diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index a0f0c04..ffe7cb6 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -374,7 +374,7 @@
 				       le32_to_cpu(ix[-1].ei_block));
 			}
 			BUG_ON(k && le32_to_cpu(ix->ei_block)
-				           <= le32_to_cpu(ix[-1].ei_block));
+					   <= le32_to_cpu(ix[-1].ei_block));
 			if (block < le32_to_cpu(ix->ei_block))
 				break;
 			chix = ix;
@@ -423,8 +423,8 @@
 
 	path->p_ext = l - 1;
 	ext_debug("  -> %d:%llu:%d ",
-		        le32_to_cpu(path->p_ext->ee_block),
-		        ext_pblock(path->p_ext),
+			le32_to_cpu(path->p_ext->ee_block),
+			ext_pblock(path->p_ext),
 			le16_to_cpu(path->p_ext->ee_len));
 
 #ifdef CHECK_BINSEARCH
@@ -435,7 +435,7 @@
 		chex = ex = EXT_FIRST_EXTENT(eh);
 		for (k = 0; k < le16_to_cpu(eh->eh_entries); k++, ex++) {
 			BUG_ON(k && le32_to_cpu(ex->ee_block)
-				          <= le32_to_cpu(ex[-1].ee_block));
+					  <= le32_to_cpu(ex[-1].ee_block));
 			if (block < le32_to_cpu(ex->ee_block))
 				break;
 			chex = ex;
@@ -577,7 +577,7 @@
 	curp->p_hdr->eh_entries = cpu_to_le16(le16_to_cpu(curp->p_hdr->eh_entries)+1);
 
 	BUG_ON(le16_to_cpu(curp->p_hdr->eh_entries)
-	                     > le16_to_cpu(curp->p_hdr->eh_max));
+			     > le16_to_cpu(curp->p_hdr->eh_max));
 	BUG_ON(ix > EXT_LAST_INDEX(curp->p_hdr));
 
 	err = ext4_ext_dirty(handle, inode, curp);
@@ -621,12 +621,12 @@
 		border = path[depth].p_ext[1].ee_block;
 		ext_debug("leaf will be split."
 				" next leaf starts at %d\n",
-			          le32_to_cpu(border));
+				  le32_to_cpu(border));
 	} else {
 		border = newext->ee_block;
 		ext_debug("leaf will be added."
 				" next leaf starts at %d\n",
-			        le32_to_cpu(border));
+				le32_to_cpu(border));
 	}
 
 	/*
@@ -684,9 +684,9 @@
 	while (path[depth].p_ext <=
 			EXT_MAX_EXTENT(path[depth].p_hdr)) {
 		ext_debug("move %d:%llu:%d in new leaf %llu\n",
-			        le32_to_cpu(path[depth].p_ext->ee_block),
-			        ext_pblock(path[depth].p_ext),
-			        le16_to_cpu(path[depth].p_ext->ee_len),
+				le32_to_cpu(path[depth].p_ext->ee_block),
+				ext_pblock(path[depth].p_ext),
+				le16_to_cpu(path[depth].p_ext->ee_len),
 				newblock);
 		/*memmove(ex++, path[depth].p_ext++,
 				sizeof(struct ext4_extent));
@@ -765,9 +765,9 @@
 				EXT_LAST_INDEX(path[i].p_hdr));
 		while (path[i].p_idx <= EXT_MAX_INDEX(path[i].p_hdr)) {
 			ext_debug("%d: move %d:%d in new index %llu\n", i,
-				        le32_to_cpu(path[i].p_idx->ei_block),
-				        idx_pblock(path[i].p_idx),
-				        newblock);
+					le32_to_cpu(path[i].p_idx->ei_block),
+					idx_pblock(path[i].p_idx),
+					newblock);
 			/*memmove(++fidx, path[i].p_idx++,
 					sizeof(struct ext4_extent_idx));
 			neh->eh_entries++;
@@ -1212,12 +1212,12 @@
 	if (!nearex) {
 		/* there is no extent in this leaf, create first one */
 		ext_debug("first extent in the leaf: %d:%llu:%d\n",
-			        le32_to_cpu(newext->ee_block),
-			        ext_pblock(newext),
-			        le16_to_cpu(newext->ee_len));
+				le32_to_cpu(newext->ee_block),
+				ext_pblock(newext),
+				le16_to_cpu(newext->ee_len));
 		path[depth].p_ext = EXT_FIRST_EXTENT(eh);
 	} else if (le32_to_cpu(newext->ee_block)
-		           > le32_to_cpu(nearex->ee_block)) {
+			   > le32_to_cpu(nearex->ee_block)) {
 /*		BUG_ON(newext->ee_block == nearex->ee_block); */
 		if (nearex != EXT_LAST_EXTENT(eh)) {
 			len = EXT_MAX_EXTENT(eh) - nearex;
@@ -1225,9 +1225,9 @@
 			len = len < 0 ? 0 : len;
 			ext_debug("insert %d:%llu:%d after: nearest 0x%p, "
 					"move %d from 0x%p to 0x%p\n",
-				        le32_to_cpu(newext->ee_block),
-				        ext_pblock(newext),
-				        le16_to_cpu(newext->ee_len),
+					le32_to_cpu(newext->ee_block),
+					ext_pblock(newext),
+					le16_to_cpu(newext->ee_len),
 					nearex, len, nearex + 1, nearex + 2);
 			memmove(nearex + 2, nearex + 1, len);
 		}
@@ -1358,9 +1358,9 @@
 			cbex.ec_start = 0;
 			cbex.ec_type = EXT4_EXT_CACHE_GAP;
 		} else {
-		        cbex.ec_block = le32_to_cpu(ex->ee_block);
-		        cbex.ec_len = le16_to_cpu(ex->ee_len);
-		        cbex.ec_start = ext_pblock(ex);
+			cbex.ec_block = le32_to_cpu(ex->ee_block);
+			cbex.ec_len = le16_to_cpu(ex->ee_len);
+			cbex.ec_start = ext_pblock(ex);
 			cbex.ec_type = EXT4_EXT_CACHE_EXTENT;
 		}
 
