Btrfs: cleanup unused arguments of btrfs_csum_data
Argument 'root' is no more used in btrfs_csum_data(). Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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Родитель
087488109a
Коммит
b0496686ba
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@ -106,7 +106,6 @@ static int check_compressed_csum(struct inode *inode,
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u64 disk_start)
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{
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int ret;
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struct btrfs_root *root = BTRFS_I(inode)->root;
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struct page *page;
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unsigned long i;
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char *kaddr;
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@ -121,7 +120,7 @@ static int check_compressed_csum(struct inode *inode,
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csum = ~(u32)0;
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kaddr = kmap_atomic(page);
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csum = btrfs_csum_data(root, kaddr, csum, PAGE_CACHE_SIZE);
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csum = btrfs_csum_data(kaddr, csum, PAGE_CACHE_SIZE);
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btrfs_csum_final(csum, (char *)&csum);
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kunmap_atomic(kaddr);
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@ -238,7 +238,7 @@ out:
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return em;
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}
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u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len)
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u32 btrfs_csum_data(char *data, u32 seed, size_t len)
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{
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return crc32c(seed, data, len);
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}
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@ -274,7 +274,7 @@ static int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf,
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if (err)
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return 1;
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cur_len = min(len, map_len - (offset - map_start));
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crc = btrfs_csum_data(root, kaddr + offset - map_start,
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crc = btrfs_csum_data(kaddr + offset - map_start,
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crc, cur_len);
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len -= cur_len;
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offset += cur_len;
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@ -2919,7 +2919,7 @@ static int write_dev_supers(struct btrfs_device *device,
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btrfs_set_super_bytenr(sb, bytenr);
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crc = ~(u32)0;
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crc = btrfs_csum_data(NULL, (char *)sb +
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crc = btrfs_csum_data((char *)sb +
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BTRFS_CSUM_SIZE, crc,
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BTRFS_SUPER_INFO_SIZE -
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BTRFS_CSUM_SIZE);
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@ -77,7 +77,7 @@ int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid,
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int atomic);
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int btrfs_set_buffer_uptodate(struct extent_buffer *buf);
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int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid);
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u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len);
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u32 btrfs_csum_data(char *data, u32 seed, size_t len);
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void btrfs_csum_final(u32 crc, char *result);
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int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio,
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int metadata);
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@ -484,8 +484,7 @@ int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode,
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data = kmap_atomic(bvec->bv_page);
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sector_sum->sum = ~(u32)0;
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sector_sum->sum = btrfs_csum_data(root,
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data + bvec->bv_offset,
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sector_sum->sum = btrfs_csum_data(data + bvec->bv_offset,
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sector_sum->sum,
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bvec->bv_len);
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kunmap_atomic(data);
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@ -431,7 +431,7 @@ static void io_ctl_set_crc(struct io_ctl *io_ctl, int index)
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if (index == 0)
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offset = sizeof(u32) * io_ctl->num_pages;
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crc = btrfs_csum_data(io_ctl->root, io_ctl->orig + offset, crc,
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crc = btrfs_csum_data(io_ctl->orig + offset, crc,
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PAGE_CACHE_SIZE - offset);
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btrfs_csum_final(crc, (char *)&crc);
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io_ctl_unmap_page(io_ctl);
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@ -461,7 +461,7 @@ static int io_ctl_check_crc(struct io_ctl *io_ctl, int index)
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kunmap(io_ctl->pages[0]);
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io_ctl_map_page(io_ctl, 0);
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crc = btrfs_csum_data(io_ctl->root, io_ctl->orig + offset, crc,
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crc = btrfs_csum_data(io_ctl->orig + offset, crc,
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PAGE_CACHE_SIZE - offset);
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btrfs_csum_final(crc, (char *)&crc);
