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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>
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parent
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commit
ce19a5d432
1 changed files with 8 additions and 14 deletions
22
fs/f2fs/gc.c
22
fs/f2fs/gc.c
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@ -430,28 +430,22 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
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*/
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block_t start_bidx_of_node(unsigned int node_ofs)
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{
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block_t start_bidx;
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unsigned int bidx, indirect_blks;
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int dec;
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unsigned int indirect_blks = 2 * NIDS_PER_BLOCK + 4;
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unsigned int bidx;
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indirect_blks = 2 * NIDS_PER_BLOCK + 4;
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if (node_ofs == 0)
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return 0;
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start_bidx = 1;
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if (node_ofs == 0) {
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start_bidx = 0;
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} else if (node_ofs <= 2) {
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if (node_ofs <= 2) {
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bidx = node_ofs - 1;
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} else if (node_ofs <= indirect_blks) {
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dec = (node_ofs - 4) / (NIDS_PER_BLOCK + 1);
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int dec = (node_ofs - 4) / (NIDS_PER_BLOCK + 1);
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bidx = node_ofs - 2 - dec;
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} else {
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dec = (node_ofs - indirect_blks - 3) / (NIDS_PER_BLOCK + 1);
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int dec = (node_ofs - indirect_blks - 3) / (NIDS_PER_BLOCK + 1);
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bidx = node_ofs - 5 - dec;
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}
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if (start_bidx)
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start_bidx = bidx * ADDRS_PER_BLOCK + ADDRS_PER_INODE;
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return start_bidx;
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return bidx * ADDRS_PER_BLOCK + ADDRS_PER_INODE;
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}
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static int check_dnode(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
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