@@ -1431,16 +1431,16 @@
 		len = le32_to_cpu(ex->ee_block) - block;
 		ext_debug("cache gap(before): %lu [%lu:%lu]",
 				(unsigned long) block,
-			        (unsigned long) le32_to_cpu(ex->ee_block),
-			        (unsigned long) le16_to_cpu(ex->ee_len));
+				(unsigned long) le32_to_cpu(ex->ee_block),
+				(unsigned long) le16_to_cpu(ex->ee_len));
 	} else if (block >= le32_to_cpu(ex->ee_block)
-		            + le16_to_cpu(ex->ee_len)) {
-	        lblock = le32_to_cpu(ex->ee_block)
-		         + le16_to_cpu(ex->ee_len);
+			    + le16_to_cpu(ex->ee_len)) {
+		lblock = le32_to_cpu(ex->ee_block)
+			 + le16_to_cpu(ex->ee_len);
 		len = ext4_ext_next_allocated_block(path);
 		ext_debug("cache gap(after): [%lu:%lu] %lu",
-			        (unsigned long) le32_to_cpu(ex->ee_block),
-			        (unsigned long) le16_to_cpu(ex->ee_len),
+				(unsigned long) le32_to_cpu(ex->ee_block),
+				(unsigned long) le16_to_cpu(ex->ee_len),
 				(unsigned long) block);
 		BUG_ON(len == lblock);
 		len = len - lblock;
@@ -1468,9 +1468,9 @@
 	BUG_ON(cex->ec_type != EXT4_EXT_CACHE_GAP &&
 			cex->ec_type != EXT4_EXT_CACHE_EXTENT);
 	if (block >= cex->ec_block && block < cex->ec_block + cex->ec_len) {
-	        ex->ee_block = cpu_to_le32(cex->ec_block);
+		ex->ee_block = cpu_to_le32(cex->ec_block);
 		ext4_ext_store_pblock(ex, cex->ec_start);
-	        ex->ee_len = cpu_to_le16(cex->ec_len);
+		ex->ee_len = cpu_to_le16(cex->ec_len);
 		ext_debug("%lu cached by %lu:%lu:%llu\n",
 				(unsigned long) block,
 				(unsigned long) cex->ec_block,
@@ -1956,9 +1956,9 @@
 			/* we should allocate requested block */
 		} else if (goal == EXT4_EXT_CACHE_EXTENT) {
 			/* block is already allocated */
-		        newblock = iblock
-		                   - le32_to_cpu(newex.ee_block)
-			           + ext_pblock(&newex);
+			newblock = iblock
+				   - le32_to_cpu(newex.ee_block)
+				   + ext_pblock(&newex);
 			/* number of remaining blocks in the extent */
 			allocated = le16_to_cpu(newex.ee_len) -
 					(iblock - le32_to_cpu(newex.ee_block));
@@ -1987,7 +1987,7 @@
 
 	ex = path[depth].p_ext;
 	if (ex) {
-	        unsigned long ee_block = le32_to_cpu(ex->ee_block);
+		unsigned long ee_block = le32_to_cpu(ex->ee_block);
 		ext4_fsblk_t ee_start = ext_pblock(ex);
 		unsigned short ee_len  = le16_to_cpu(ex->ee_len);
 
@@ -2000,7 +2000,7 @@
 		if (ee_len > EXT_MAX_LEN)
 			goto out2;
 		/* if found extent covers block, simply return it */
-	        if (iblock >= ee_block && iblock < ee_block + ee_len) {
+		if (iblock >= ee_block && iblock < ee_block + ee_len) {
 			newblock = iblock - ee_block + ee_start;
 			/* number of remaining blocks in the extent */
 			allocated = ee_len - (iblock - ee_block);