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openSUSE:Leap:15.5:Update
btrfsprogs.17950
0003-btrfs-progs-Remove-fsid-metdata_uuid-field...
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File 0003-btrfs-progs-Remove-fsid-metdata_uuid-fields-from-fs_.patch of Package btrfsprogs.17950
From 0e8e98121455f53a129c9fe825d465c6a7749e9b Mon Sep 17 00:00:00 2001 From: Nikolay Borisov <nborisov@suse.com> Date: Thu, 11 Oct 2018 18:04:02 +0300 Subject: [PATCH 3/6] btrfs-progs: Remove fsid/metdata_uuid fields from fs_info Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> --- btrfstune.c | 5 +++-- check/main.c | 2 +- chunk-recover.c | 11 +++++------ ctree.c | 11 ++++++----- ctree.h | 2 -- disk-io.c | 18 +++++++++--------- free-space-tree.c | 5 +++-- volumes.c | 5 +++-- 8 files changed, 30 insertions(+), 29 deletions(-) diff --git a/btrfstune.c b/btrfstune.c index b6ce201155f7..500308b556fe 100644 --- a/btrfstune.c +++ b/btrfstune.c @@ -359,7 +359,8 @@ static int change_fsid_prepare(struct btrfs_fs_info *fs_info) return ret; /* Also need to change the metadatauuid of the fs info */ - memcpy(fs_info->metadata_uuid, fs_info->new_fsid, BTRFS_FSID_SIZE); + memcpy(fs_info->fs_devices->metadata_uuid, fs_info->new_fsid, + BTRFS_FSID_SIZE); /* also restore new chunk_tree_id into tree_root for restore */ write_extent_buffer(tree_root->node, fs_info->new_chunk_tree_uuid, @@ -416,7 +417,7 @@ static int change_uuid(struct btrfs_fs_info *fs_info, const char *new_fsid_str) fs_info->new_fsid = new_fsid; fs_info->new_chunk_tree_uuid = new_chunk_id; - memcpy(old_fsid, (const char*)fs_info->fsid, BTRFS_UUID_SIZE); + memcpy(old_fsid, (const char*)fs_info->fs_devices->fsid, BTRFS_UUID_SIZE); uuid_unparse(old_fsid, uuid_buf); printf("Current fsid: %s\n", uuid_buf); diff --git a/check/main.c b/check/main.c index 915be1b5afd2..dbb7da5b1dc2 100644 --- a/check/main.c +++ b/check/main.c @@ -8424,7 +8424,7 @@ static int btrfs_fsck_reinit_root(struct btrfs_trans_handle *trans, btrfs_set_header_backref_rev(c, BTRFS_MIXED_BACKREF_REV); btrfs_set_header_owner(c, root->root_key.objectid); - write_extent_buffer(c, root->fs_info->metadata_uuid, + write_extent_buffer(c, root->fs_info->fs_devices->metadata_uuid, btrfs_header_fsid(), BTRFS_FSID_SIZE); write_extent_buffer(c, root->fs_info->chunk_tree_uuid, diff --git a/chunk-recover.c b/chunk-recover.c index 31325bfc54e0..959c169f79a4 100644 --- a/chunk-recover.c +++ b/chunk-recover.c @@ -1155,7 +1155,7 @@ static int __rebuild_chunk_root(struct btrfs_trans_handle *trans, btrfs_set_header_level(cow, 0); btrfs_set_header_backref_rev(cow, BTRFS_MIXED_BACKREF_REV); btrfs_set_header_owner(cow, BTRFS_CHUNK_TREE_OBJECTID); - write_extent_buffer(cow, root->fs_info->metadata_uuid, + write_extent_buffer(cow, root->fs_info->fs_devices->metadata_uuid, btrfs_header_fsid(), BTRFS_FSID_SIZE); write_extent_buffer(cow, root->fs_info->chunk_tree_uuid, @@ -1457,7 +1457,7 @@ open_ctree_with_broken_chunk(struct recover_control *rc) goto out_devices; } - memcpy(fs_info->fsid, &disk_super->fsid, BTRFS_FSID_SIZE); + ASSERT(!memcmp(disk_super->fsid, rc->fs_devices->fsid, BTRFS_FSID_SIZE)); fs_info->sectorsize = btrfs_super_sectorsize(disk_super); fs_info->nodesize = btrfs_super_nodesize(disk_super); fs_info->stripesize = btrfs_super_stripesize(disk_super); @@ -1469,10 +1469,9 @@ open_ctree_with_broken_chunk(struct