[RFC] [PATCHv2 1/3] reiser4: deferred (BA_DEFER) deallocations do not make use of target stage.

[Ivan Shapovalov <intelfx100@gmail.com>]

...so remove it (set to 0) in all cases to avoid confusion.

Signed-off-by: Ivan Shapovalov <intelfx100@gmail.com>
---
 fs/reiser4/block_alloc.c  |  6 ++++++
 fs/reiser4/plugin/txmod.c | 15 +++++----------
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/fs/reiser4/block_alloc.c b/fs/reiser4/block_alloc.c
index 324b11c..6e7030a 100644
--- a/fs/reiser4/block_alloc.c
+++ b/fs/reiser4/block_alloc.c
@@ -1010,6 +1010,12 @@ reiser4_dealloc_blocks(const reiser4_block_nr * start,
 
 	if ((flags & BA_DEFER) ||
 	    reiser4_is_set(reiser4_get_current_sb(), REISER4_DISCARD)) {
+		/*
+		 * These blocks will be later deallocated by apply_dset().
+		 * It is equivalent to a non-deferred deallocation with target
+		 * stage BLOCK_NOT_COUNTED.
+		 */
+
 		/* store deleted block numbers in the atom's deferred delete set
 		   for further actual deletion */
 		do {
diff --git a/fs/reiser4/plugin/txmod.c b/fs/reiser4/plugin/txmod.c
index 63d461f..5982b4c 100644
--- a/fs/reiser4/plugin/txmod.c
+++ b/fs/reiser4/plugin/txmod.c
@@ -287,8 +287,7 @@ static int forward_relocate_unformatted(flush_pos_t *flush_pos,
 		 * on relocating - free nodes which are going to be
 		 * relocated
 		 */
-		reiser4_dealloc_blocks(&start, &allocated,
-				       BLOCK_ALLOCATED, BA_DEFER);
+		reiser4_dealloc_blocks(&start, &allocated, 0, BA_DEFER);
 
 	/* assign new block numbers to protected nodes */
 	assign_real_blocknrs(flush_pos, oid, index, allocated, first_allocated);
@@ -386,16 +385,13 @@ static squeeze_result squeeze_relocate_unformatted(znode *left,
 	result = put_unit_to_end(left, key, &copy_extent);
 
 	if (result == -E_NODE_FULL) {
-		int target_block_stage;
 		/*
 		 * free blocks which were just allocated
 		 */
-		target_block_stage =
-			(state ==
-			 ALLOCATED_EXTENT) ? BLOCK_FLUSH_RESERVED :
-			BLOCK_UNALLOCATED;
 		reiser4_dealloc_blocks(&first_allocated, &allocated,
-				       target_block_stage,
+				       (state == ALLOCATED_EXTENT)
+				       ? BLOCK_FLUSH_RESERVED
+				       : BLOCK_UNALLOCATED,
 				       BA_PERMANENT);
 		/*
 		 * rewind the preceder
@@ -408,8 +404,7 @@ static squeeze_result squeeze_relocate_unformatted(znode *left,
 		/*
 		 * free nodes which were relocated
 		 */
-		reiser4_dealloc_blocks(&start, &allocated,
-				       BLOCK_ALLOCATED, BA_DEFER);
+		reiser4_dealloc_blocks(&start, &allocated, 0, BA_DEFER);
 	}
 	/*
 	 * assign new block numbers to protected nodes
-- 
2.1.0