On Thu, Jul 07, 2016 at 09:32:37PM -0400, Jeff Mahoney wrote: > On 6/24/16 6:14 PM, je...@suse.com wrote: > > From: Jeff Mahoney <je...@suse.com> > > > > This allows the upcoming patchset to push nodesize and sectorsize into > > fs_info. > > > > Signed-off-by: Jeff Mahoney <je...@suse.com> > > --- > > fs/btrfs/ctree.h | 1 + > > fs/btrfs/disk-io.c | 15 +++++++---- > > fs/btrfs/disk-io.h | 3 ++- > > fs/btrfs/tests/btrfs-tests.c | 20 ++++++++++++--- > > fs/btrfs/tests/btrfs-tests.h | 1 + > > fs/btrfs/tests/extent-buffer-tests.c | 23 +++++++++++------ > > fs/btrfs/tests/free-space-tests.c | 14 +++++++---- > > fs/btrfs/tests/free-space-tree-tests.c | 18 +++++++------ > > fs/btrfs/tests/inode-tests.c | 46 > > ++++++++++++++++++---------------- > > fs/btrfs/tests/qgroup-tests.c | 23 +++++++++-------- > > 10 files changed, 103 insertions(+), 61 deletions(-) > > > > diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h > > index 100d2ea..4781057 100644 > > --- a/fs/btrfs/ctree.h > > +++ b/fs/btrfs/ctree.h > > @@ -117,6 +117,7 @@ static inline unsigned long btrfs_chunk_item_size(int > > num_stripes) > > #define BTRFS_FS_STATE_REMOUNTING 1 > > #define BTRFS_FS_STATE_TRANS_ABORTED 2 > > #define BTRFS_FS_STATE_DEV_REPLACING 3 > > +#define BTRFS_FS_STATE_DUMMY_FS_INFO 4 > > > > #define BTRFS_BACKREF_REV_MAX 256 > > #define BTRFS_BACKREF_REV_SHIFT 56 > > diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c > > index 8f27127..418163d 100644 > > --- a/fs/btrfs/disk-io.c > > +++ b/fs/btrfs/disk-io.c > > @@ -1233,6 +1233,7 @@ static void __setup_root(u32 nodesize, u32 > > sectorsize, u32 stripesize, > > struct btrfs_root *root, struct btrfs_fs_info *fs_info, > > u64 objectid) > > { > > + bool dummy = test_bit(BTRFS_FS_STATE_DUMMY_FS_INFO, &fs_info->fs_state); > > root->node = NULL; > > root->commit_root = NULL; > > root->sectorsize = sectorsize; > > @@ -1287,14 +1288,14 @@ static void __setup_root(u32 nodesize, u32 > > sectorsize, u32 stripesize, > > root->log_transid = 0; > > root->log_transid_committed = -1; > > root->last_log_commit = 0; > > - if (fs_info) > > + if (dummy) > > This should be: > if (!dummy) > > > extent_io_tree_init(&root->dirty_log_pages, > > fs_info->btree_inode->i_mapping); > > > > memset(&root->root_key, 0, sizeof(root->root_key)); > > memset(&root->root_item, 0, sizeof(root->root_item)); > > memset(&root->defrag_progress, 0, sizeof(root->defrag_progress)); > > - if (fs_info) > > + if (dummy) > > So should this.
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