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https://github.com/kdave/btrfs-progs
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btrfs-progs: Cleanup for using BTRFS_SETGET_STACK instead of raw convert
Some codes still use the cpu_to_lexx instead of the BTRFS_SETGET_STACK_FUNCS declared in ctree.h. Also added some BTRFS_SETGET_STACK_FUNCS for btrfs_header and btrfs_super. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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@ -1802,7 +1802,7 @@ static int prepare_system_chunk_sb(struct btrfs_super_block *super)
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btrfs_set_stack_chunk_num_stripes(chunk, 1);
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btrfs_set_stack_chunk_sub_stripes(chunk, 0);
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chunk->stripe.devid = super->dev_item.devid;
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chunk->stripe.offset = cpu_to_le64(0);
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btrfs_set_stack_stripe_offset(&chunk->stripe, 0);
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memcpy(chunk->stripe.dev_uuid, super->dev_item.uuid, BTRFS_UUID_SIZE);
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btrfs_set_super_sys_array_size(super, sizeof(*key) + sizeof(*chunk));
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return 0;
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@ -141,10 +141,10 @@ static int search_iobuf(struct btrfs_root *root, void *iobuf,
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u64 h_byte, h_level, h_gen, h_owner;
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// printf("searching %Lu\n", offset + block_off);
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h_byte = le64_to_cpu(header->bytenr);
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h_owner = le64_to_cpu(header->owner);
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h_byte = btrfs_stack_header_bytenr(header);
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h_owner = btrfs_stack_header_owner(header);
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h_level = header->level;
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h_gen = le64_to_cpu(header->generation);
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h_gen = btrfs_stack_header_generation(header);
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if (h_owner != objectid)
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goto next;
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@ -1336,7 +1336,7 @@ static void update_super_old(u8 *buffer)
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btrfs_set_stack_chunk_num_stripes(chunk, 1);
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btrfs_set_stack_chunk_sub_stripes(chunk, 0);
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chunk->stripe.devid = super->dev_item.devid;
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chunk->stripe.offset = cpu_to_le64(0);
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btrfs_set_stack_stripe_offset(&chunk->stripe, 0);
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memcpy(chunk->stripe.dev_uuid, super->dev_item.uuid, BTRFS_UUID_SIZE);
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btrfs_set_super_sys_array_size(super, sizeof(*key) + sizeof(*chunk));
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csum_block(buffer, 4096);
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@ -186,7 +186,7 @@ static void dump_superblock(struct btrfs_super_block *sb)
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s = (char *) &sb->magic;
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for (i = 0; i < 8; i++)
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putchar(isprint(s[i]) ? s[i] : '.');
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if (sb->magic == cpu_to_le64(BTRFS_MAGIC))
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if (btrfs_super_magic(sb) == BTRFS_MAGIC)
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printf(" [match]\n");
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else
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printf(" [DON'T MATCH]\n");
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7
ctree.h
7
ctree.h
@ -1729,6 +1729,12 @@ BTRFS_SETGET_HEADER_FUNCS(header_owner, struct btrfs_header, owner, 64);
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BTRFS_SETGET_HEADER_FUNCS(header_nritems, struct btrfs_header, nritems, 32);
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BTRFS_SETGET_HEADER_FUNCS(header_flags, struct btrfs_header, flags, 64);
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BTRFS_SETGET_HEADER_FUNCS(header_level, struct btrfs_header, level, 8);
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BTRFS_SETGET_STACK_FUNCS(stack_header_bytenr, struct btrfs_header, bytenr, 64);
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BTRFS_SETGET_STACK_FUNCS(stack_header_nritems, struct btrfs_header, nritems,
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32);
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BTRFS_SETGET_STACK_FUNCS(stack_header_owner, struct btrfs_header, owner, 64);
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BTRFS_SETGET_STACK_FUNCS(stack_header_generation, struct btrfs_header,
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generation, 64);
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static inline int btrfs_header_flag(struct extent_buffer *eb, u64 flag)
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{
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@ -1937,6 +1943,7 @@ BTRFS_SETGET_STACK_FUNCS(super_cache_generation, struct btrfs_super_block,
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cache_generation, 64);
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BTRFS_SETGET_STACK_FUNCS(super_uuid_tree_generation, struct btrfs_super_block,
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uuid_tree_generation, 64);
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BTRFS_SETGET_STACK_FUNCS(super_magic, struct btrfs_super_block, magic, 64);
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static inline int btrfs_super_csum_size(struct btrfs_super_block *s)
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{
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@ -1137,7 +1137,7 @@ int btrfs_read_dev_super(int fd, struct btrfs_super_block *sb, u64 sb_bytenr)
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return -1;
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if (btrfs_super_bytenr(&buf) != sb_bytenr ||
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buf.magic != cpu_to_le64(BTRFS_MAGIC))
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btrfs_super_magic(&buf) != BTRFS_MAGIC)
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return -1;
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memcpy(sb, &buf, sizeof(*sb));
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@ -1153,9 +1153,9 @@ int btrfs_read_dev_super(int fd, struct btrfs_super_block *sb, u64 sb_bytenr)
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if (btrfs_super_bytenr(&buf) != bytenr )
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continue;
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/* if magic is NULL, the device was removed */
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if (buf.magic == 0 && i == 0)
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if (btrfs_super_magic(&buf) == 0 && i == 0)
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return -1;
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if (buf.magic != cpu_to_le64(BTRFS_MAGIC))
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if (btrfs_super_magic(&buf) != BTRFS_MAGIC)
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continue;
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if (!fsid_is_initialized) {
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4
utils.c
4
utils.c
@ -115,7 +115,7 @@ int make_btrfs(int fd, const char *device, const char *label,
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btrfs_set_super_bytenr(&super, blocks[0]);
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btrfs_set_super_num_devices(&super, 1);
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super.magic = cpu_to_le64(BTRFS_MAGIC);
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btrfs_set_super_magic(&super, BTRFS_MAGIC);
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btrfs_set_super_generation(&super, 1);
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btrfs_set_super_root(&super, blocks[1]);
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btrfs_set_super_chunk_root(&super, blocks[3]);
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@ -1139,7 +1139,7 @@ int btrfs_device_already_in_root(struct btrfs_root *root, int fd,
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ret = 0;
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disk_super = (struct btrfs_super_block *)buf;
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if (disk_super->magic != cpu_to_le64(BTRFS_MAGIC))
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if (btrfs_super_magic(disk_super) != BTRFS_MAGIC)
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goto brelse;
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if (!memcmp(disk_super->fsid, root->fs_info->super_copy->fsid,
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@ -239,7 +239,7 @@ int btrfs_scan_one_device(int fd, const char *path,
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ret = -EIO;
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goto error_brelse;
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}
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devid = le64_to_cpu(disk_super->dev_item.devid);
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devid = btrfs_stack_device_id(&disk_super->dev_item);
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if (btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_METADUMP)
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*total_devs = 1;
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else
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