recover_control *rc) features = btrfs_super_incompat_flags(disk_super); if (features & BTRFS_FEATURE_INCOMPAT_METADATA_UUID) - memcpy(fs_info->metadata_uuid, disk_super->metadata_uuid, - BTRFS_FSID_SIZE); - else - memcpy(fs_info->metadata_uuid, fs_info->fsid, BTRFS_FSID_SIZE); + ASSERT(!memcmp(disk_super->metadata_uuid, + fs_info->fs_devices->metadata_uuid, + BTRFS_FSID_SIZE)); btrfs_setup_root(fs_info->chunk_root, fs_info, BTRFS_CHUNK_TREE_OBJECTID); diff --git a/ctree.c b/ctree.c index 548d6e2c1f62..e7bb26e65c55 100644 --- a/ctree.c +++ b/ctree.c @@ -23,6 +23,7 @@ #include "internal.h" #include "sizes.h" #include "messages.h" +#include "volumes.h" static int split_node(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, int level); @@ -134,7 +135,7 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans, else btrfs_set_header_owner(cow, new_root_objectid); - write_extent_buffer(cow, root->fs_info->metadata_uuid, + write_extent_buffer(cow, root->fs_info->fs_devices->metadata_uuid, btrfs_header_fsid(), BTRFS_FSID_SIZE); WARN_ON(btrfs_header_generation(buf) > trans->transid); @@ -308,7 +309,7 @@ int __btrfs_cow_block(struct btrfs_trans_handle *trans, else btrfs_set_header_owner(cow, root->root_key.objectid); - write_extent_buffer(cow, root->fs_info->metadata_uuid, + write_extent_buffer(cow, root->fs_info->fs_devices->metadata_uuid, btrfs_header_fsid(), BTRFS_FSID_SIZE); WARN_ON(!(buf->flags & EXTENT_BAD_TRANSID) && @@ -1548,7 +1549,7 @@ static int noinline insert_new_root(struct btrfs_trans_handle *trans, root_add_used(root, root->fs_info->nodesize); - write_extent_buffer(c, root->fs_info->metadata_uuid, + write_extent_buffer(c, root->fs_info->fs_devices->metadata_uuid, btrfs_header_fsid(), BTRFS_FSID_SIZE); write_extent_buffer(c, root->fs_info->chunk_tree_uuid, @@ -1669,7 +1670,7 @@ static int split_node(struct btrfs_trans_handle *trans, struct btrfs_root btrfs_set_header_generation(split, trans->transid); btrfs_set_header_backref_rev(split, BTRFS_MIXED_BACKREF_REV); btrfs_set_header_owner(split, root->root_key.objectid); - write_extent_buffer(split, root->fs_info->metadata_uuid, + write_extent_buffer(split, root->fs_info->fs_devices->metadata_uuid, btrfs_header_fsid(), BTRFS_FSID_SIZE); write_extent_buffer(split, root->fs_info->chunk_tree_uuid, btrfs_header_chunk_tree_uuid(split), @@ -2251,7 +2252,7 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans, btrfs_set_header_backref_rev(right, BTRFS_MIXED_BACKREF_REV); btrfs_set_header_owner(right, root->root_key.objectid); btrfs_set_header_level(right, 0); - write_extent_buffer(right, root->fs_info->metadata_uuid, + write_extent_buffer(right, root->fs_info->fs_devices->metadata_uuid, btrfs_header_fsid(), BTRFS_FSID_SIZE); write_extent_buffer(right, root->fs_info->chunk_tree_uuid, diff --git a/ctree.h b/ctree.h index be5ecf8fe7c1..dec0dab1dde5 100644 --- a/ctree.h +++ b/ctree.h @@ -1093,8 +1093,6 @@ struct btrfs_block_group_cache { struct btrfs_device; struct btrfs_fs_devices; struct btrfs_fs_info { - u8 fsid[BTRFS_FSID_SIZE]; - u8 metadata_uuid[BTRFS_FSID_SIZE]; u8 *new_fsid; u8 chunk_tree_uuid[BTRFS_UUID_SIZE]; u8 *new_chunk_tree_uuid; diff --git a/disk-io.c b/disk-io.c index 1e5fac89b127..8ead97d079ac 100644 --- a/disk-io.c +++ b/disk-io.c @@ -118,7 +118,7 @@ static void print_tree_block_error(struct btrfs_fs_info *fs_info, read_extent_buffer(eb, buf, btrfs_header_fsid(), BTRFS_UUID_SIZE); uuid_unparse(buf, found_uuid); - uuid_unparse(fs_info->metadata_uuid, fs_uuid); + uuid_unparse(fs_info->fs_devices->metadata_uuid, fs_uuid); fprintf(stderr, "fsid mismatch, want=%s, have=%s\n", fs_uuid, found_uuid); break; @@ -1184,13 +1184,12 @@ static struct btrfs_fs_info *__open_ctree_fd(int fp, const char *path, goto out_devices; } - memcpy(fs_info->fsid, &disk_super->fsid, BTRFS_FSID_SIZE); - if (btrfs_fs_incompat(fs_info, METADATA_UUID)) { - memcpy(fs_info->metadata_uuid, disk_super->metadata_uuid, - BTRFS_FSID_SIZE); - } else { - memcpy(fs_info->metadata_uuid, fs_info->fsid, BTRFS_FSID_SIZE); - } + ASSERT(!memcmp(disk_super->fsid, fs_devices->fsid, BTRFS_FSID_SIZE)); + ASSERT(!memcmp(disk_super->fsid, fs_devices->fsid, BTRFS_FSID_SIZE)); + if (btrfs_fs_incompat(fs_info, METADATA_UUID)) + ASSERT(!memcmp(disk_super->metadata_uuid, + fs_devices->metadata_uuid, BTRFS_FSID_SIZE)); + fs_info->sectorsize = btrfs_super_sectorsize(disk_super); fs_info->nodesize = btrfs_super_nodesize(disk_super); fs_info->stripesize = btrfs_super_stripesize(disk_super); @@ -1646,7 +1645,8 @@ int write_all_supers(struct btrfs_fs_info *fs_info) btrfs_set_stack_device_io_width(dev_item, dev->io_width); btrfs_set_stack_device_sector_size(dev_item, dev->sector_size); memcpy(dev_item->uuid, dev->uuid, BTRFS_UUID_SIZE); - memcpy(dev_item->fsid, fs_info->metadata_uuid, BTRFS_FSID_SIZE); + memcpy(dev_item->fsid, fs_info->fs_devices->metadata_uuid, + BTRFS_FSID_SIZE); flags = btrfs_super_flags(sb); btrfs_set_super_flags(sb, flags | BTRFS_HEADER_FLAG_WRITTEN); diff --git a/free-space-tree.c b/free-space-tree.c index 0a3305415657..2251b825890f 100644 --- a/free-space-tree.c +++ b/free-space-tree.c @@ -20,6 +20,7 @@ #include "disk-io.h" #include "free-space-cache.h" #include "free-space-tree.h" +#include "volumes.h" #include "transaction.h" #include "bitops.h" #include "internal.h" @@ -1453,8 +1454,8 @@ static struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, btrfs_set_header_backref_rev(leaf, BTRFS_MIXED_BACKREF_REV); btrfs_set_header_owner(leaf, objectid); root->node = leaf; - write_extent_buffer(leaf, fs_info->metadata_uuid, btrfs_header_fsid(), - BTRFS_FSID_SIZE); + write_extent_buffer(leaf, fs_info->fs_devices->metadata_uuid, + btrfs_header_fsid(), BTRFS_FSID_SIZE); write_extent_buffer(leaf, fs_info->chunk_tree_uuid, btrfs_header_chunk_tree_uuid(leaf), BTRFS_UUID_SIZE); diff --git a/volumes.c b/volumes.c index 6ef871637d7a..2c6aaf42c5fb 100644 --- a/volumes.c +++ b/volumes.c @@ -741,7 +741,8 @@ int btrfs_add_device(struct btrfs_trans_handle *trans, ptr = (unsigned long)btrfs_device_uuid(dev_item); write_extent_buffer(leaf, device->uuid, ptr, BTRFS_UUID_SIZE); ptr = (unsigned long)btrfs_device_fsid(dev_item); - write_extent_buffer(leaf, fs_info->metadata_uuid, ptr, BTRFS_UUID_SIZE); + write_extent_buffer(leaf, fs_info->fs_devices->metadata_uuid, ptr, + BTRFS_UUID_SIZE); btrfs_mark_buffer_dirty(leaf); ret = 0; @@ -2041,7 +2042,7 @@ static int read_one_dev(struct btrfs_fs_info *fs_info, (unsigned long)btrfs_device_fsid(dev_item), BTRFS_FSID_SIZE); - if (memcmp(fs_uuid, fs_info->fsid, BTRFS_UUID_SIZE)) { + if (memcmp(fs_uuid, fs_info->fs_devices->fsid, BTRFS_UUID_SIZE)) { ret = open_seed_devices(fs_info, fs_uuid); if (ret) return ret; -- 2.17.1
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