end_ext));
+			ext4_ext_store_pblock(o_end, ext4_ext_pblock(end_ext));
 		}
 
 		o_start->ee_len = start_ext->ee_len;
@@ -276,7 +276,7 @@ mext_insert_across_blocks(handle_t *handle, struct inode *orig_inode,
 		 */
 		o_end->ee_block = end_ext->ee_block;
 		o_end->ee_len = end_ext->ee_len;
-		ext4_ext_store_pblock(o_end, ext_pblock(end_ext));
+		ext4_ext_store_pblock(o_end, ext4_ext_pblock(end_ext));
 
 		/*
 		 * Set 0 to the extent block if new_ext was
@@ -361,7 +361,7 @@ mext_insert_inside_block(struct ext4_extent *o_start,
 	/* Insert new entry */
 	if (new_ext->ee_len) {
 		o_start[i] = *new_ext;
-		ext4_ext_store_pblock(&o_start[i++], ext_pblock(new_ext));
+		ext4_ext_store_pblock(&o_start[i++], ext4_ext_pblock(new_ext));
 	}
 
 	/* Insert end entry */
@@ -488,7 +488,7 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
 	start_ext.ee_len = end_ext.ee_len = 0;
 
 	new_ext.ee_block = cpu_to_le32(*from);
-	ext4_ext_store_pblock(&new_ext, ext_pblock(dext));
+	ext4_ext_store_pblock(&new_ext, ext4_ext_pblock(dext));
 	new_ext.ee_len = dext->ee_len;
 	new_ext_alen = ext4_ext_get_actual_len(&new_ext);
 	new_ext_end = le32_to_cpu(new_ext.ee_block) + new_ext_alen - 1;
@@ -553,7 +553,7 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
 		copy_extent_status(oext, &end_ext);
 		end_ext_alen = ext4_ext_get_actual_len(&end_ext);
 		ext4_ext_store_pblock(&end_ext,
-			(ext_pblock(o_end) + oext_alen - end_ext_alen));
+			(ext4_ext_pblock(o_end) + oext_alen - end_ext_alen));
 		end_ext.ee_block =
 			cpu_to_le32(le32_to_cpu(o_end->ee_block) +
 			oext_alen - end_ext_alen);
@@ -604,7 +604,7 @@ mext_calc_swap_extents(struct ext4_extent *tmp_dext,
 	/* When tmp_dext is too large, pick up the target range. */
 	diff = donor_off - le32_to_cpu(tmp_dext->ee_block);
 
-	ext4_ext_store_pblock(tmp_dext, ext_pblock(tmp_dext) + diff);
+	ext4_ext_store_pblock(tmp_dext, ext4_ext_pblock(tmp_dext) + diff);
 	tmp_dext->ee_block =
 			cpu_to_le32(le32_to_cpu(tmp_dext->ee_block) + diff);
 	tmp_dext->ee_len = cpu_to_le16(le16_to_cpu(tmp_dext->ee_len) - diff);
@@ -613,7 +613,7 @@ mext_calc_swap_extents(struct ext4_extent *tmp_dext,
 		tmp_dext->ee_len = cpu_to_le16(max_count);
 
 	orig_diff = orig_off - le32_to_cpu(tmp_oext->ee_block);
-	ext4_ext_store_pblock(tmp_oext, ext_pblock(tmp_oext) + orig_diff);
+	ext4_ext_store_pblock(tmp_oext, ext4_ext_pblock(tmp_oext) + orig_diff);
 
 	/* Adjust extent length if donor extent is larger than orig */
 	if (ext4_ext_get_actual_len(tmp_dext) >
-- 
1.7.1

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