On Thu, Jul 07, 2016 at 09:32:37PM -0400, Jeff Mahoney wrote:
> On 6/24/16 6:14 PM, jeffm@xxxxxxxx wrote:
> > From: Jeff Mahoney <jeffm@xxxxxxxx>
> >
> > This allows the upcoming patchset to push nodesize and sectorsize into
> > fs_info.
> >
> > Signed-off-by: Jeff Mahoney <jeffm@xxxxxxxx>
> > ---
> > 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.
Updated in the patch.
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