btrfs: export and use btrfs_read_tree_root for tree-log

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Tree-log uses btrfs_read_fs_root to load its log, but this just calls
btrfs_read_tree_root.  We don't save the log roots in our root cache, so
just export this helper and use it in the logging code.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Josef Bacik 2020-01-24 09:32:21 -05:00 • committed by David Sterba

parent e59d18b45d

commit 62a2c73ebd

3 changed files with 5 additions and 3 deletions

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4

fs/btrfs/disk-io.c

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2

fs/btrfs/disk-io.h

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2

fs/btrfs/tree-log.c

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