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if (val != crc) {
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@ -2819,7 +2819,7 @@ static int btrfs_readpage_end_io_hook(struct page *page, u64 start, u64 end,
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if (ret)
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goto zeroit;
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csum = btrfs_csum_data(root, kaddr + offset, csum, end - start + 1);
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csum = btrfs_csum_data(kaddr + offset, csum, end - start + 1);
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btrfs_csum_final(csum, (char *)&csum);
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if (csum != private)
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goto zeroit;
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@ -6919,7 +6919,6 @@ static void btrfs_endio_direct_read(struct bio *bio, int err)
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struct bio_vec *bvec_end = bio->bi_io_vec + bio->bi_vcnt - 1;
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struct bio_vec *bvec = bio->bi_io_vec;
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struct inode *inode = dip->inode;
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struct btrfs_root *root = BTRFS_I(inode)->root;
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u64 start;
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start = dip->logical_offset;
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@ -6936,7 +6935,7 @@ static void btrfs_endio_direct_read(struct bio *bio, int err)
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goto failed;
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local_irq_save(flags);
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kaddr = kmap_atomic(page);
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csum = btrfs_csum_data(root, kaddr + bvec->bv_offset,
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csum = btrfs_csum_data(kaddr + bvec->bv_offset,
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csum, bvec->bv_len);
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btrfs_csum_final(csum, (char *)&csum);
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kunmap_atomic(kaddr);
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@ -1336,7 +1336,6 @@ static void scrub_recheck_block_checksum(struct btrfs_fs_info *fs_info,
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int page_num;
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u8 calculated_csum[BTRFS_CSUM_SIZE];
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u32 crc = ~(u32)0;
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struct btrfs_root *root = fs_info->extent_root;
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void *mapped_buffer;
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WARN_ON(!sblock->pagev[0]->page);
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@ -1365,12 +1364,11 @@ static void scrub_recheck_block_checksum(struct btrfs_fs_info *fs_info,
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for (page_num = 0;;) {
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if (page_num == 0 && is_metadata)
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crc = btrfs_csum_data(root,
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crc = btrfs_csum_data(
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((u8 *)mapped_buffer) + BTRFS_CSUM_SIZE,
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crc, PAGE_SIZE - BTRFS_CSUM_SIZE);
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else
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crc = btrfs_csum_data(root, mapped_buffer, crc,
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PAGE_SIZE);
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crc = btrfs_csum_data(mapped_buffer, crc, PAGE_SIZE);
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kunmap_atomic(mapped_buffer);
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page_num++;
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@ -1657,7 +1655,6 @@ static int scrub_checksum_data(struct scrub_block *sblock)
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void *buffer;
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u32 crc = ~(u32)0;
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int fail = 0;
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struct btrfs_root *root = sctx->dev_root;
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u64 len;
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int index;
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@ -1674,7 +1671,7 @@ static int scrub_checksum_data(struct scrub_block *sblock)
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for (;;) {
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u64 l = min_t(u64, len, PAGE_SIZE);
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crc = btrfs_csum_data(root, buffer, crc, l);
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crc = btrfs_csum_data(buffer, crc, l);
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kunmap_atomic(buffer);
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len -= l;
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if (len == 0)
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@ -1744,7 +1741,7 @@ static int scrub_checksum_tree_block(struct scrub_block *sblock)
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for (;;) {
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u64 l = min_t(u64, len, mapped_size);
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crc = btrfs_csum_data(root, p, crc, l);
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crc = btrfs_csum_data(p, crc, l);
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kunmap_atomic(mapped_buffer);
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len -= l;
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if (len == 0)
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@ -1805,7 +1802,7 @@ static int scrub_checksum_super(struct scrub_block *sblock)
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for (;;) {
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u64 l = min_t(u64, len, mapped_size);
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crc = btrfs_csum_data(root, p, crc, l);
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crc = btrfs_csum_data(p, crc, l);
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kunmap_atomic(mapped_buffer);
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len -= l;
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if (len == 0)
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