From: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
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@xxxxxxxxxxx>
Signed-off-by: Amit Sahrawat <a.sahrawat@xxxxxxxxxxx>
---
fs/f2fs/node.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index e24f747..d10085c 100644
--- 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 {
--
1.7.9.5
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