f2fs: avoid extra ++ while returning from get_node_path

In all the breaking conditions in get_node_path, 'n' is used to
track index in offset[] array, but while breaking out also, in all
paths n++ is done.
So, remove the ++ from breaking paths. Also, avoid
reset of 'level=0' in first case.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 6006e8e..a3cb1ff 100644 (file)
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -320,15 +320,14 @@ static int get_node_path(long block, int offset[4], unsigned int noffset[4])
        noffset[0] = 0;
 
        if (block < direct_index) {
-               offset[n++] = block;
-               level = 0;
+               offset[n] = block;
                goto got;
        }
        block -= direct_index;
        if (block < direct_blks) {
                offset[n++] = NODE_DIR1_BLOCK;
                noffset[n] = 1;
-               offset[n++] = block;
+               offset[n] = block;
                level = 1;
                goto got;
        }
@@ -336,7 +335,7 @@ static int get_node_path(long block, int offset[4], unsigned int noffset[4])
        if (block < direct_blks) {
                offset[n++] = NODE_DIR2_BLOCK;
                noffset[n] = 2;
-               offset[n++] = block;
+               offset[n] = block;
                level = 1;
                goto got;
        }
@@ -346,7 +345,7 @@ static int get_node_path(long block, int offset[4], unsigned int noffset[4])
                noffset[n] = 3;
                offset[n++] = block / direct_blks;
                noffset[n] = 4 + offset[n - 1];
-               offset[n++] = block % direct_blks;
+               offset[n] = block % direct_blks;
                level = 2;
                goto got;
        }
@@ -356,7 +355,7 @@ static int get_node_path(long block, int offset[4], unsigned int noffset[4])
                noffset[n] = 4 + dptrs_per_blk;
                offset[n++] = block / direct_blks;
                noffset[n] = 5 + dptrs_per_blk + offset[n - 1];
-               offset[n++] = block % direct_blks;
+               offset[n] = block % direct_blks;
                level = 2;
                goto got;
        }
@@ -371,7 +370,7 @@ static int get_node_path(long block, int offset[4], unsigned int noffset[4])
                noffset[n] = 7 + (dptrs_per_blk * 2) +
                              offset[n - 2] * (dptrs_per_blk + 1) +
                              offset[n - 1];
-               offset[n++] = block % direct_blks;
+               offset[n] = block % direct_blks;
                level = 3;
                goto got;
        } else {