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authorJaegeuk Kim <jaegeuk.kim@samsung.com>2012-12-26 12:03:22 +0900
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2012-12-28 11:27:52 +0900
commitce19a5d4321911f98d42e4d724630ae48f413719 (patch)
tree4b97b609a1d544da234ac53cd369bd5b80fc60c8 /fs
parent64c576fe51bc6b19e99340d2d0e1bda89f66db25 (diff)
downloadop-kernel-dev-ce19a5d4321911f98d42e4d724630ae48f413719.zip
op-kernel-dev-ce19a5d4321911f98d42e4d724630ae48f413719.tar.gz
f2fs: clean up the start_bidx_of_node function
This patch also resolves the following warning reported by kbuild test robot. fs/f2fs/gc.c: In function 'start_bidx_of_node': fs/f2fs/gc.c:453:21: warning: 'bidx' may be used uninitialized in this function Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/f2fs/gc.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 644aa38..eda8230 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -430,28 +430,22 @@ next_step:
*/
block_t start_bidx_of_node(unsigned int node_ofs)
{
- block_t start_bidx;
- unsigned int bidx, indirect_blks;
- int dec;
+ unsigned int indirect_blks = 2 * NIDS_PER_BLOCK + 4;
+ unsigned int bidx;
- indirect_blks = 2 * NIDS_PER_BLOCK + 4;
+ if (node_ofs == 0)
+ return 0;
- start_bidx = 1;
- if (node_ofs == 0) {
- start_bidx = 0;
- } else if (node_ofs <= 2) {
+ if (node_ofs <= 2) {
bidx = node_ofs - 1;
} else if (node_ofs <= indirect_blks) {
- dec = (node_ofs - 4) / (NIDS_PER_BLOCK + 1);
+ int dec = (node_ofs - 4) / (NIDS_PER_BLOCK + 1);
bidx = node_ofs - 2 - dec;
} else {
- dec = (node_ofs - indirect_blks - 3) / (NIDS_PER_BLOCK + 1);
+ int dec = (node_ofs - indirect_blks - 3) / (NIDS_PER_BLOCK + 1);
bidx = node_ofs - 5 - dec;
}
-
- if (start_bidx)
- start_bidx = bidx * ADDRS_PER_BLOCK + ADDRS_PER_INODE;
- return start_bidx;
+ return bidx * ADDRS_PER_BLOCK + ADDRS_PER_INODE;
}
static int check_dnode(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
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